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楼主: 小松山房

一只美国(幸福HEATHKIT AN-2016)前级

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发表于 2010-8-12 07:32 | 显示全部楼层
Heathkit AN-2016 “模数”四轨录音、放音的调频收音或前置放大器- 1975年

Not太多这些。 一巨型充分在与供应的四轨录音放音的前Amp/条频器单位向所有主要译码器(有希望地包括…您增加了他们作为您需要他们-即接通委员会)和未被听到销售作为成套工具。!!的时间的先进的数字显示。 明显地荒地意欲此是他们的科技目前进步水平旗舰单位。 您必须增加二块荒地立体声力量Amps (模型AA-1506)做这一个完全的4种渠道放大器,然而,如果他们不是包括的您可能可能增加所有2立体声力量amps或…管amps,如果冒险您的感觉…

Rumour有它这些是非常麻烦的,但是一次在运作优秀听起来方形字体的单位。 便宜(。在立体声AR-1515接收器我列出得上面的.now麻烦)容量罐的,在这个单位,并且他们将必须被替换。 然而这是一个方形字体盲信者的一个伟大的比分,与所有饰物的合理的裂口的,如果它不是太昂贵和在主要生产顺序。

On我的额[s:41] [s:41] [s:41] [s:41] [s:41] 外网链接部分在结尾的那里名单是链接对在这个单位的有些信息。

[ 本帖最后由 WWW9 于 2010-8-12 07:37 编辑 ]
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发表于 2010-8-12 07:35 | 显示全部楼层
[s:6] [s:6] [s:6]

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Kenwood Supreme 1 Stereo Integrated Amplifier - 1967

Trio/Kenwood's cost-no-object late 60's audiophile solid state integrated amp, the "Supreme 1" was one of the most expensive amps ever put into production up to that time. It was an amazing amp with awesome build quality and Kenwood used the cream of its audio design staff to build it. It was also a very expensive product with very limited distribution. It was really too expensive to be viable mass production item, so Kenwood used all the expertise it gained building the Supreme 1 to build it's next range of top line mass market amps which included the (1969) KA-6000 and it's successor the (1971) KA-7002. (...further down this list).

Kenwood followed up the Supreme 1 up with another (..much easier to find secondhand) elite upmarket audiophile product, The Model 600 Integrated Amp, in 1973.

The Supreme 1 is very rare but still turns up very occasionally and fairly cheaply on some of the less frantic web auction sites.


Heathkit AR-15 Stereo Receiver - 1968

Great early solid-state product which was considered one of the better sounding receivers in it's day. It was available as a kit or factory built. Some consider this unit better sounding than the excellent Sansui Amps from the mid-70's

Very inexpensive secondhand, but watch out for sloppy kit built examples which may not live up to the hype.

Sherwood S-7900A
Sherwood S-7900/S8900 - S7900A/S8900A Stereo Receivers - 1968/9 to 1974

Sherwood seems to have a perennially cut price aura about it, but back in the 60's and 70's it was a fairly major, albeit low-key, force in quality hi-fi.

These old Sherwood receivers have a stellar reputation, with excellent amps and tuners, and are as good as many better known name vintage brands from the same era and usually much much cheaper secondhand.

The Flagship (1969) S-8900 and (1972) S-8900A have FM only tuners and put out slightly more power than the AM/FM 7900 & 7900A.

The bigger, more powerful Mid-70's S-9910/8910/7910...etc range of receivers are also pretty decent and worth checking out as well.

Sherwood S-9900
Sherwood S-9500 / S-9900 Integrated Amplifiers - 1968

As an alternative to the Sherwood Receivers above, these amp's from the same era are just as good if not better. The sound that these late sixties unit's produce will really surprise you. If you don't need or want a tuner, check these out instead.

These can be much harder to find than Sherwood's receivers...especially the S-9900.


Sony STR-6120 / 6200F Stereo Receiver - 1968 / 1970

Sony's top of the line late 60's receiver is a warmly balanced period gem. Fairly hard to find...most common in the US and Europe. FM only tuner. Later model (1970) 6200F adds a extra Aux input and deletes the obsolete "tape head" input.

Also keep a lookout for the 6060FW from slightly earlier which is probably even better sounding than the 6120/6200 but even harder to find.


Pioneer SX-1500T Stereo Receiver - 1968

Excellent Top of the Line late sixties early solid state Pioneer which some people actually prefer to their valve equipment from the same era. A lot of this old 60's stuff looks a bit "Granddaddy" but you'll be amazed how good it sounds.

Pioneer SX-1500T Image -
http://img3.imagebanana.com/img/3i3w9x56/IM003738.JPG

Not on anyone's radar and can be dirt cheap secondhand...


Pioneer SA-900 Integrated Amplifier - 1969

A great amp which has gotten some amazing write-ups. This top of the line late 60's Pioneer includes what appears to be a early moving coil stage for vinyl in addition to the usual moving magnet. Often a bargain secondhand.

This whole range SA-500 / 700 / 900 is great but the bottom of the range SA-500 only puts out 10 watts per channel. Stick with the 700 or 900.


Sansui Model 2000A / Model 2000X / Model 4000 Stereo Receivers - 1969/70

Inexpensive amazingly good sounding late 60's tuner/amplifiers...a great warm sold state sound...If your looking at this list and scratching your head, considering getting something, and wondering where to start and if vintage stuff is worth the trouble......check out a Model 4000 (..which can often be had for under $100..) and decide for yourself...

Sansui 4000  -
http://www.classicsansui.n.../4000/4000a.jpg


Sansui Model 5500 Stereo Receiver - 1969

A top end, very obscure Sansui product from the late sixties (and a funky-er alternative to the Sansui 4000)...with the great warm sound all these early solid state Sansui's seem to share. HEAPS..!! of inputs, (...3 tape loops plus a noise reduction adapter connection (..or 4th tape loop) and a 4 Channel Adapter plus a AUX input as well, if you use the tape loops as line in's only, that gives you 5 AUX inputs in total. In addition, you can connect 4 pairs of speakers to this unit). Very flexible and useful. 45 Watts Per Channel RMS.

Don't confuse this unit with the Sansui QRX-5500 Quadraphonic Receiver which came along a few years later.

The Sansui AU-555 to AU-999 Integrated Amps from this era are also worth investigating as they sound excellent, but usually need a bit of repair work to bring them up to speed. I originally had them listed here, but the 5500 Receiver is a lot more flexible, more attractive and typically very inexpensive.


Kenwood KA-7002 Integrated Amplifier - 1971

Hard-Core Kenwood aficionados tend to go for the late 70's stuff and the elite mid-70's Model 600 but the KA-7002 (..which replaced the plainer looking KA-6000) is a really nice early 70's integrated with great solid build quality (...machined steel knobs) and a luxurious expensive feel to the controls and Kenwoods unique early 70's warm smooth sound ....Most people pass these over for some of Kenwoods better known later amps and the 7002 is fairly inexpensive to buy secondhand.

Kenwood KA-7002 Image (..with matching tuner) -
http://audioklassiks.de/Bi...kt.7000.06.jpg

The KA-7002 was replaced by the KA-8004 in 1973 and then by the KA-8006 in 1974.


Marantz Model 2230 / 2270 Stereo Receivers - 1971

One of the most highly regarded Marantz units is actually at the bottom end of the range (30wpc). A great deal of people have commented on how the simple low end, low power Marantz's seem to sound better than the flashy upmarket models. It has a nicely balanced version of Marantz's warm, full sound.

Marantz 2230 Image -
http://www.audiovintage.fr...0/imgp3164.jpg

These seem to have gotten a bit of a reputation and hype (..along with this whole range), and can be a priced a bit more than seems reasonable (..i.e anything over $200)....if your paying over $200 you might be better off with the 2250B or a 2265B listed further down this list which are a bit more powerful, or a try a Marantz 2215 (15wpc) or 2235B (35wpc) from this era which are also excellent but not hyped and often cheap. Or alternately even a Sansui 4000 which is just as good as the 2230 and regularly under $100.

The top of this early 70's range (...apart from the very top end models 18 & 19 with oscilloscopes, which were introduced in the late 60's), was the 2270. A legendary excellent sounding, 70 Watt per Channel RMS receiver with a few well documented issues, which can actually sell for less than the overhyped less flexible lower powered 2230 and is probably much better value.

Note: Give the Marantz stuff a miss if you intend to use these units anywhere near a computer with a CRT monitor...for some reason it "messes" them up and throws the tuner "off"...some of them are also very sensitive to external RFI (Radio Frequency Interference) as well.

....only seem to happen on these early to mid 1970's Marantz units.


Kenwood Model 600 Integrated Amplifier - 1973

After the late 60's "Supreme 1" Kenwood intended to follow up with another audiophile amp project but got into some sort of argument with the designers of the Supreme 1 of how to properly follow it up. It was never resolved completely and the Supreme 1 designers left Kenwood and started a new Audiophile company "Accuphase". Anyway...Kenwood assigned some new people to the project and continued alone to create their own follow up model which became "The Model 600". Released in Japan in late '73, it was eventually followed by a whole range of ultra-audiophile "elite" components which existed separate from Kenwoods regular mainstream range.

The model 600 is the ultimate Kenwood integrated from the 70's next to the 1978 KA-9100. It tends to be expensive S/H but keep a look out for one as occasionally they can be snapped up cheaply at garage sales and flea markets.

It was finally replaced by the almost identical KA-907 in 1979 which had a couple of cosmetic variations during it's short run. These are much much harder to find than the model 600 and have a few issues with rare parts which are now no longer available..


Pioneer SA-9100 Integrated Amplifier - 1973

This might be Pioneer's best sounding 70's integrated and definitely one of the best amps from the early 70's. Once again, with a typical early solid state warm, smooth sound. Just about all of Pioneer's early solid state stuff from 1968 to 1974 is worthwhile.

The later models from 1975 are still very nice, but sound different...less fuller, with a slightly brighter sound.

Pioneer SA-9100 Image (..shown with Pioneer Oscilloscope) -
http://audioklassiks.de/Bi...100_9100_01.gif


Pioneer SX-1010 Stereo Receiver - 1974

Pioneer's ultimate mid-70's receiver and the pinnacle of their warm "Valve" like sounding solid state range. One of the best receivers made in the 70's...especially of you like that warm smooth sound. Partner this with the Quadraphonic Pioneer QX-8000A listed in the Quad section, and you can set up a vintage driven 5.1 system.

More SX-1010 Info -
http://www.hifi-museum.com...eerSX1010.html

The next completely redesigned range sounded more modern with a sharper, brighter sound but lost some warmth.


Tandberg TR-2075 MK I & II /TR-2080 Stereo Receivers - 1974 to 1980's

These great looking European units were very expensive new and one of the few European brands successfully exported into overseas markets. They are typically fairly expensive secondhand although occasionally you can pick up a bargain.

They tend to be hard and expensive to repair if they break down as well. Only buy one of these if it's fully functional.   
They have a reputation for excellent sound quality with a quality AM/FM tuner included.


Marantz 2250B Stereo Receiver - 1973/4

My first choice for a mid-70's Marantz. Not the cheapest in the range, not the most expensive. These early/mid 70 Marantz's all seem to have an identical sound (...i.e warm and full)...Among all those, the 2250B has been singled out as one of the better sounding models in this mid-70's range.

Fairly inexpensive secondhand.


Sansui 8 Deluxe Stereo Receiver - 1974

Sansui's top of the line mid-70's stereo receiver. Most people tend to go for it's successor, the classic 9090 & 9090DB models, but some prefer the sound of the 8....maybe a bit less bass heavy than the 9090 and a touch more warmth.

The 8 deluxe is usually very inexpensive secondhand, typically a third of the price of a decent 9090DB.

Rotel RX-802
Rotel RX-602 / RX-802 Stereo Receivers - 1974

These are slimmer than typical components for this era that are more common in Europe and the UK. They have a nice expensive feel to the controls and their sound quality is similar-ish to mid-70's Marantz (warm and full) with maybe a bit more spacious soundstage. They were also available in black...most likely in Europe only.

They go particularly well with some UK speakers from the era....like Jim Rogers JR-149's / 150's.


Heathkit AR-1515 Stereo Receiver - 1975

The AR-1515 is a funkier/futuristic (..for 1975) update of the companies highly regarded AR-15 from the late 60's (via the previous updated AR-1500 model). The amp circuit is, I believe, virtually identical with a few choice changes. The digital display on the tuner was a unique (..and expensive) feature at this point in the mid-70's and was probably included to take some attention away from the upper end Japanese hi-fi product it was competing with for sales. Many American companies were fighting for survival against the Japanese onslaught and cut costs wherever they could to stay competitive. (..Ironically many were being built from Japanese components and regularly completely assembled in Japan as well...).  This unit show's a few signs of that cost cutting in the cheap, simple potentiometers used for the volume/selector/mode controls that cause problems over time and should be replaced in any unit you pick up now.

However, despite the cost cutting issues, this unit is still an excellent sounding (..and unique) product from the era and worth checking out if one turns up.

Pioneer SX-850
Pioneer SX-850 / 950 / 1050 / 1250 Stereo Recievers - 1976

The best of the later silver on silver ranges. These succeeded the SX-1010 backlit blue range of receivers and the sound moved away from the valve like warmth of the earlier models. These are also very good sounding and are absolutely massive units which take up a lot of room on your shelf. The SX-850 is mid-range but is still very big. The 1050/1250 tend to get expensive on auction sites (...although they have been trending downward recently) but the lower SX-850 is still an excellent unit.

Pioneer SX-1050 Images -
http://vintageelectronics....elsx-1050.html

The next receiver range SX-xx80 is worth checking out as well ...especially the classic mid-range and very inexpensive SX-780 and the top end SX-1280. The massive/powerful top of the line in this range SX-1980 has a reputation for not sounding as good as the models lower down the range. I've noticed many (..not all) that have compared, seem to gravitate back to the older SX-xx50 range.


Sansui 9090 / 9090DB Stereo Receiver - 1976

This unit replaced the Model 8 Deluxe and looks great in that 70's retro sort of way. This is flat out a lot of peoples favorite 70's Sansui receiver (..next to the G-9000). There have been a lot of superlatives thrown in this units direction, but the praise is not unanimous as some have commented that some 9090's can be a bit too bass heavy... Nevertheless, this is one of the most popular secondhand vintage hi-fi items from the 1970's.

The DB version adds the now useless Dolby circuit and adds a bit more power as well but loses the tape to tape dubbing facility and the occasionally useful FM high blend switch. The 9090 used to be fairly expensive but the secondhand value for many have recently dropped down to reasonable levels.

I've read of people using the second pre-out to connect to an outboard valve/tube power amp, giving you solid state & valve on the one handy unit....an option to consider..

The 8080 models just below this one sound identical, but lose a bit of power and a few non essential facilities.


Onkyo TX-8500 Stereo Receiver - 1976

This was Onkyo's serious mid-70's effort to be a major player in the audiophile receiver stakes. The result is one of the best sounding receivers made in the 70's. Unfortunately this was released just as the "Power Wars" era kicked in, and the 100 Watts RMS this unit produced didn't look too impressive against the 185 Watts RMS of the comparable Pioneer and Marantz models from the same year.

Onkyo addressed that by releasing the restyled and redesigned massive MKII version in 1978 with a early digital flouro display and 165 Watts Per Channel under the hood. However, by then, the other companies had gone nuts and their massive top end receiver models were producing close to 300 Watts RMS, topping out with the Technics SA-1000 at 330 Watts RMS...which is absolutely insane..!

The thing is, the original 1976 TX-8500...sounds better than all of them including the overcomplicated, and often unreliable MK II version.

Original Onkyo TX-8500's are pretty hard to find, but a worthwhile pickup and usually much cheaper, than some comparable quality models from this era.

Excellent Phono stages in these units for Vinyl fans.


Kenwood KR-9600 Stereo Receiver - 1976

Kenwood's top of the line mid-70's receiver, and a worthy and attractive competitor to the Pioneer SX-1010. Excellent tuner and amp although some prefer the KR-7600 model just below it. Prices can be fairly low because of some unobtainium parts which, if they fail, turn it into a massive doorstop. Don't buy one of these if the seller says one of the channels is not working..!!


Harman Kardon HK-730 Stereo Receiver - 1976

Harman Kardon's second from top of the line mid-70's receiver (..top was the Citation..).. has a lot of fans. Some put this unit in the top ten of the best mid-70's Receivers. Designed for sound quality over power output (40 Watts RMS).

The early 70's model 930 is also highly regarded by many, but I prefer the looks of this one.


WEGA 3141 Stereo Receiver - 1977

A ...Wild Card...European unit which might be an interesting pickup. Wega rebadged a few excellent high end Japanese items for the European market in the mid-70's in addition to their own stuff. This one is interesting, as the styling here is VERY similar/identical to "Tandberg" stuff from the 1980's and there may be some connection..??


Marantz 2252B / 2265B / 2285B Receivers - 1977

Late 70's Marantz with still the same warm sound but a little bit thinner and sharper. I do think that that some of the early 70's Marantz models give these a run for their money...and this range can sound very bright with some sources and speakers. The 2285B is considered the best Marantz Receiver from the late 70's along with the original 2330 (..non "B" version) from the previous (1975) range. Both are fairly expensive used so I'd suggest checking out the 2252B and the 2265B instead or the (1974) 2250B.

The 2252B has a slight excess of high frequencies compared to some other models in this range...if that's gonna bug you, pass it by.

Marantz 2265B Image -
http://www.siamac.de/aumatt/images/2265bc001.jpg

The top of this line were the massive, fully featured and very powerful 2500 & 2600 models (200 & 300 Wpc) with Oscilloscope metering...these are ridiculously expensive secondhand (occasionally $2000+) and are continually criticized for sounding inferior to the much much cheaper models in the range...give these a miss.

The 2385 (185 Wpc) is a better bet in the upper models in this range. Look for the ultra-rare early black dial version which was released as part of the earlier range, but continued here with just a dial design change.

Marantz 2385 (Silver Dial) Image -
http://www.audiocircle.com...=view;id=14418

European models are black as opposed to silver and nuke the Dolby FM provision for a extra AUX input....smart move.


ITT 8033 Stereo Receiver - 1978

A fully featured, very attractive, top-of-the-line European unit...which is one I have very little (..but mostly positive) info on, that looks like it might be a excellent (..and very inexpensive) pickup.

Most earlier European stuff was actually built in Europe but this one I believe was made in Japan.

Sansui G-9000
Sansui G-6000 / 7000 / 8000 / 9000 Receivers - 1978

The ultimate late 70's receivers for many - All of the 1st Gen G series of receivers have excellent sound, particularly the G-9000 & 8000.

G-9000's & 8000's are in pretty high demand and tend to be expensive, so go for the G-6000 or 7000. There was also slightly more powerful G-6500 & 7500 versions. In addition there was also the MASSIVE G-22000 & 33000 models (200 & 300 RMS Wpc respectively) ...real back breakers that you could actually split into two units...so that you could lift the damn things..!!! From what I've read, these are inferior soundwise to the lower models.

The G-601/701/801/901 are the European versions with a bronze finish as opposed to silver. These are REPUTEDLY better sounding than the regular American Range.

Sansui G Series Range 1978 Image (G-2000 to G-9000) -
http://www.sansui.us/images/Brochures/Goran/G2000_9000.jpg

The next range G-x700 with a flouro display and Led power indicators were built cheaper and didn't sound as good.


Pioneer Series 20 A-27 Integrated Amplifier - 1978

The "Series 20" line was Pioneer's late 70's foray into ultra-audiophile hi-fi. It was intended as their elite high end range....sort of like (..to use an analogy) what a LEXUS is to regular Toyota, and not unlike what Kenwood achieved with their early 70's upmarket range which included the Model 600 Integrated.

Pioneers equivalent to the Kenwood Model 600, was the Series 20 A-27 Integrated. It had 120 Watts Per Channel, excellent build quality and all the technical expertise and attention to detail lavished on it befitting a "elite" product that cost $1250.00 when a typical top of the line amp (..like the Kenwood Model 600) cost $550.00.

.....this is THE Pioneer Integrated to track down from the late 70's.

These are very rare secondhand. The hard-core Pioneer Fans look for these things on the auction sites, but you can occasionally see them in less frantic non-auction locations (...like Craigslist) for not too much money.

Akai AA-1175
Akai AA-1175 / AA-1200 Stereo Receiver - 1978

Similar looking to the Yamaha's from the same era but with a lot more fuller and punchy sound. Excellent amps and tuners in these, but ordinary phono stages. Absolute bargains secondhand.

The AA-1175 is 75 Watts per channel RMS and the AA-1200 is 100 Watts RMS.


Hitachi SR-2004 Stereo Receiver - 1978

Hitachi's contribution to the Late 70's "Power Wars" Monster receiver. Utilizing their "Class G" amplifier design which can put out MASSIVE power on musical peaks. The amp is rated 200 RMS Watts Per Channel....the power meters on the dial are scaled up to SIX HUNDRED WATTS.!

These units have a bit of a love hate thing going with a lot of people....some people love them, some don't. A great deal of big, powerful amps sacrifice a bit of sound quality for grunt. These aren't too bad and are occasionally rated by some above some of the Pioneers from this era. An audition is the best idea. However, if you pick one up cheap, you can't really go wrong, they are fully featured and if you wanna go effortlessly loud, these are definitely an option.

Hitachi SR-2004 Images -
http://vintageelectronics....delsr-2004.html

Sanyo Plus Series C55 PreAmp / T55 Tuner / P55 Power Amp
Sanyo "Plus Series" Components - 1978/1979

The Sanyo "Plus Series" was that company's attempt to create audiophile high end components as good as anything else at the upper end of the market at the time. And they succeeded brilliantly with the components, but not with the marketing. In the eyes of the public, Sanyo was a maker of decent but cheap and cheerful mass market stuff, and that image was firmly entrenched. There was no way the public was gonna pay big bucks for a "audiophile" Sanyo.

After very moderate sales, the range was phased out in the early eighties.

Several first class products here including the T-35 & T-55 Tuners and the C-55/P-55 Pre and Power amp's and several excellent receivers....keep a lookout for this stuff...


Akai AM-2950 Integrated Amplifier - 1978

Akai's Top integrated from '78 is actually preferred by a few people to the highly regarded, overhyped but nice (..and occasionally fairly expensive secondhand) classic Kenwood KA-9100 from the same year. The Akai sells for much less.

The Top of the line 100 Watt per Channel Akai AM-2800 from the previous (1976) range is also worth checking out.

Not on too many peoples radar and a good, cheap pickup secondhand.


Toshiba SA-7100 Stereo Receiver - 1978

Really nice, modern looking 100 Watt Per Channel late 70's Toshiba was second from the top of the line. A friend of mine just picked up one of these and loves it... Prices bounce around a bit but shouldn't be too pricey.

P.S.- The top model, the 150 Watt Per Channel SA-7150, had a LED digital display and signal strength meter, which no doubt looked very flash in '78 but looks a bit downmarket now.

Nikko NR-1415
Nikko NR-1015 / NR-1415 Stereo Receivers - 1978

A pair of great off-the-radar upper-end 70's receivers with excellent amp sections and nice period styling.

The Top Of The Line NR-1415 has wide/narrow IF bandwidth selection on the FM tuner and produced 175 Watts Per Channel.

Sansui AU-717
Sansui AU-717 / AU-919 Integrated Amplifiers - 1978

The AU-717 and the AU-919 were Sansui's best ever late 70's amps. These, and the early 70's AU-9500 are the one's most Sansui amp fans go after the most. The AU-9500 is a excellent amp but is not on this list as it's become overhyped and idiotically expensive (..occasionally over $1000 s/h..un-recapped) and poor value against the excellent AU-717 (regularly under $300) or even late 60's AU-555/777/999 models.

Note...I haven't mentioned the great looking mid-70's "Definition Series" Sansui Amp's either (..AU-9900/11000/20000) as they tend to be expensive but seem to be continually (..but not always) rated lower for sound quality than the earlier and later Sansui amps and have a few issues that require attention.

The AU-919 is probably the best of all these late 70's units with a different, sharper sound than the AU-717 (..and possibly one of the best solid state amp's of all time) but needs to have a bit of work done to continue to function reliably and keep several now irreplaceable (..unique) parts from getting nuked.

The lower model AU-517 in this late 70's range sounds similar to it's big brother 717 and is relatively inexpensive.

P.S. (If you can't find a AU-9500 for a reasonable amount and you've got 1000+ to spend and want a nice warm sound, avoid the overpriced AU-9500 and go for a nice vintage valve/tube amp...like a Fisher 400...instead).

Sony STR-V5
Sony STR-V5 / STR-V6 / STR-V7 Receivers - 1978

Excellent..BIG..receivers which compete quite happily with the best from all the major players from the era and might be superior in some area's to the better Late 70's Pioneer and Marantz stuff.


Yamaha CR-2020 Stereo Receiver - 1978

A Big, cool looking 100 Watt Per Channel receiver that might be a bit of a acquired taste. Yamaha call their range "NATURAL SOUND"...and that they are...these units sound very neutral. They don't seem to add any undue coloration to the sound. Very clean sounding but maybe a bit TOO clean for many. If you like your music to sound "pure" then these Yamaha's are for you. You really need to match your speakers very carefully to these otherwise they come off sounding bland or dull.

The CR-2020's have a unique sound that you probably can't get from any other component, other than similar Yamaha's from this era.

European models omit the dolby provision and button on the front panel.

The top of the line was the Massive 160 Watt Per Channel CR-3020.

Yamaha CR-2020 Image -
http://farm4.static.flickr.com/3448/3859299834_071173d0ab_o.jpg

Scott 380R
Scott Model 370R / 380R Stereo Receivers - 1978

Off-the-radar inexpensive secondhand late 70's Scott Receivers with reputedly the best Phono Stage in any 70's receiver. Excellent tuner and amp too. There was also a top of the line 390R which sacrificed the analog power meters for a led display which looked "Gee Whiz" cool in '78 but looks cheap and nasty now...


Kenwood KA-9100 Integrated Amplifier - 1978

The KA-9100 was Kenwood's top of the line amp in their regular late 70's range and it was also sold alongside the elite audiophile range 1973 Model 600 amp, which was still in production. Both units cost $550 in Feb of 1979. It's a tough choice but the 9100 and the 600 are both great amps although the KA-9100 has more of a late 70's sound, not as warm, more clinical and precise.

Once again prices vary quite a bit..they can be kind of expensive but not overly so.

Kenwood KR-9050
Kenwood KR-8050 / KR-9050 Stereo Receivers - 1979

The 120 Watt Per Channel KR-8050 and the 200 Watt Per Channel KR-9050 were the last of Kenwoods well built receivers with decent styling. The KR-9050 replaced the 1976 KR-9600. Soundwise they sound good but are closer to the 80's than they are to the 70's. A little bit clinical, with a clear sharp sound as opposed to a warm one.

The KR-7050 & 6050 are lower down the range but still with a decent amount of power output, and share the same look and sound and might be worth checking out as well.

Kenwood KR-8050 Images -
http://vintageelectronics....elkr-8050.html

Some of these do not like low impedence speakers, (..they shut down) if that's gonna be an issue with your favorite pair, then give these units a miss.


Realistic STA-2100 Stereo Receiver - 1979

A great sounding / great looking top of the line unit which is ignored by many thanks to it's house brand origin. However, these are very well designed units which can easily compete with the best of the name brand components from the era in all areas and may actually be superior to several of them. These units can have a very full bottom end, so you need to choose your speakers carefully, to take that into account.

A "patent" dispute with Pioneer ended up with Realistic having to redesign the unit without the toroidal transformer in the successor (...the STA-2100D) which added a Dolby decoder.

Realistic STA-2100D Images -
http://vintageelectronics....sta-2100d.html

You can read more about the specs of the unit in the 1979 Radio Shack Catalog Here -
http://www.radioshackcatalogs.com/catalogs/1979_small/


Technics SU-8099 Integrated Amplifier - 1979

The better Technics model's are from the late 70's. Although the SU-8600 from 1976/77 is highly regarded...I'd go for this one based on some positive write-up's I've read and it's got a bit more power. Nice flouro power output display as well.

Top of this line and pretty hard to track down.

Note: I believe this uses the same (..long unavailable) rare transistors as the Kenwood KA-907...don't buy if its not fully functional...i.e one intermittent or dead channel.

Japanese version image -
http://audio-heritage.jp/TECHNICS/amp/su-8099.JPG


Onkyo TX-7000 Stereo Receiver - 1980

The last of the quality series of top of the line receivers Onkyo released the the late 70's that started with the TX-8500. This replaced the troublesome MKII version of the TX-8500 and can be considered a more compact and reliable successor to that model.

Phillips 22 AH-708 & 22 AH-799
Phillips AH-787 (1978) and 22 AH-708/22 AH-799 (1980) Stereo Receivers

Late 70's / Early 80's Stereo Receivers which are way off the radar for most people simply because they are almost impossible to find. Especially the 22 AH-708 and the digital display model 22 AH-799 just above it which may have only been released in Europe.

The AH-787 was the top of Phillips regular Late 70's Range with a modest for-the-era 60 Watts Per Channel RMS. The other two are from the top of the early 80's range and I don't know much about them other than they were fairly expensive new and look worth checking out.

Phillips receivers, amp's & tuners from this era are real wild cards, with reputations for particularly excellent sound, but modest sales.....making them real hard to track down.


Realistic STA-2080 Stereo Receiver - 1982

It's a tossup between this unit and the STA-2100 for the title of Realistic's best ever receiver.

Excellent amp and tuner in this....


Kenwood KR-1000 (....Galaxy Commander) Stereo Receiver - 1982

A typically tacky early 80's styling job with lots of buttons, flouro displays and heaps of plastic. I really hate this look but this unit is here because I keep reading that this is one of the best ever stereo receivers. Several people with the cream of 70's receivers and amps reckon that this unit trumps them all....the jury is out, and I haven't heard it. Bearing that in mind, if you see one and it's cheap (..and they all seem to be) snap it up. It's got 120 Watts Per Channel RMS under that tacky skin so it might be useful for something.

Here's some nice close-up pictures of the KR-1000 from the "Monster Receiver" Link at the end of this List -
http://www.hifi-museum.com...woodKR1000.html
Receivers & Amplifiers - VALVE/TUBE - STEREO Equipment -
---

Fisher 400 Valve Receiver
Fisher 400 / 500 / 800 Valve Receivers - 1964

If you want to go down the vintage valve route as opposed to the solid state stuff, then these Fishers are probably the easiest units to track down, and the most consistently good sounding common valve/tube components. Fairly easy to find in the US and not too expensive. The 400, even though it was down the range, is probably the best sounding unit in the range. It has a Phono stage, and it can be rebuilt to sound very good, but you might be better off connecting a decent modern outboard Phono unit if you want to use vinyl.

Note: Most units this old will need to be checked by a qualified person and most likely rebuilt with new components (..mostly capacitors) to continued to function safely. Many (..not all) of these on the usual auction sites have already been re-built, and are still relatively inexpensive.

Fisher 400 Image -
http://homepage.mac.com/ur...Fisher_400.jpg

US units will be 110 Volt 60Hz only so they cannot be used in Europe (220V 50Hz) or Australia (240V 50Hz) without some sort of Voltage conversion transformer.


Scott 399 Valve/Tube Stereo Receiver - 1960

As an alternative to the Fishers above, you might want to try these Scott 18 Watt RMS Per Channel units. They have a (mono) AM/FM tuner with separate tuning dials and meters (..which are two very cool, old school glowing "Magic Eye" tubes). This is (..for looks) the closest thing you'll find to the 70's definition of a "Monster" Receiver here in the early 60's. On top of all that it's got a reputation for excellent sound...although, maybe not all that inexpensive to track down these days. I'm not sure if the 399 has a connection for the Scott Model 335 multiplex adapter to decode full FM Stereo.

The 399 was replaced by the excellent 340A in 1962 which lost the AM tuner but gave you onboard Stereo FM and a more powerful amp (27 Wpc), but also lost the glowing magic eye meters for a single standard needle type and looks much less funky...for lack of a better term.

Scott 399 Image -
http://audioklassiks.de/Bilder/Scott/scott_stereomaster_02.jpg

Scott 340A Image - http://hhscott.com/_images..._340A_Front.jpg

Scott 299C Valve/Tube Integrated
Scott Model 296 & Model 299 Series Valve/Tube Integrated Amps - Late 50's to 1966/7

If you don't need the tuner in the Scott 399, then go for these. The 296 is the earliest model and probably the best sounding, and dates from the late 50's. These continued with the 299A / B & C etc variations until about 1966/7 or so when Scott like most everyone else, went over to Solid State. The phono stages in the 299 series are considered some of the best ever....or at least according to some write-ups on Audiokarma I've read.

The secondhand prices for these vary wildly from $250US to over $1000US....(...I'd assume, rebuilt...)


Scott Model 222 Series Valve/Tube Integrated Amps - Early to Mid-60's

The Scott 296 / 299 models seem to get all the attention, but SOME hard-core tube fans in the know, reckon the 222 is a better sounding unit.

Usually cheaper than the 299 models...the 222 series (B/C/D) might be a better bet for the newbie on a budget.

Sherwood S-5500II Valve/Tube Integrated
Sherwood S-5500 Valve/Tube Integrated - Early to Mid-Sixties

These Valve/Tube Sherwood's tend to be overlooked for the Fisher and Scott stuff above but once properly serviced and the old capacitors are replaced, they might actually be the best of the lot. Typically these are cheaper than the other two brands secondhand.


Harman Kardon Stereo Festival TA-260 Valve/Tube Stereo Receiver - Late 50's

The early Harman tube receivers are not really on too many peoples radar as opposed to the expensive in-demand Citation Power amps. This is one Harman Kardon tube model that I remember was briefly singled out as being "special" in a post on one of the audio fan sites by a tube afficiado/repair person.....which is why I've added it here as another obscure "wild card" worthwhile hi-fi item to check out if it turns up cheaply.

Sherwood S-7700
Sherwood S-7700 (AM/FM) / S-8000 (FM Only) Stereo Valve Receiver - Early to Mid-Sixties

The Stereo receiver alternative to the S-5500 Integrated's also often very cheap...but they do need to be rebuilt with new capacitors to reach their potential. These units have been under the radar for quite some time, but more and more these days I'm reading about how excellent these early valve Sherwood's are once rebuilt.

The FM only S-8000 was top of the line. The AM/FM S-7700 was just under it. They went through several variations and slight circuit redesigns. i.e S-8000 /II/III/IV etc.

Early versions have a funky glowing valve style signal meter while later versions have a needle style meter.


Pye Mozart HFS 20 Valve/Tube Stereo Integrated - 1956

For aficionados of (..the harder to find and typically more expensive) UK stuff.....here's one from the UK. A nice compact but very low power stereo valve integrated (3 Watts...I've read) which has a lot of fans and is not too well known. In fact a lot of people are raving about these things and they are starting to get hyped and expensive. Chances are you still might be able to pick one up cheaply at a garage sale or flea market. They are not really lookers, and they look like something that might be buried forgotten in someones attic...maybe yours.

Note: Some of these are mono....make sure you get a stereo one Model HFS20...'cos finding two mono ones will be very hard work.

For people living outside of the US (..particularly in the UK, Europe & Australia) ...the UK stuff will be handier as most US valve/tube equipment does not have a dual voltage transformer, and will mostly be 110V 60Hz unless it was exported/sold into your territory originally as well...as some was...

Pilot 402 Receiver
Pilot 402/602 Valve/Tube Receivers - Late 50's/Early 60's

I've read some high praise for these 15 Watt Per Channel receivers, however just about any Pilot Valve/Tube component from this era is worth checking out. Again...your local repair shop will need to do some part replacement work to keep these units functioning safely, although in many cases (..unless you've found one in your attic), the work will have already been done. It seems the 402/602 do get a bit hotter in normal operation than is typical for most valve/tube components so keep these units well ventilated.

The Pilot 402 has a Mono only FM tuner and the 602 has a Stereo FM tuner....

Note: Many of the FM tuners in these early receivers are mono and require an external MPX decoder to pick up Stereo....if that matters to you, make sure the decoder is included, or the unit is actually "STEREO able" to begin with. Occasionally some vintage tuners & receivers will have a light on the fascia for Stereo but will be missing the (..optional) plug in decoder board in the circuit.

Just keep that in mind when you are checking these units out, or any early valve/tube receiver.

Pilot 654MA
Pilot 654 / 654MA Valve/Tube Receiver - Early 60's

Another highly regarded Pilot Tube Receiver...with reputedly one of the best tube phono sections ever. Although I'm not sure if that's a rebuilt version or not. These are some of the better looking valve/tube components from this era.

The 654 is AM/FM the 654MA is FM only.

Sansui SAX-300
Sansui SAX-300 / SAX-600 Valve/Tube Receivers - 1965/1966

The top of the line was the (..excellent) SAX-1000, and that's just about the only 60's Sansui Tube Receiver anyone shows any real interest in.

The triode SAX-300 and (it's improved successor) the SAX-600 were more mass market items, and fairly successful in their day but don't seem to inspire too many people today. They are both under the radar, mostly due to rarity, but I believe they might be worthwhile units. The power amp stages were used as the basis for Sansui's last 60's range of excellent (....and now lusted after and very rare) valve/tube products...the BA-202 & 303 Power Amplifiers. The down side is that SAX-300 and SAX-600 are scarce now (..and mostly likely many were tossed out) because they used some unique, rarely used tubes (6RA8 made by NEC Japan) which are now virtually impossible to get, and have been for some time....and there is no substitute tube....

Luxman used these 6RA8 tubes on some of their classic tube amps in the 60's as well.

If you find either of these units, make sure they are fully functional and these rare tubes have not failed. ....I understand it is possible to redesign the circuit for a slightly different tube (possibly a EL84 or EL86) but it requires some (..expensive??) circuit redesign work which might not be worth it for the casual enthusiast.

Note...I've patched together a lot of these details (...hopefully accurate and useful...) from various sources...there is VERY little info on these units available.


Sansui Model 500A Valve/Tube Receiver - 1967

Reputedly introduced in 1967...possibly earlier (...it might be confused with the Solid State SAX-500 which was released in '67). That would make it one of the last tube products released by Sansui in the 60's. It resembles the styling of the 1965 model SAX-300 visually and still uses some of those annoying unobtainium tubes. From what I've read, this unit is circuit-wise, fairly similar to the top of the line SAX-1000, but is much more common secondhand and less hyped and therefore fairly inexpensive to pick up.

Some have commented that once rebuilt, these don't sound vintage at all, they sound more like modern valve amps....a bit sharper and clearer.


Sansui AU-70 Valve/Tube Integrated Amplifier - 1964

Valve/Tube Sansui integrated amps are in fairly high demand and usually not too cheap. The more common and less expensive of the two classic Sansui valve/tube integrated's from the 60's is the AU-70. The other being the AU-111 which is usually very expensive secondhand.   

Sansui used solid state components for their phono stages and they usually aren't as good as the tube stages in the American equivalents although the amps are excellent.
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2009-3-12
发表于 2010-8-12 07:36 | 显示全部楼层
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Altec 707 Valve/Tube Receiver - Late 50's

Typically clunky looking late fifties AM/FM receiver which is considered by some, as one of the best ever valve/tube units from this era. Also has the nice glowing valve metering and separated tuning for AM and FM...

I don't know too much more about these other than their good reputation. If you find one, check to see if the FM tuner requires a outboard multiplex connection for STEREO FM decoding, or if its built in.


EICO HF-81 Valve/Tube Integrated - Late 50's

Another highly regarded late 50's valve unit which was a virtual giveaway a few years back but much more expensive now thanks to some occasionally over the top, hyped up write-up's pitching it as one of the best ever valve integrateds. It does have a few operational quirks that might put a few people off. (for example - The on/off knob is also the treble tone control..!!..which is kinda annoying). Nevertheless, an amp worth investigating, as are any other EICO valve/tube products from this era.

One of those "Hyped Up" reviews of this unit is included in my web links section at the end of this list.


Dynaco STA-35 Valve/Tube Integrated Amp - 1964

Without a doubt, one of the most common vintage tube units around. And a nice starter tube unit to boot. These were kit's and were sold in the thousands, so there's heaps of them still floating about. They are most common in the United States, less so outside. If your outside the U.S. and want to pick one of these up, keep a lookout for one with the PB028 transformer which was convertible from 120V 60Hz to 220/240 50 or 60Hz.

For anyone just starting out in tubes that prefers vintage stuff, a good restored example of one of these would be a great inexpensive way into tube audio.


Heathkit AA-32 Valve/Tube Integrated Amp - 1964

I've picked this Heathkit 'cos I've read some nice write-up's on it although it's only 8 Watts RMS Per Channel. A fairly standard unit that should be inexpensive to pick up. Heathkit made a few decent looking tube components in the 50's and into the mid-60's...and some quite attractively styled (...like the "Chevy Dash Range" AA-100 integrated).

Most aficionado's tend to gravitate to all the hyped up major brand tube stuff so there's no doubt a lot of great opportunities to pick up some obscure bargains among Heath's tube range.

FISHER Ambassador
Fisher / Scott / Pilot / McIntosh etc...Valve/Tube Console Units - 1950's to 1966-ish

A CONSOLE unit was simply Hi-Fi built into a cabinate and made to look like a piece of furniture. They were fairly popular from way back, until they faded out in the early 70's. The thing of greatest interest here to us poverty stricken wannabe tube audiophiles, is that some of the major hi-fi companies built consoles which included quality tube equipment, which was comparable, and sometimes identical, to their stand alone components of the day.

You'll often see expensive tube stuff on auction sites missing their wooden cases. The reason that is, is that these units have been salvaged from consoles...the console WAS their wooden case.

Some of these consoles were also phenomenally expensive back in the day. For example....in the U.S. in 1965 the average cost of a new car was $2650.00....but a top of the line FISHER President Console from the same year cost $145.00 MORE!....$2795.00.!!....serious money.

The Fisher Tube console models were gradually replaced by Transistor models from 1964, as were most other brands. They starting replacing models at the top of the range first, as transistors were considered state-of-the-art high end and were still very expensive.  The top line President console was tube in 1963 but hybrid transistor/tube from 1964 and fully transistor by 1967. Some other companies continued building (low end) tube consoles into the early 70's.

So......Keep a lookout, some of these tube consoles are often garage sale giveaways, and you can pickup a nice valve amp/receiver for a song. Your service guy will still need to put the work in to replace the old capacitors and check the old unit out and make it safe....but it's possibly one of the cheapest ways to pick up a quality vintage tube unit.

There's a link to a excellent audiokarma thread on FISHER consoles on the extra web links section at the end of this list.
- Q  U  A  D  R  A  P  H  O  N  I  C  Equipment -


- A Bit Of Info On The Quadraphonic Format -

QUADRAPHONIC was the granddaddy of current multi-channel surround. It used 4 channels instead of the 5.1 to 7.1 currently standard.

2 Front and 2 Back..no sub-woofer.

Early systems were announced in the late 60's but the the most common SQ / QS & CD4 formats started being introduced from 1971.

QUAD was killed by several factors...which included, the fact there were THREE different systems PLUS discrete 8 track cartridge systems and 4 channel reel to reel, which confused/baffled the public. Early decoders were crap, and demo's less than convincing. The only worthwhile QUAD systems/components were very expensive to buy and early systems would almost never include all the decoders...and sometimes no decoders, (...hello Marantz)...i.e. all EXTRA. This just added to the confusion. The best, most convincing early Quad stuff was expensive discrete 4 channel tapes played on equipment which was out of the reach of the average consumer.

At the record company end, the format creators would charge steep licensing fees for encoding to Quad, and some would additionally lease the encoding equipment to the studio...another expense which led to a very limited amount Quad encoded Lp's being available. The discs themselves, would cost much more than a standard Lp as well. To bring some of these cost down, some labels would use cheaper vinyl and that meant the some of the early Quad discs sounded very noisy. On top of all that, sometimes the labels wouldn't even bother to mix properly in Quad, and occasionally would just double the front Stereo mix into the rear channels..

......basically, everything that was possible to botch up the introduction of a potentially exciting new format was done....and then some....

By the mid-70's...the record labels and hi-fi companies tried to salvage the format by improving the quality of Lp's, introducing new (..much) better decoders. Some of that later equipment is excellent, and finally does what it was originally supposed to do, but it was too late....and the format faded out.

A lot of actual vintage Quadraphonic hi-fi amps and receivers are excellent. As good sounding as the better stereo equipment from the era and competitive to a great deal of modern equipment for sound quality. Some of the later decoders (...and two to four channel "pro-logic" style synthesizers), work extremely well. The mid to late 70's Sansui QS Synthesizer decoders, are rated by some as superior to "modern" stereo to multi-channel decoders for creating a convincing multi-channel soundfield from two channel sources.

If you don't use the onboard decoders you can still use these components as discrete 4 channel amps via their quad tape loops or Aux inputs.

There's a bit more detailed info on the individual popular..?? Quad formats in my Outboard Quad Decoders Section further below.
Receivers & Amplifiers - QUADRAPHONIC Equipment -
---

Sansui QRX-6001
Sansui QRX-9001 / 8001 / 7001 / 6001 /5001 Quadraphonic Receivers - Late 1974 to 1978/79

I've included several Quadraphonic brands here but ultimately, Sansui made the best of the old Quadraphonic Receivers, and if you want to reasonably decode your old Quad Lp's from one single, all-in-one unit, the later Sansui "QRX - x001" range of receivers are really your only choice. They had all of the decoders onboard (QS SQ & CD4) to decode all the major QUAD formats adequately...however, they were best at QS and had an excellent QS QUAD Synthesizer mode, which is the jewel in the crown all the QUAD fanatics rave about, for turning stereo only material into very convincing Quadraphonic.

This was Sansui's Last Penultimate Quadraphonic Range from approximately late 1974 to around about 1978/79. The big, heavy, great sounding, 9001 /8001's were the top of the line, but were complicated unreliable units, and are expensive S/H and a major (..very expensive) pain in the butt to bring to full working order. I suggest tracking down the simpler, more reliable and MUCH cheaper QRX-7001 or 6001 instead. The Baby of the range, QRX-5001 is very rare.

Sansui QRX-9001 Image -
http://www.audiovintage.fr...1/imgp1873.jpg

Most other Hi-Fi brands never quite got their Quad act together and the decoders on most of them are ordinary (..with a few exceptions) ...they still work well for sending a discrete 4 channel signal into from a suitably set up DVD/Blu-ray Player.

The earlier Sansui QRX units are EXCELLENT sounding Stereo or Discrete 4 Channel units and do a mostly Ok Quad decoding job but lack the superior as-it-was-meant-to-be QUAD decoding of the more sophisticated x001 model units.


Sansui QR & Early QRX Quadraphonic Receivers - 1971-ish to 1975

To cut to the chase....these are excellent sounding units. The first and second gen QRX models have much improved (..useable) QS Quad decoders (..and the great QS Synthesizer) over the earlier QR variants but average SQ and NO CD-4 in the 4500/5500/6500. Nevertheless they sound great used as straight stereo or fed a outboard discrete 4 channel signal. You might as well go for the top of the line QR-6500 / QRX-6500 (QS/SQ, no CD4) or the flashier looking later QRX-7500 & 7500A (All Decoders). The "A" versions of the QRX-7500/5500 have slightly better updated QS Quad Decoders. The lower models (early QR & QRX4500 & later QRX5500) sound very good too. Excellent AM/FM Tuners in all these units.

Sansui QRX-7500A Quad Receiver IMAGE -
http://www.classicaudio.com/forsale/san/QRX7500.jpg

The older model QR's tend to be much cheaper than the QRX's as they have very basic "token" Quad decoders but are solid great sounding units for straight stereo or discrete Quad sources. They also have pre in's and outs (..lacking in ALL the other later models) so you can use them as separate Quad Pre & Power Amps.....Note that the top model QR's here cost almost half the price of a entry level new car when first released..!!

Consumer note: I have a QRX-6500 and these things weigh a f**king ton..!!...watch your back..!!


Pioneer QX-8000A Quadraphonic Receiver - 1972/3

The second variation of the original Pioneer QX-8000 looks better than the original and sounds great. The Quad decoders in these are fairly ordinary, but for straight ahead Stereo listening or feeding a discrete 4 channel signal from a outboard source i.e. DVD, these things are excellent and superior sounding to Pioneer's later, more modern and flashy looking, but more unreliable Quad Top Line QX-949. The QX-8000A puts out approx 22 Watts RMS into 4 Channels and has a excellent AM/FM tuner too.

Usually very inexpensive secondhand.


Pioneer QA-800A Quadraphonic Integrated Amplifier - 1973

Essentially this is the Quad version of the great Stereo Pioneer SA-9100...I suspected that some compromises had to be made to get this into the same size case, but the ones I've heard (...which included the clunkier looking earlier version, the QA-800) sounded pretty good.

Don't expect too much from the SQ and RM decoders, but for discrete sources, a nice sounding unit.

Partner this with the Stereo Pioneer SA-9100 and you've got 6 channels (...i.e. 5.1..) and you can set up a vintage driven, DVD/Blue-Ray system.


Pioneer QX-9900 Quadraphonic Receiver - 1972

This was the top of the line and looks pretty cool. The Quad decoder's in most Pioneer units tend to be pretty ordinary...but I've read quite a few positive things about the SQ decoder in this unit. If you've got some SQ Quad Vinyl you want the check out, (i.e. Dark Side Of The Moon) this unit might be a worthwhile pickup.

Note: Akai made an almost identical looking unit to this one (The AS-980), and apparently just as good, but I prefer the looks of the Pioneer.

Akai AS-980 Image -
http://soundt.18.forumer.c...1177623426.jpg

The QX-9900 was replaced by the QX-949/747 models in 1974. I've left these off the list as they have lame decoders (..except maybe the CD4..) and seem to have as many operational issues as unrepaired Quad QRX-9001/8001 Sansui's without the great decoders in the Sansui's that make them worth repairing. However, the QX-949/747 models but do sound reasonably good when they are working (...repaired) as stereo or discrete quad units. There is also the very attractive (..and very nice sounding) QX-646 at the bottom of this range, but it's power output is a bit too low to be of much use to anyone without super efficient speakers.

Pioneer QX-949 Image -
http://www.classicaudio.com/value/pio/QX949.html


Harman Kardon 900+ Quadraphonic Receiver - 1973

Like a lot of other companies Harman Kardon went the Quadraphonic route with some of their models. The 900+ was at the top of their early 70's Quad range. These units were very expensive new, so there are not too many around. I've heard quite a few people comment on how good these units sound, and some of the Quad modes are apparently quite usable if not overly brilliant. I've also heard they are rather unpredictable operationally as well, time takes it's toll, so be wary.  Make sure you get one with the wooden case 'cos they look lame without it.

This unit was replaced by the 150+ Quad unit which looks virtually identical with a different tuning dial fascia and possibly improved Quad Decoders.

Marantz 4270
Marantz 4400 / 4300 / 4270 Quadraphonic Receivers - 1973

The 4400 included a Oscilliscope and was Marantz's Top of the Line Quad Receiver from '73 to approx 77/78. The 4300 was basically the same as the 4400 minus the Oscilliscope. They tend to be fairly expensive S/H so your best bet is the 4270 with a still useful 25 Watts RMS into 4 Channels or 70 into 2 (Switchable). Most of the Marantz Quad decoders are not too good (with a few exceptions*), and usually not included with the unit . Your best bet here is using a decent outboard Quad decoder unit (*like a Sansui QSD-1 for (QS) or a **Fosgate/Tate 101 / **Lafayette SQ-W, for (SQ) or a **JVC CD4-50 for (CD4)) or just feeding a discrete 4 channel signal from a DVD/Blue-ray or something similar. Or alternately you can just use it as a stereo unit.

Marantz 4270 Image -
http://www.siamac.de/aumatt/images/im005205.jpg

*(The Marantz SQ-2 & SQ-2B (SQ) Decoder Plug In Cartridges and outboard Marantz CD-400 (CD4) decoders are considered fairly decent, if you can't find the other mentioned outboard decoders).

**(these outboard decoders are rare and can be expensive secondhand).


Gladding (Claricon) Mark 200A Quadraphonic Receiver - 1973

One of a few failed new start-up attempts to compete with the established Japanese (...and American) companies in the Quad era. This is an obscure, but quality product. The (..very) few write-up's I've read on this unit's sound quality, compare it favorably with the best of the Pioneer Receivers from this era, so that makes it definitely one to check out. The early decoders on this are no doubt pretty ordinary, but once again, using the discrete inputs would be a better option. This had some plug in receptical at the back for optional decoders (CD4) which might not be worth the trouble, but check to see they are included anyway....

The $499.00 sticker price put this unit into competition at the upper end of the Quad market.

The lame name, and obscurity mean this is almost always a dirt cheap pickup.


Rotel RX-254 Quadraphonic Receiver - 1974

A low powered but reputedly excellent sounding unit from the mid-70's. These will probably be easier to track down in the UK and Europe. They typically included SQ & CD4 decoders (..they are listed by name on the top of the unit) although CD4 might have been a plug in thing..??

The sound quality of these units is said to be similar to Marantz from the same era with maybe a bit more spaciousness to the sound.


Pilot 366 Quadraphonic Receiver - 1974

The ultra-rare last gasp of a once great American Hi-Fi company. Another "wild card" interesting rarity that I haven't heard, but might be a worthwhile pickup.

A one time builder of first class tube equipment "Pilot" got sold at least couple of times in the 60's & 70's to companies more oriented to profits over passion...and quality suffered. This next to last range was possibly an attempt the reverse the companies fortune, but the components looked a bit old-school against the more modern looking Japanese stuff. I've read a couple of positive write-up on the sound quality of the Pilot models from this era from the very few that own them. Most criticism seems to be directed at prematurely failing, cheap parts which nuke many units before their time. This seem to be the Achilles heel of all mid-70's Pilot equipment.

I really don't have much info to go by, but rebuilt with some better quality components in a few critical places, they might actually be decent units...

The top-of-the-line 366 Quadraphonic receiver listed here is staggeringly rare, but is definitely something interesting to keep a lookout for, that possibly..?? might brush up quite nicely with a few repairs.

If your a collector of rare Quad equipment...this model is one of the hardest to track down.

Saba 8280
GTE Sylvania RQ-4748 & Saba 8280 Quadraphonic Receivers - 1974/75

Sylvania was/is a well known electrical technology company which (...among other things) designed and manufactured the electroluminescent display panels for the Apollo Lunar Lander and Command Module for the American Space program in the 1960's. Back in the mid-70's their commercial consumer division built a few Quad receivers which got some excellent reviews in Stereo Review. The RQ-4748 was the top of the line unit in the 2nd and last range of Quad Receivers they produced. These included a separate built in CD4 phono section and also SQ decoding but no QS. Power output was 50 Watts RMS into 4 or 125 Watts RMS into 2 Channels (Switchable) which put them up there with the top models of their era.

The Saba 8280 was the OEM-ed European version of the RQ-4748. The earlier (1973) GTE Sylvania RQ-3748 is identical except with a AUX switch/input, which dissappeared and was replaced by the onboard CD4 Phono input selection in the RQ-4748.


Telefunken Quadro 1000 Quadraphonic Receiver - 1974

More that likely you'll never come across one of these if you live outside Europe. An absolutely MASSIVE receiver but only 15 Watts into 4 channels or 30 Watts into 2. Analog pre-sets for the tuner.

SQ looks like it's included with possibly some sort of other matrix decoder (RM or some sort of 2 to 4 channel Synth)...CD4 via external decoder.


Wega 3135 Quadraphonic Receiver - 1974

Another interesting and VERY rare European Quad unit. I know very little about this one, and this is one I haven't heard and have no "in use info" as such...however it looks interesting and Wega regularly re-badged some excellent hi-end Japanese stuff in Europe (..the Sony V-fet amps and high end elcaset decks...to name two items) so the possibility exists that this top-of-the line Quad unit is a quality item. Nice 70's retro-futuristic styling as well as handy pre-sets for the tuner.

From the info I have - SQ included but CD4 & QS require outboard decoders. RCA connections on the back in addition to the usual European DIN only stuff.

Wega 3135 Quadraphonic Receiver IMAGE -
http://wega.pytalhost.com/1976/wega12.jpg

This off the radar unit should be inexpensive if one turns up...almost no-one knows they exist...however...good luck finding one.


Fisher 673 / Sears Fisher 9765 Quadraphonic Receivers - 1974/75

Fisher jumped headlong into Quad....and paid the price. This was their top of the line Quad Receiver with CD-4 and SQ but no QS. Early to mid-70's Fishers have a bad reputation. The company outsourced some construction to low rent Taiwan factories and quality slipped. Despite that, I continue to read of many people happy with the sound of their early 70's Fisher Stuff.

In the mid-70's Fisher only had 2 (..low-ish end) stereo models and nearly 10.!! Quad models which inevitably, did not sell well. I believe SANYO took the company over in the mid-70's and nuked the Quad range. Items were later built and OEM-ed by Sanyo Japan.

This Quad unit is here because I read a very short writeup on a comparison of 3 Quad Receivers someone had picked up, (The Harman Kardon HK900+ / Sylvania RQ-4748 and a "later" Fisher, model number not mentioned). The Sylvania and "later" Fisher were the one's he kept, the HK had a few operational issues.. and got the boot. Not a lot to go on, I admit, but this is a large, substantial unit and worth checking out if one turns up cheaply, however they are pretty rare.

As far as I can tell the 673 & the 9765 are the same model, with the exception of some slight fascia lettering change from FISHER to SEARS FISHER in the mid-70's.


Heathkit AN-2016 "Modulus" Quadraphonic Tuner/PreAmp - 1975

Not too many of these around. A massive full on Quadraphonic Pre Amp/ Tuner unit with provision for all the major decoders (Hopefully included...you added them as you needed them - i.e plug in boards) and an unheard of advanced digital display for the time which was sold as a Kit..!!. Obviously Heath intended this to be their state of the art flagship unit. You had to add the two Heath Stereo Power Amps (Model AA-1506) to make this a fully fledged 4 channel amplifier, however if they are not included you could add any 2 stereo power amps or...maybe tube amps, if your feeling adventurous...

Rumour has it that these are very troublesome, but excellent sounding Quad units once up and running. The cheap (..now troublesome) volume pot's that are in the stereo AR-1515 receiver I listed above, are in this unit too, and they will have to be replaced. However this would still be an great score for a Quad fanatic, in reasonable nick with all the trimmings, if it's not too expensive and in mostly working order.

On my extra webs links section at the end of the list there is a link to some more info on this unit.


Sony STR-8750 Quadraphonic Receiver - 1975

Another monster unit with heaps of knobs and buttons including inbuilt SQ Full Logic decoding (..it says on the front) and RM (cut down logic-less QS) but no CD4. Connections for 1 Quad Discrete AUX / 1 Quad Tape Loop / 1 Stereo AUX & 2 Stereo Tape Loops.

These are extremely rare and rarely turn up for sale, but are not very expensive when they do as most Quadraphonic Sony receivers (...if not the stand alone decoders..!!) tend to be ignored by collectors of Quad equipment.

If this unit sound as good a Sony's regular receiver line from this era, it be worth checking out.

30 Watts RMS X 4 or 80 Watts RMS X 2 - (Switchable)


AKAI AS-1080DB Quadraphonic Receiver - 1977

Probably the most modern looking and one of the very last Quadraphonic Receivers produced. SQ & CD4 decoders are included with a matrix mode which might be QS or a 2 to 4 channel synth. I've read that the CD4 Decoders on this are excellent so there's a good chance the SQ and QS?? might be reasonable also.

Some users rate these soundwise above the mid-70's Sansui's so they should be a good score if you can find one.

Akai AS-1080 DB Image -
http://audioklassiks.de/Bilder/Akai/akai_as-1080db_01a.j
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 楼主| 发表于 2010-8-13 22:51 | 显示全部楼层
[s:54] [s:21] 兄弟你好!谢谢来那么多的古董机的书料。
音联邦
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发表于 2010-8-14 02:17 | 显示全部楼层
我有它旁边的那部后级,声音没得说的,配英国前级推索尼A3书架箱,音乐密度、层次、动态是非常出色!
香港弦声音响
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发表于 2010-8-14 02:21 | 显示全部楼层
当时在材料网见过这前级在出售,但不知是一对,否则,唉!走宝了!
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发表于 2010-8-14 07:29 | 显示全部楼层
不错啊,就是按钮太多,干啥用的啊?
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 楼主| 发表于 2010-8-15 01:24 | 显示全部楼层

回复 20# guo2002 的帖子

你好,后级想出吗?我现在配的后级是(哈曼卡顿)音质也是很好。

[ 本帖最后由 小松山房 于 2010-8-15 01:30 编辑 ]
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发表于 2010-8-15 02:12 | 显示全部楼层
原帖由 小松山房 于 2010-8-9 23:23 发表
[s:54] 在家喝潮汕功夫茶和听(潮剧),潮剧就是潮汕的一种文艺,[s:20] !如用古董级的音响器材来放潮剧,那就更爽[s:138] 。听完潮剧上家电,看看人家的吵架帖,也是一种乐趣,张三李四,黑白青红,看看人生百态。 ...
[s:97] 边听潮剧边泡功夫茶[s:20]
QQ截图未命名.png
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 楼主| 发表于 2010-8-16 02:25 | 显示全部楼层

回复 24# Y8899 的帖子

有同好,[s:21] [s:97] [s:97]
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