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交易诚信度68
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发表于 2010-3-23 15:13
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美国harman/kardon(哈曼卡顿)功放是目前在欧美市场上家庭影院系统中被普遍采用的当红品牌。而AVR 645拥有两个HDMI 1.1接口, 并能通过HDMI接口将Dolby Digital、 DTS以及PCM音频信号传送到机内并进行解码。AVR 645额外增加USB端口、iPod连接件和Ez/EQ系统以及由Lexicon所开发的Logic7处理技术,而且后级放大部分采用高电流设计,有很强的音箱驱动能力,对于强调宏大刺激的电影场面的表现能力十分出色。
AVR-645: Audio
Stereo Mode
Continuous Average Power (FTC) per Channel : 90 Watts per channel, 20Hz – 20kHz, @ <0.07% THD, both channels driven into 8 ohms
Seven-Channel Surround Modes, Power per Individual Channel,
All Channels Operating at Full Power :
Front L & R Channels : 75 Watts per channel @ <0.07% THD, 20Hz – 20kHz into 8 ohms
Center Channel : 75 Watts @ <0.07% THD, 20Hz – 20kHz into 8 ohms
Surround Channels (L & R Side, L & R Back) : 75 Watts per channel @ <0.07% THD, 20Hz – 20kHz into 8 ohms
Input Sensitivity/Impedance, Linear (High-Level) : 200mV/47k Ohms
Signal-to-Noise Ratio (IHF-A) : 100dB
Surround System Adjacent Channel Separation :
Dolby® Pro Logic® I and II : 40dB
Dolby® Digital : 55dB
DTS® : 55dB
Frequency Response at 1W (+0dB, –3dB) : 10Hz – 130kHz
High Instantaneous Current Capability (HCC) : ±50 Amps
Transient Intermodulation Distortion (TIM) : Unmeasurable
Slew Rate : 40V/µsec
FM Tuner
Frequency Range : 87.5 – 108.0MHz
Usable Sensitivity : IHF 1.3µV/13.2dBf
Signal-to-Noise Ratio : Mono/Stereo 70dB/68dB
Distortion : Mono/Stereo 0.2%/0.3%
Stereo Separation : 40dB @ 1kHz
Selectivity : ±400kHz, 70dB
Image Rejection : 80dB
IF Rejection : 90dB
AM Tuner
Frequency Range : 520–1720kHz
Signal-to-Noise Ratio : 45dB
Usable Sensitivity : Loop 500µV
Distortion : 1kHz, 50% Mod 0.8%
Selectivity : ±10kHz, 30dB
Video
Television Format : PAL, NTSC
Input Level/Impedance : 1Vp-p/75 Ohms
Output Level/Impedance : 1Vp-p/75 Ohms
Video Frequency Response :
Composite and S-Video : 10Hz – 8MHz (–3dB)
Component Video : 10Hz – 100MHz (–3dB)
HDMI™ : Version 1.1 with audio processing
General
Power Requirement : AC 220-240V/50Hz
Power Consumption : 120W at Power On, idle; 1272W at rated power output (7 channels driven)
Unit Dimensions :
Width : 440mm
Height : 165mm
Depth : 435mm
Carton Dimensions : 510mm x 254mm x 565mm
Unit Weight : 18.6kg
Shipping Weight (System, Accessories, Packing) : 21.4kg |
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