出美国爱琴adcom GFA-7400 Amplifier 5声道后级

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一手自用，原包装箱和说明书齐全，无修无摩，9成新。

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附后级资料：
adcom GFA-7400 Amplifier 5声道后级功率放大器
功率：5*100W(8欧) / 150W*5 (4欧) 连续输出功率
频响：10Hz~20kHz.....+0, -0.25dB
信噪比：110dB
失真：0.075%
尺寸：5''W x 17''H x 14''D
重量：42 lbs. (带包装重量：48 lbs.)
电压：230V


ADCOM GFA-7400 Power Amplifier  -  Technical Specifications  
Power Rating (To FTC Requirements)  
All Channels  (each channel with all five being driven)  
?00 watts per channel continuous average power into 8 ohms at any frequency between 20Hz and 20kHz with all channels driven at less than 0.075% THD.  
?50 watts per channel continuous average power into 4 ohms at any frequency between 20Hz and 20kHz with all channels driven at less than 0.075% THD.  IM Distortion (SMPTE)  
All Channels  
1 watt to 100 watts into 8 ohms.....<0.075%   
1 watt to 150 watts into 4 ohms.....<0.075%  
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)  
All Channels  
100 watts into 8 ohms.....<0.025%  
150 watts into 4 ohms.....<0.025%  
  
60 watts into 8 ohms.....<0.009%  
100 watts into 4 ohms.....<0.009%  
Frequency Response at 1 Watt, all channels into 8 ohms  
10Hz to 20kHz.....+0,-0.25dB  
Power Bandwidth (-3dB).....3Hz to 100kHz  
Dynamic Headroom into 4 Ohms (3 Front Channels) .....2.8dB   
Dynamic Headroom into 4 Ohms (2 Rear Channels) ......1.8dB
Signal to Noise Ratio, "A" Weighted  
100 watts into 8 ohms.....>110dB  Gain (Level Controls at Maximum).....29dB   
Damping Factor  
20Hz to 20kHz ( All Channels ).....>400  
Rise Time  
5kHz, 80V peak-to-peak square wave, 20% to 80% .....4.5uS  

Power Consumption - Continuous, All Channels Driven  
Quiescent.....96VA  
Maximum.....l440VA  
100watts  into 8 ohms.....1165VA  
150 watts  into 4 ohms.....1380VA  

General Power (available in 230V on special order)  
  115VAC/50-60Hz   Chassis Dimensions  
  5"(127mm) x 17"(432mm) x 14"(355.6mm)   
Maximum Dimensions   
  5.75"(146mm) x 17"(432mm) x 15"(381mm)   
Weight.....42 lbs.  
Weight, packed.....48 lbs.

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