Specifications - Adcom GFA-7700 Owner's Manual

Adcom gfa-7700 high current 5-channel power amplifier owner's manual
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GFA-7700 Specifications
THD + Noise into 8 ohms (Typical)
20Hz
...............................................................................................................
1kHz
...............................................................................................................
10kHz
...............................................................................................................
20kHz
...............................................................................................................
Frequency Response @ 1 Watt into 8 ohms (10Hz to 20kHz)
Power Bandwidth (-3dB)
Power Rating (EIA/CEA-490-A)
185 Watts continuous power into 8 ohms at 1kHz at less than 1.0% THD + N
IM Distortion (SMPTE)
1 watt into 8 ohms
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
8 ohms
..........................................................................................................
Dynamic Headroom
..................................................................................................
Signal to Noise Ratio, "A" Weighted
Gain
.........................................................................................................................
Input Sensitivity
for 1 Watt
.....................................................................................................
for 150 Watts
...............................................................................................
Input Impedance
.......................................................................................................
Damping Factor (20Hz to 20kHz)
Rise Time (5kHz, 90V, peak-to-peak square wave, 20% to 80%)
Power Consumption (Continuous, All Channels Driven)
Quiescent
...........................................................................................................
Maximum
........................................................................................................
150 watts into 8 ohms
Power (Available in 230VAC on special order)
Chassis Dimensions
.........................................
Maximum Dimensions
................................
Weight
.......................................................................................................
Weight, Packed
...........................................................................................
..............................................................................
..........................................................................................
........................................................................
................................................................................
.......................................................................................
..............................................
6 7 /8" (174.625mm) x 17" (432mm) x 14" (355.6mm)
..................................
......................................
7
/
" (184.15mm) x 17" (432mm) x 15" (381mm)
1
4
15
0.006%
0.006%
0.02%
0.04%
+0, -0.25dB
1.5Hz to 100kHz
≤ 0.05%
≤ 0.01%
1.9 dB
≥ 115dB
29dB
0.1 volts
1.14 volts
50kΩ
≥ 800
2.7μS
80VA
1440VA
1375VA
115VAC - 50/60Hz
56 lb. (25.4 kg)
64 lb. (29.1 kg)

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