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GFA-7700/7707 Speci cations
Power Rating (To EIA/CEA-490-A Requirements
200 Watts continuous average power per channel into 8 ohms at any frequency between 20Hz and 20kHz
with all channels driven at less than 1% THD.
300 Watts
continuous average power per channel into 4 ohms at any frequency between 20Hz and 20kHz
with all channels driven at less than 1% THD.
THD + Noise at 200 Watts into 8 ohms (Typical)
20Hz
...............................................................................................................
0.0086%
1kHz
...............................................................................................................
0.0096%
10kHz
..............................................................................................................
0.0156%
20kHz
..............................................................................................................
0.0201%
THD + Noise at 300 Watts into 4 ohms (Typical)
20Hz
...............................................................................................................
0.0186%
1kHz
...............................................................................................................
0.0214%
10kHz
..............................................................................................................
0.0354%
20kHz
..............................................................................................................
0.0311%
Frequency Response @ 1 Watt into 8 ohms (20Hz to 20kHz)
....................................
+0, -0.22dB
Power Bandwidth (-3dB)
..................................................................................
3 Hz to 130kHz
Dynamic Headroom into 4 ohms
.................................................................................
1.90 dB
Signal to Noise Ratio “A” Weighted (200 Watts into 8 ohms)
........................................
.-125 dB
Gain
..........................................................................................................................
29 dB
Input Sensitivity
for 1 Watt Output
............................................................................................
0.1 volts
for 200 Watts Output
......................................................................................
1.40 volts
Input Impedance
........................................................................................................
50kΩ
Damping Factor (20Hz to 20kHz)
................................................................................
≥ 800
General
Power (Available in 230VAC on special order)
..............................................
120VAC - 50/60Hz
Power Consumption (Continuous, All Channels Driven)
Idle (5 Channel)
..................................................................................................
120W
Idle (7 Channel)
..................................................................................................
170W
200 watts x 5 Ch into 8 ohms
................................................................................
2200W
200 watts x 7 Ch into 8 ohms........................................................................2700W
Chassis Dimensions (H x W x D)
........................
8.5” (216mm) x 17” (432mm) x 17.5” (444.5mm)
Maximum Dimensions (H x W x D)
................
9 3/8” (238mm) x 17” (432mm) x 18.5” (470mm)
Unit Weight
(GFA-7705)
...............................................................................
69.5 lb. (31.5 kg)
Unit Weight
(GFA-7707)
...............................................................................
78.2 lb. (35.5 kg)
Weight, Packed
(GFA-7705)
............................................................................
81.5 lb. (37 kg)
Weight, Packed
(GFA-7707)
............................................................................
90.4 lb. (41 kg)
Speci cations subject to change without notice.
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