Adcom GFA 7705 - Manual (Page 15)

GFA-7700/7707 Specifi 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)
Specifi cations subject to change without notice.
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