Adcom GFA-7705 User Manual

GFA-7700/7707 Specifications
Power Rating (To EIA/CEA-490-A Requirements
2 °0 Watts con tin u ° us average power per channel into 8 ohms
with all channels driven at less than 1 % THD.
at any frequency between 20Hz and 20kHz
3 °0 Watts continuous average power per channel into 4 ohms at
with all channels driven at less than 1% THD.
any frequency between 20Hz and 20kHz
THD + Noise at 200 Watts into 8 ohms (Typical)
20Hz.
1kHz. .
10kHz. .
20kHz. .
THD + Noise at 300 Watts into 4 ohms (Typical)
20Hz. '
1kHz... .
10kHz. .
20kHz. .
Frequency Response @ 1 Watt into 8 ohms (20Hz to 20kHz)
Power Bandwidth (-3dB).
Dynamic Headroom into 4 ohms.
Signal to Noise Ratio “A” Weighted (200 Watts into 8 ohms).
Gain....
Input Sensitivity
for 1 Watt Output.
for 200 Watts Output.
.0.0086%
.0.0096%
.0.0156%
. 0 . 0201 %
.0.0186%
.0.0214%
.0.0354%
.0.0311%
....+0, -0.22dB
3 Hz to 130kHz
.1.90 dB
.-125 dB
.29 dB
.. 0.1 volts
1.40 volts
Input Impedance.
....
Damping Factor (20Hz to 20kHz).
General
>800
Power (Available in 230VAC on special order)
Power Consumption (Continuous, All Channels Driven)
Idle (5 Channel).
Idle (7 Channel)..
200 watts x 5 Ch into 8 ohms
200 watts x 7 Ch into 8 ohms
120VAC - 50/60HZ
.120W
.170W
.2200W
.2700W
Chassis Dimensions (H x W x D).
Maximum Dimensions (H x W x D).
Unit Weight (GFA-7705).
Unit Weight (GFA-7707)....
Weight, Packed (GFA-7705).
Weight, Packed (GFA-7707).’**"*
Specifications subject to change without notice.
•8.5” (216mm) x 17” (432mm) x 17.5” (444.5mm)
9 3/8” (238mm) x 17” (432mm) x 18.5” (470mm)
.69.5 lb. (31.5 kg)
.. lb. (35.5 kg)
.81.51b. (37 kg)
.90.4 lb. (41 kg)
15

Adcom GFA-7705 Specifications

Power

power rating into 8 ohms	200 Watts continuous average power per channel
power rating into 4 ohms	300 Watts continuous average power per channel
power consumption idle 7 channel	120W

Audio Performance

frequency response at 1 watt into 8 ohms	+0, -0.22dB
power bandwidth	3 Hz to 130kHz
dynamic headroom into 4 ohms	1.90 dB

Electrical Specifications

input sensitivity for 1 watt output	0.1 volts
input sensitivity for 200 watts output	1.40 volts
damping factor (20Hz to 20kHz)	800

Dimensions and Weight

chassis dimensions	8.5” (216mm) x 17” (432mm) x 17.5” (444.5mm)
maximum dimensions	9 3/8” (238mm) x 17” (432mm) x 18.5” (470mm)
unit weight GFA-7707	35.5 kg