Adcom 7705 Manual

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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.