Specifications - Adcom GFA-5400 Service Manual

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GFA-5400 SPECIFICATIONS
Power Rating (To FTC Requirements)
125 watts continuous average power per channel into 8 ohms at any frequency between 20Hz to 20kHz with
all channels driven at less than 0.18% THD
200 watts continuous average power per channel into 4 ohms at any frequency between 20Hz to 20kHz with
all channels driven at less than 0.18% THD
IM Distortion (SMPTE)
1 watt to 125 watts into 8 ohms ............................................................................................................................. ≤ 0.05%
1 watt to 200 watts into 4 ohms ............................................................................................................................. ≤ 0.05%
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
125 watts into 8 ohms .......................................................................................................................................... ≤ 0.035%
200 watts into 4 ohms .......................................................................................................................................... ≤ 0.035%
THD + Noise at 130 watts into 8 ohms (Typical)
20Hz ....................................................................................................................................................................... 0.018%
1kHz ......................................................................................................................................................................... 0.02%
10kHz ....................................................................................................................................................................... 0.07%
20kHz ....................................................................................................................................................................... 0.14%
THD + Noise at 200 watts into 4 ohms (Typical)
20Hz ....................................................................................................................................................................... 0.018%
1kHz ......................................................................................................................................................................... 0.02%
10kHz ....................................................................................................................................................................... 0.08%
20kHz ..................................................................................................................................................................... 0.165%
Frequency Response @ 1 Watt into 8 ohms (10Hz to 20kHz) ................................................................................ +0, -0.25dB
Power Bandwidth (-3dB)....................................................................................................................................... 3Hz to 130kHz
Dynamic Headroom into 4 ohms ...................................................................................................................................... 1.7 dB
Signal to Noise Ratio, "A" Weighted (125 watts into 8 ohms)...................................................................................... ≥ 100dB
Gain...... ................................................................................................................................................................................. 29dB
Input Sensitivity
for 1 Watt .............................................................................................................................................................. 0.1 volts
for 125 Watts ..................................................................................................................................................... 1.125 volts
Input Impedance................................................................................................................................................................ 49.9KΩ
Damping Factor (20Hz to 20kHz) ........................................................................................................................................ ≥ 500
Rise Time (5kHz, 90V, peak-to-peak square wave, 20% to 80%) .................................................................................... . 1.9µS
Power Consumption (Continuous, All Channels Driven)
Quiescent ................................................................................................................................................................ 150VA
Maximum ................................................................................................................................................................. 960VA
125 watts into 8 ohms .............................................................................................................................................. 580VA
200 watts into 4 ohms .............................................................................................................................................. 920VA
Power (Available in 230VAC on special order) ................................................................................................. 115VAC - 50/60Hz
Chassis Dimensions ............................................................................................... 5" (127mm) x 17" (432mm) x 11.5" (292mm)
Maximum Dimensions ......................................................................................... 5
Weight.. ................................................................................................................................................................... 26 lb. (11.8 kg)
Weight, Packed........................................................................................................................................................ 30 lb. (13.6kg)
3
/ " (137mm) x 17" (432mm) x 12.5" (375mm)
8
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