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Pre-Owned Adcom GFA-5500

$700.00

2-Channel 200W Power Amplifier

Power Rating (To FTC Requirements)
200 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
350 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 200 watts into 8 ohms  £ 0.05%
1 watt to 350 watts into 4 ohms  £ 0.05%
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
200 watts into 8 ohms  £ 0.04%
350 watts into 4 ohms  £ 0.04%
THD + Noise at 200 watts into 8 ohms (Typical)
20Hz  0.018%
1kHz  0.02%
10kHz  0.07%
20kHz  0.13%
THD + Noise at 350 watts into 4 ohms (Typical)
20Hz  0.018%
1kHz  0.02%
10kHz  0.08%
20kHz  0.16%
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 (200 watts into 8 ohms)  ³ 100dB
Gain  29dB
Input Sensitivity
for 1 Watt  0.1 volts
for 200 Watts   1.4 volts
Input Impedance  49.9kW
Damping Factor (20Hz to 20kHz)  ³ 700
Rise Time (5kHz, 90V, peak-to-peak square wave, 20% to 80%)  1.5mS
Power Consumption (Continuous, All Channels Driven)
Quiescent  199VA
Maximum   855VA
80 watts into 8 ohms  1440VA
125 watts into 4 ohms  720VA
Power (Available in 230VAC on special order)  115VAC – 50/60Hz
Chassis Dimensions   7” (178mm) x 17” (432mm) x 13 3/4” (349mm)
Maximum Dimensions   7 1/4” (184mm) x 17” (432mm) x 14 3/4” (375mm)
Weight  44 lb. (25.9 kg)
Weight, Packed  50 lb. (28.6 kg)