Adcom GFA-5503 3 Channel Power Amplifier; 200 watts per channel

This amplifier is in excellent working condition with no issues. Works great as a 2 channel amp or use all 3 channels in a home theater set up. It is coming from the original owner where it was used in a custom dedicated home theater.

Cosmetic condition is very good. There is a very light scuff in the paint on the top, left, front corner of the case. Also, there is a piece of tape on the back from previous ownership. Otherwise, I don't see any notable blemishes. See photos for details.

We will double box for safe shipment worldwide.

GFA-5503 SPECIFICATIONS

Power Rating (To FTC Requirements)

200 watts continuous average power into 8 ohms at any frequency: 20Hz to 20kHz with all channels driven at less than 0.18% THD

350 watts continuous average power into 4 ohms at any frequency: 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..... 1.7dB

Signal to Noise Ratio, "A" Weighted (200 watts into 8 ohms)..... >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)..... >700

Rise Time (5kHz, 90V, peak-to-peak square wave, 20% to 80%)..... 1.5mS

Power Consumption (Continuous, Both Channels Driven)

Quiescent..... 199VA

200 watts into 8 ohms..... 855VA

Maximum..... 1440VA

Power (Available in 230VAC on special order)..... 115VAC - 50/60Hz

Chassis Dimensions..... 7" (178mm) x 17" (432mm) x 16" (406mm)

Maximum Dimensions..... 7¼" (184mm) x 17" (432mm) x 16" (406mm)

Weight..... 57 lb. (10.0kg)

Weight, Packed..... 63 lb. (11.3kg)