Adcom GFA 7500 — Tested

For sale is an Adcom GFA-7500 multichannel power amp.  It is rated at 150 watts x 5 channels. The amp has been tested and adjusted

Specifications
150 watts per channel continuous average power into 8 ohms
225 watts per channel continuous average power into 4 ohms
Any frequency with all channels driven at less than 0.075% THD
IM Distortion (SMPTE)
1 watt to 150 watts into 8 ohms.......<0.05%
1 watt to 225 watts into 4 ohms.....<0.05%
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
150 watts into 8 ohms.....<0.01%
225 watts into 4 ohms.....<0.01%
THD + Noise at 150 watts into 8 ohms (Typical)
20Hz.........0.006%
1 kHz........0.006%
10 kHz......0.02%
20 kHz......0.04%
THD + Noise at 225 watts into 4 ohms (Typical)
20 Hz........0.01%
1khz..........0.01%
10 kHz......0.035%
20 kHz......0.065%
Frequency Response at 1 watt into 8 ohms (10Hz to 20kHz)...........+ 0, - 0.25dB
Power Bandwidth (-3dB)...........1.5Hz to 100kHz
Dynamic Headroom Into 4 ohms...........1.9dB
Signal to Noise Ratio, "A" Weighted (150 watts into 8 ohms)...........> 115B Gain.......29dB
Input Sensitivity
for 1 Watt output..........0.1 volts
for 150 Watts output....1.14 volts
Input Impedance.........50K ohms
Damping Factor ( 20Hz to 20kHz )........>800
Rise Time (5kHz, 90 V, peak-to-peak square wave, 20% to 80%)........2.7 microseconds (uS)
Power Consumption (Continuous, All Channels Driven).....Quiescent.....80VA.....Maximum.....1440VA
General Power.....115VAC - 50/60Hz
Chassis Dimensions.....7.25" x 17" x 15"
Weight.....56 lbs. ( 25.4 kg )
Weight Packed.....64 lbs. ( 29.1 kg )

Additional Notes:
Physical Condition:  Each item is as described and images.  What you see in the images is exactly what we will ship.  We want you to know exactly what you are getting.  If you want additional/better images please ask and we will provide.

Returns:  We do not accept returns, however if you are unhappy with your item, please email us first before opening a return case, we will work with you to find a resolution.  If something arrives damaged from shipping, please take pictures of the packaging showing the damage, take picture of the damaged item and send us an email so we can work swiftly to resolve and help rectify.

Customer Service:  Once your item arrives, if you have questions about how your item functions or proper settings, please CONTACT US.  We are audiophiles as well and love to help out other audiophiles.