Adcom GFA-555 mkII
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Condition | |
Payment methods | |
Ships from | Westmont , IL, 60559 |
Ships to | United States |
Package dimensions | 13.0" × 17.0" × 7.0" (35.0 lbs.) |
Shipping carrier | UPS |
Shipping cost | Free |
Average | Research Pricing |
ADCOM GFA-555 II.
Rated Power Output
200 watts per channel into 8 Ω from 20 - 20,000 Hz at less than 0.04% THD, both channels driven.
325 watts per channel into 4 Ω from 20 - 20,000 Hz at less than 0.04% THD, both channels driven (requires fan option to do this for any length of time).
600 watts into 8 Ω from 20 - 20,000 Hz at less than 0.04% THD, bridged mono (requires fan option to do this for any length of time).
850 watts into 4 Ω from 20 - 20,000 Hz at less than 0.09% THD, bridged mono (requires fan option to do this for any length of time).
Inputs
100k Ω.
Two gold-plated, Teflon-insulted brass RCA jacks.
They are close enough together to make connection a breeze.
Gain
27 dB.
Input Sensitivity
1.75V for 200 W into 8 Ω.
130 mV for 1 W into 8 Ω.
Dynamic Headroom
2.5 dB at 4 Ω.
Power Bandwidth
1.7 - 100,000 Hz at - 3 dB.
Frequency Response
10 - 20,000 Hz +0, -0.25 dB at 1 W RMS into 8 Ω.
Damping Factor
Not less than 800 from 20 - 20,000 Hz into 8 Ω.
Noise
Not less than -110dB down from 200 watts into 8 Ω, A-weighted.
Power Input
120 VAC 50-60 Hz.
72 VA idle.
1,500 VA maximum.
675 VA at 200 W into 8 Ω.
I measure 37.5 watts at idle, cold.
60 watts at idle, warm (0.73A).
92 Watts (1.09A) when delivering 1 watt per channel into 8 Ω.
845 watts when delivering 265 watts per channel into 8 Ω.
It draws zero power when turned off because it has a real power switch. It's not like modern equipment that never really turns off and consumes power and remains a fire hazard any time its plugged in. The GFA-555 II is completely disconnected when switched off.
Size
Chassis: 6-3/4 x 17 x 12-3/16 inches (172 x 432 x 310 mm) HWD.
Overall: 7-1/4 x 17 x 12-3/16 inches (185 x 432 x 310 mm) HWD.
Weight
35 pounds (16 kg).
39 pounds (18 kg), packed.
Quality
Made in USA.
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Return Policy
Return Window
Item can be returned within 7 days of receipt.
General Terms
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
Refunds
Buyer will receive a full refund in the original payment method less any shipping charges.