AdcomGFA-555 mkIIusedAdcom GFA-555 mkIIADCOM 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 th...400.00

Adcom GFA-555 mkII

Listing ID: lis9f9h4 Classified 
 Listed  · 273 Views

2 Watchers

Items from this seller

Time Left: Listing Sold

This listing has ended.

Condition
8/10
Payment methods
Ships fromWestmont , IL, 60559
Ships toUnited States
Package dimensions13.0" × 17.0" × 7.0" (35.0 lbs.)
Shipping carrierUPS
Shipping costFree
AverageResearch 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.


No questions have been asked about this item.

Ask the seller a public question

You must log in to ask a question.

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.