Sold: Gorgeous GFA-545 II

Sold to Maxim in NYC!

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And the amps just keep on rolling! This is the nicest GFA-545 II I’ve ever restored. Cosmetically, It’s pretty close to perfect! The face is nearly flawless. There’s just one scratch that I’ve touched-up on the top cover, towards the back, and a two barely noticeable scuffs on the sides. Click on the photos to see it in hi-res. Overall, it looks just about brand new.

But it’s better than brand new! This is a complete tear-down and restoration using every trick I’ve learned about Adcom amplifiers.

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GFA-545 II Restored

Continue reading Sold: Gorgeous GFA-545 II

Sold! Beautiful ADCOM GFA-555 II with all the mods

UPDATE: Sold to David in BC.


Folks, this is the nicest GFA-555 II I’ve ever restored. What a beauty! The previous owner was a cellist for the Milwaukee Symphony Orchestra, who took excellent care of it. Cosmetically, it’s about as close to mint condition as they come. There are a few small ticks in the finish here and there, which I’ve touched-up, and are hard to notice, and the face is totally perfect! Click on the photos to see it in high-resolution.

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Since this one is so nice, I pulled out all the stops and installed every enhancement I know for Adcom amps.

Continue reading Sold! Beautiful ADCOM GFA-555 II with all the mods

Some notes about restoring a GFA-5802

…just some thoughts and pictures from this Adcom GFA-5802 I’ve just restored for Jeff in Washington.

This was Adcom’s biggest and most expensive amplifier. A 300WPC monster, with 16 HEXFET output devices per channel. Minimalist in circuit design, with only three gain stages, but maximalist in execution.

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Continue reading Some notes about restoring a GFA-5802