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The Adcom GFA was designed for Adcom by Nelson Pass leveraging the International Rectifier HexFet T03 output devices. Nelson Pass designed these. I am considering changing(up grading)to Adcom GFA amp and GFP pre. I currently am using a Parasound HCAa and. ADCOM GFA – Power amplifier overview and full product specs on CNET.

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Adcom GFA Power Amplifier – Repair And Restoration

See details for description of any imperfections. Equipped with LEDs that notify you during thermal overload, the ffa-5802 is user-friendly and features a detachable power cord.

The soundstage is very deep and the amplifier produces and very neutral, transparent sound.

Show More Show Less. Slick, sleek, and stylish, ffa-5802 device looks right at home in your media room. Rivals the best class A amplifiers without spending too much money. Plenty of protection built into the amp, so you can run virtually any speaker, no matter how demanding. It was manufactured around Here are the input boards, which contain the RCA and XLR input connectors, along with the circuitry for the first stage of the amp.

I will definitely consider advom this amp again or recommend to an audiophile who loves hi-end sound for less. Spotify, Apple Music and more, compared by Ty Pendlebury.

ADCOM GFA – Power amplifier Overview – CNET

Sesame Street muppet Grover might have dropped the F bomb in this clip An amusing Sesame Street sound bite posted to Reddit could be the internet’s new “Yanny or Laurel. This Adcom GFA power amplifier is in fairly good cosmetic condition. You will find that this Adcom GFA amplifier runs very warm even at idle.


Around the power FET’s It looks like something may have been spilled. Highly recommended for all speakers but superb on electrostatic.

This repair and restoration is complete. Nice quality fiberglass through-holes. Be careful as they are easy to strip.

ADCOM GFA-5802 – Power amplifier

Lowered distortion means smoother, richer sound, and watts of power per channel creates a symphony of sound whether you play your favorite songs or turn on a movie. Smooth sounds came out of the studio monitors. Ratings and Reviews Write a review.

Show less Show more. This Adcom does not need a complete restoration at this point but use some deoxit on the rear connectors while you have the amp accessible.

This amplifier is a keeper and built to last. Good value for money Loved it all the way. Most relevant reviews See all 6 reviews. You should let the amplifier addom up for an hour or so before adjusting. Tidal offers three months of music for a buck Audio by Ty Pendlebury Dec 19, Adxom always replace power switches and relays just in case they are corroded over time. One of the best kept secrets in audio.


Some notes about restoring a GFA-5802

What you need to know A new version of HDMI is coming, and there are some big changes — including support for resolutions up to 10K as well as a new cable. It’s time to take the top cover off. Here’s the skinny on fatter AV bandwidth. Fortunately, these devices are still available, so I bought of them, built afcom jig to match them, and sorted out pairs that match to less than 1mV. Audio by Steve Guttenberg 9 days ago. These should hold up much better. Two of these mosfets had actually lost some gain, possibly due to heat stress, so I replaced them.

A new version of HDMI is coming, and there are some big changes — including support for resolutions up to 10K as well as a new cable.

The amp is very high damping factor and very high current. Headphones by Steve Guttenberg 2 days ago. In particular, the uF 16V power-supply filters gca-5802 the high-voltage supply are known to die and cause a loss of bass response. What’s the best streaming music app? Minimalist in circuit design, with only three gain stages, but maximalist in execution.