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Adcom GFA-555II donor or rebuild
Adcom GFA-555II donor or rebuild
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Old 6th February 2013, 12:25 AM   #1
avincenty is offline avincenty  United States
diyAudio Member
Join Date: Jan 2008
Location: Southern California
Default Adcom GFA-555II donor or rebuild

I just purchased a working GFA-555II for $100 originally thinking to use it as a donor chassis for a class a, low wattage amp, but now wonder if it is worth it to upgrade the original circuit. For the low wattage amp I was looking at one of the firstwatt single ended amps with semisouth devices or irfp240. Not sure if the heatsinks can handle the idle dissipation.

Any advise?

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