Cleaned relay, replaced cap bank. Installed new meter board. Amp seems to be working fine now. Tubes don't glow with just a small single final radio like before. Actually does about 30w pep more than before replacement. Cleaned and oiled fan. Amp seems to be running fine now. Nice little amp for what it is.
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Heathkit SB220
- Thread starter Crusher
- Start date
WY6K - An Essential Mod to the SB-220 and SB-221
Crusher, this is some good mods, especially using resistor for cathode cut off bias, and making the grids true grounded grid instead of going through the choke.
Crusher, this is some good mods, especially using resistor for cathode cut off bias, and making the grids true grounded grid instead of going through the choke.
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