4-400 Johnson Thunderbolt Amp.

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ka9ucn
Posts: 1
Joined: Sat Nov 25, 2023 7:00 pm

4-400 Johnson Thunderbolt Amp.

Post by ka9ucn »

4-400 pulls last rotated in a Johnson Thunderbolt around 10 years ago. (4pcs.)
Old Johnson Thunderbolt amp. It is very rough but worked well 10 years ago. It should be considered a parts project amp.
Should I sell the tubes and amp together?
The amp has no inductor in the B+. It has been converted to capacitive filtering with solid state rectifiers.
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