Mighty 620 with a problem or 2 ?

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Mighty 620 with a problem or 2 ?

Chuck Schwark
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Posts: 1,703
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Joined: Sep 2005
City: Evanston, IL

#2

05-23-2006, 07:56 PM

Regarding the audio feedback; be sure the tubes shields are making good ground contact with the tube socket shield bases. Shields are on the 75, both 78s, 6A7, for a total of four in this model. Also be sure the grid cap lead of the 75 runs inside the shield.

Chuck Schwark,
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Mighty 620 with a problem or 2 ? - by Guest - 05-23-2006, 06:44 PM

[No subject] - by Chuck Schwark - 05-23-2006, 07:56 PM

Rust attacks cars and Radios too! - by Guest - 05-24-2006, 04:58 AM

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