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RE: JJ Octal based tubes

Ive had some of the same problems you described with their 6L6. It's the one with a single hole on each side of the plate.

The tube suddenly quits drawing current. It can be intermittent. I believe it's the internal welded connections. It could be the cathode, the screen or the plate connections. Any would cause that.

The other problem I've seen with them is the pin size is too small. In Fenders where they hang upside down, they fit the socket loosely and can fall out ot make intermittent connection to the socket.


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