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Questions about tubes and gear that glows. FAQ

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They were made for Kron by Tesla...

Posted by Ivan303 on March 31, 2014 at 16:47:11:
At least this was the case way back while Dr. Kron was still alive. Can't say if any old KT-88 tube with a Tesla name on it will sound like the Kron labeled ones, but it's a start.