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In Reply to: Re: How do you clean 40+ year old tubes? posted by Mr. Droopy-Drawers on September 5, 2003 at 15:42:23:
and it tests for shorts, combined transconductance, life and gas.
All of the cleartops tested great on it but the best test available to me is when I try them two by two in my Foreplay preamp. The Foreplay has separate volume controls for left and right and has a very thin top chasis plate which means that microphonic tubes will be easily identifiable.This is kind of fun, maybe I'll run an ad in the local paper:
"Old tubed ogans hauled off for $10." :-)Bob
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Follow Ups
- Yes, it's a B&K 500... - Bob Samuelson 08:53:30 09/06/03 (0)