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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: New Purchase of Gold Lion KT88-Damaged or Not? posted by rbyar on April 19, 2010 at 19:03:58:
A lot of the tubes from Russia seem to cross the water before having been burned in sufficiently. In the small 9 pin tube varieties, I and others have observed a 50-100 hour period where a given Russian tube will slowly increase its current until it gets pretty close to specification. In your case, you may have had one KT88 that was particularly green, and once it woke up from some use, it started drawing proper current.
It's best with a new set of Russian outputs to run the tubes at a very cool bias point for a few days just to be sure, or buy them from McShane, as I get the impression that he runs them in pretty well.
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Follow Ups
- RE: New Purchase of Gold Lion KT88-Damaged or Not? - Caucasian Blackplate 13:10:12 04/20/10 (0)
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