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In Reply to: A tube may be microphonic in one circuit, but not another posted by Alpha Al on March 27, 2006 at 06:09:09:
You would relly have to put the tube in the intended circuit to test for microphony, and even then the same tube that is clear from microphonics in that circuit may develope them later on. This is one reason why some "quiet" makes of particular tubes were/are popular with people.Bottom line, this is one of several reasons why "retail" dealers get 2-4X the ebay price for their tubes. If you want to be cheap, you have to take risks.
Rodney
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Follow Ups
- EXACTLY! - j rodney 08:28:56 03/27/06 (2)
- Exactly right........ - Jimmy 11:07:05 03/27/06 (1)
- Re: Exactly right........ - AAG 17:04:17 03/27/06 (0)