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In Reply to: Where do my Pro/Comm tubes come from?? posted by amadeus-mozart on November 12, 2003 at 09:40:15:
Procomm can be anything, but most of their 12AX7's I've seen are EI.I purchased a case of 100 EI 12AX7's about a year ago and ran them thru a curve tracer About 50% were pretty useless, and only around 10% had good section match and nice curves.
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Follow Ups
- Re: Where do my Pro/Comm tubes come from?? - Gary Kaufman 11/13/0313:29:41 11/13/03 (0)