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CCazmok replied to the thread Visual evidence Tung-Sol 5998 = Western Electric 421.Interesting, JKDJedi and JTbbb. This makes sense. I think I'll try some other low testing tubes in an amp now. Maybe they'll sound just...
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CCazmok replied to the thread Visual evidence Tung-Sol 5998 = Western Electric 421.Ok, thanks for your feedback! I think I'd like to try a OTL DIY with these someday.
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CCazmok replied to the thread Visual evidence Tung-Sol 5998 = Western Electric 421.Ok, cool. Yes, I meant 5998. The Hickok 539C chart has a Gm test for this tube, but has a different test setup to only test emissions on...
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CCazmok replied to the thread Visual evidence Tung-Sol 5998 = Western Electric 421.Hi all, Can I ask a question here about testing 5988 tubes? Or, is there a thread specific to this topic? Thanks!
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