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RE: 6SL7 there are sellers who test for microphony

I would agree with that. The issue is the speaker output being enough to excite the tube and then the microphonics feeding back through the speaker. Even with the amp being located off of the cabinet.

At any rate, I got a small plate Sylvania WGT and it's OK. It's not a new tube so hopefully it will stay quiet enough. It sounds good too. I'll probably pick up a couple more of the same type.


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  • RE: 6SL7 there are sellers who test for microphony - Laudanum 15:02:53 04/15/17 (0)


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