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In Reply to: New tube causes loud hum but tests fine. Why? posted by Mark C. on December 10, 2000 at 04:02:36:
Yup, another pair of humming Svet 12ax7s here. I'm using a Jolida 302, so perhaps there's something about the circuit or layout that is contributing to the problem.I just emailed Classic Valves and he replied in minutes saying he'd replace the pair.
--daryl
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Follow Ups
- Me too. - daryl 22:53:12 12/10/00 (0)