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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Could this even be possible to have a 12Ax7 hum? posted by colebearanimals on November 19, 2015 at 03:28:41:
I have NO doubt about that!
However, I've tried the Belton shields, doubling up on tube sleeve shields, attaching a second ground from the shield to chassis.
And all this with the full steel case shield screwed down in place covering the entire preamp section.
The only variable, obviously besides the actual tube, is the tube plate orientation.
Check out your tubes and try that experiment. Remove ALL the shields and see if it hums as described with what ever position the plates are in.
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Follow Ups
- Oh this is definitely some freak shielding type of problem - airtime 06:28:00 11/19/15 (2)
- RE: Oh this is definitely some freak shielding type of problem - colebearanimals 14:03:50 11/19/15 (1)
- RE: Oh this is definitely some freak shielding type of problem - airtime 14:30:46 11/19/15 (0)
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