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In Reply to: Tube Preamp Got a Hissy Channel posted by erik on December 24, 2020 at 15:32:19:
Just looking at that preamp it's going to take some real knowledge finding the problem. It could be anything from a bad ribbon cable to a transistor.If you didn't send it out yet then try is the simple pencil test. Take a NON conducting pencil like object and GENLY poke around the connectors, solder joints, cables, caps, resistors, etc....
Heck, you might get lucky. If not then send it out for repairs.
Addendum: especially check the tube solder joints. they go more often because of mechanical use.
Edits: 12/25/20
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Follow Ups
- You can try - airtime 06:33:32 12/25/20 (2)
- RE: You can try - erik 08:25:20 12/25/20 (1)
- RE: You can try - airtime 16:10:31 12/25/20 (0)