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In Reply to: hum from new tube posted by scruffy_ on February 7, 2017 at 14:46:30:
Strange story but true. My Sherwood, when I put new linestage tubes it hums for about 10 hours then the hum starts to disappear.
run it for a few hours and see if the hum diminishes. If not see if the hum follows a particular tube or try putting back your old tubes to see if it's not the amp humming.
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Follow Ups
- RE: hum from new tube - airtime 14:56:49 02/07/17 (4)
- RE: hum from new tube - scruffy_ 16:26:42 02/07/17 (3)
- RE: hum from new tube - Jonesy 17:00:30 02/07/17 (2)
- Yes, the noise is coming from the speakers nt - scruffy_ 00:59:23 02/08/17 (1)
- RE: Yes, the noise is coming from the speakers nt - Uncle Mike 03:14:43 02/08/17 (0)