Quote:
Originally Posted by Formerly YB-2
Again, there are tubes in the signal path. Have not read where you've swapped them out. Talk to Jon at the Tube Store and ask him what he recommends for your preamp for quiet tubes. You may be listening to the latent hum from the heaters in your tubes.
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I was saving the tubes as a last-resort option to explore because swapping out tubes would be a bit of a hassle, plus it seemed odd to me that both phono inputs wold have the same problem at the same time in the same way and with different tube brands. Still I wouls have gone for it if all else failed.
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