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RE: Another ear 834p troubleshooting question

Posted by DAK on June 26, 2017 at 22:39:49:
It certainly not a good idea to have a source of RFI and/or EMI right next to an amp. It may be that one of the tubes was especially sensitive or microphonic and the proximity to the noise makers excited the tube. Try and turn off all the computer stuff including the furman and just plug the amp into the wall and see how much noise you get. If that makes a big difference i think you solved your biggest problem. You could also try some tested low noise tubes as a reference. cheers, Dak