Session 400 Reverb Issue...

Grant Johnson · From: Nashville TN

A friend loaned me a Session 400 in hopes that I would purchase it. Its a good sounding amp, but there is an issue that when I turn up the reverb anywhere past zero it makes a bunch of electronic humming noise and then at about three, a shrill high pitched very loud feedback. At the zero the amp operates perfectly, no hum our noise. Tank? Electronics? Any help would be appreciated...

Bo Borland · From: South Jersey -

check the connectors on the pan.. clean them or twist them around a little.. it's an older amp...they get dirty
Someone asked me the other night why his BRAND NEW amp hummed and made noise when he turned the reverb all the way up.. He is a green as grass harmonica player..

Lane Gray · From: Topeka, KS

My LTD had issues like that. I swapped send and return and it got much better. Then I got a Holy Grail.
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2 pedal steels, a lapStrat, and an 8-string Dobro (and 3 ukes)
More amps than guitars, and not many effects

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