Search found 3 matches

by gabe.hunts
Wed Jul 25, 2018 12:52 pm
Forum: Rectifier Series
Topic: Dual Rectifier Hisses When Powered On
Replies: 4
Views: 1616

Re: Dual Rectifier Hisses When Powered On

I retubed the whole amp and it still rattles, even on diode rectification. The rectifier tubes are brand new Electro-Harmonix 5U4 tubes.
by gabe.hunts
Sat Jul 14, 2018 10:26 am
Forum: Rectifier Series
Topic: Dual Rectifier Hisses When Powered On
Replies: 4
Views: 1616

Re: Dual Rectifier Hisses When Powered On

Have you been able to figure out exactly where the sound is coming from? I've done some troubleshooting and it goes away when I pull the rectifier tubes. I've pulled the power tubes one at a time and briefly turned the amp on to see if the sound was still there and it was, even when all the power t...
by gabe.hunts
Fri Jul 13, 2018 5:51 pm
Forum: Rectifier Series
Topic: Dual Rectifier Hisses When Powered On
Replies: 4
Views: 1616

Dual Rectifier Hisses When Powered On

My Dual Rectifier makes a hissing noise right after I turn the power on and as I'm running it I hear what sounds like filament rattling. It does not come from the speakers but from the head itself. I took it to two techs, one of them being a Mesa Boogie tech, who both said that they couldn't hear th...