Peavey duel 212 and rectoverb problem

[bracky72]

I have always loved the sound of this amp so I decided to upgrade the tubes and speakers from stock. I got the recommended tubes from eurotubes and a set of GT12-75 speakers for it.

Now my lead channel has lost it's balls.

The clean channel works as it should but when I switch to the lead channel the volume drastically drops and as if it's not feeding the power amp enough signal or something? When I adjust the lead channel knobs I can hear them all having their effect but the signal never gets strong even turning both pre and post gains to maximum. I've tried switch back tubes and speakers but I can't get it to work properly. What have I done to my amp?



I also have another amp that has recently quit working right.
It's my mesa boogie rectoverb. I didn't use it for about a year and now it to has lost it's punch. When I turn up the gain it starts to "clip". I'm really bummed about this one.

[izzybell2810]

Check the voltages at the pre amp tubes. Sounds like a screen res gone bad.

Dave.

[guitician]

Check the phase of the speaker wiring, if you have them reversed you will loose volume. Also, check for tube socket corrosion.

[Enzo]

And try putting the old tubes back in, one of your new ones could be bum.