Well, I think it is lead dress, but could be a loose socket pin. I started moving around wires and it began working fine. No hum or oscillations from what I can tell. I still may move the grid resistors however. The board is only an inch or so from the preamp tubes, and the SLO has a counterintuitive layout with preamp tubes in front and poweramp tubes in the rear. I'm wondering if it will even make any difference.
Thanks for all the help!
Awful Breakup Noise, could this be power tubes?
Moderators: pompeiisneaks, Colossal
Push on connectors.
Just out of interest, I got a similar problem with a Epiphone blues special, it was one of the push on connectors on the left (from the front) speaker.
I found it the same way one of you guys mentioned and purely by mistake, while angrily hammering a big chord shape and looking into the back of the amp, a minute spark. Squeezed the offending push on and refitted it-as if by magic, cured.
I found it the same way one of you guys mentioned and purely by mistake, while angrily hammering a big chord shape and looking into the back of the amp, a minute spark. Squeezed the offending push on and refitted it-as if by magic, cured.
Wheres the fire extinguisher John?
Re: Awful Breakup Noise, could this be power tubes?
Well it sounds like contruction/mechanical issueryanf wrote:Well, I think it is lead dress, but could be a loose socket pin. I started moving around wires and it began working fine. No hum or oscillations from what I can tell. I still may move the grid resistors however. The board is only an inch or so from the preamp tubes, and the SLO has a counterintuitive layout with preamp tubes in front and poweramp tubes in the rear. I'm wondering if it will even make any difference.
Thanks for all the help!
However those grid resistors should be at the tube to do their job
They do not belong on the PC Board