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Recto, Thanks for the reply. I just put new tubes in, but that doesn't mean I don't already have a bad. I'll check the all today. I also placed an order at Digikey replacing the rest of the supply caps that support the IC's and channel switching. Amps get old and so do the caps. I hope to...

The op amp for the Headphones/Recording output would heat up and start to oscillate only when the chassis was in the cabinet. Op Amp was pulling on the supply after it warmed up. Repleaced the 5532 and cleaned up the constant oscillation. I still have an abundance of noise in the dirty channel...

I recently replaced all Power supply caps on my DC-2. A few weeks after an oscillation showed up. Doesn't matter if the amp's volume is up. Just constant. Then I'll leave it off for a day, turn it back on and it's gone. It does this when in the cabinet and out. Any help is appreciated. bru

Slave out comes from your output section. This is a lower signal based on your tone from the amp output signal(to the speaker). It can be used to send a signal to a DI, extra amp etc. Reason for the volume control, able to send overall amp tone to another input. hope this...

Thanks, I have used the Amp in several enviroments. The worst was playing outside last weekend. It seems to be consistant tho. I appreciate the input. I wanted to see if others have had similar problem prior to shot gunning. Easiest would be to replace all the supply caps. If you think of...

Yes it hummed prior to replacing all the tubes. I replaced all with Mesa Boogie tubse, pre and power.

Just bought a used DC-2. I put new tubes it immediately. When I turn up the volume in either channel, or run a boost pedal, the 60 cycle hum gets bad. My first thought was to replace all of the supply caps. Does this amp have a history of bad Power Transformers or chokes? Nothing on the board...