Fortisursus
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- May 12, 2014
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Hi so I'm new to this forum, but have always been a fan of Mesa amps! So my DC-3 that i've had for about a year or so has recently started making a squealing sound (both channels) and two of the EL84 tubes are red plating(from looking at the back the two on the left). I'm pretty new to troubleshooting amps, but my friend is pretty good with it. We checked to see if it was any of the preamp tubes, but they seemed to be ok. Pretty much when you turn on the amp it starts squawking loudly, and if you tap around the amp it amplifies the problem. He though it may be a solder joint going bad for one of the power tube sockets. From my eye it looks like the solder joints are fine. I tried further localizing the problem, but it seems like I am running in circles. No matter where I tap inside the amp the symptom seems the same. Does anyone have some insight into this problem?
Thanks
Thanks