LSC has the Spooks......whats up with this?

[pjlcc14]

Long story short......Turn on my LSC (version 1)......stand by for a couple of minutes........then we're off and playin..........yesterday, after playing for about 10 minutes.....all of the sudden I lose 75% volume, and it turns nastyingly sizzlely dirty! Like something is buring out. I don't touch, bump thump anything......and about 4 minutes later.....sound turns back up to 100% like I just grabed the volume knob.....weird. Since then, I've turned it off and repeat , but with different guitars and cables......same thing......plays for about 10 to 15 minutes......then volume and clarity take a s*@t......five minutes later......everything is back to normal. The fan is working, in case you were going to ask. Any ideas? Do I have a tube trying to die a slow death??? Or is there a ghost in my room screwing with me

 

[boogiemon]

sounds like power tubes to me.

Long story short......Turn on my LSC (version 1)......stand by for a couple of minutes........then we're off and playin..........yesterday, after playing for about 10 minutes.....all of the sudden I lose 75% volume, and it turns nastyingly sizzlely dirty! Like something is buring out. I don't touch, bump thump anything......and about 4 minutes later.....sound turns back up to 100% like I just grabed the volume knob.....weird. Since then, I've turned it off and repeat , but with different guitars and cables......same thing......plays for about 10 to 15 minutes......then volume and clarity take a s*@t......five minutes later......everything is back to normal. The fan is working, in case you were going to ask. Any ideas? Do I have a tube trying to die a slow death??? Or is there a ghost in my room screwing with me

 

[rocksalt7]

While I haven't had this happen to a Boogie, it's almost exactly what I've had happen to 2 different Fenders (word for word!). It was power tubes, and yes they can get ugly!

 

[ellem52]

This happens on my Marshall JTM30 and it's not the power tubes it's the power transformers. Hopefully it's just your tubes.

 

[fishyfishfish]

Try putting a small "Jumper cable/patch cord" in the effects loop. If that doesn't fix it time for some power tubes.

 

[aarona]

not saying this is what is happening, but I had the same thing happen in a Splawn Quick Rod. I'm pretty sure it was on account of the button to engage/bypass the effects loop had gotten a little dusty.

I pushed it a few dozen times, and voila! No more crazy amp level changes.