Just looking for some opinions and experiences. I know eventually it will have to be sent in for service.
The last two times I fired up my Dared I-30 tube integrated after about 10-15 minutes of playing I smell something hot, not necessarily pungent burning type smell but something hot smelling and the left channel starts crackling and hissing. It uses (4) 6L6 GC power tubes 2 for each channel in a push/pull configuration. (2) 12AX7's and (2) 12AU7's for the input section.
Both times this has happened I have shut her down and after a few minutes of cooling down I start sniffing around seeing if I can smell a cooked component as well as doing a thorough visual inspection. No cooked smell or visual damage. Today I even took the back off and performed the smell test. Nothing smelled funky at all.
I suspect a bad 6L6 power tube. I need to roll another pair in the left side to see if that takes care of it. I should have done that today to rule out the power tubes, but it's already put away.
I know this is NOT the way to diagnose a problem. But I think there would be a cooked smell inside the amp if something was toast.
What do you think?