I'm having problems with my Thunder I Twin. The last time I played it, it was working fine. It takes a several seconds for it to power up. Once on, it emits a boomy hum, with the volume all the way down. When I turn the volume up, the pot is very scratchy and the noise increases. The tubes a glowing orange/red. Once I heard this, I was afraid to plug in my guitar. Any ideas one what the problem might be? I'm probably gonna bring it in to a tech for repair/tune-up.
The amp has the original Guild tubes from the 60s. If they are still full of life, I'll keep them in. If not, any recommendations on which tube brands make a good match for this amp?
Thanks,
-Adam
The amp has the original Guild tubes from the 60s. If they are still full of life, I'll keep them in. If not, any recommendations on which tube brands make a good match for this amp?
Thanks,
-Adam