m -

I bought a new Vintager GM110 via eBay about a year ago. When the amp
is switched on and my guitar plugged in, there is no output noise

Hi, I'm no regular here butt... I can tell you there are no tubes in
this amp. It appears to have blown a major component which will involve
pulling the chassis, searching a mass of tiny components and soldering.
You can use the FX loop to test your output transistors. Plug another
amp or even a CD player or radio, turned down way low, into the return
jack. Report the result here.

John Kogel