Traynor TS120B bass amp

[robgrif]

hi all
I have a traynor bass amp TS120B I am trying to repair
The amp powers up ok but the output is garbled mixed with 60 cycle hum
...

[SWA]

Hi.

I'm new to the forum & have just completed a Mojo Champ Kit. It went together easily, all continuity checks were positive & the...

[metalmind19]

Hey amp experts, a couple questions from a novice...
I built the amp, did all the voltage testing, almost all came out pretty spot on or at least close...

[paintyoursky]

The extent of my knowledge when it comes to amp heads is very simple.
I recently bought a framus cobra and it had a buzzing the closer I get to it...

[longshot]

I recently purchased a second hand Frontman 15G amp and it has been working OK.

However, from time to time it will just start humming, even...