intermittent

This is a new one on me. I built a bass that has been working very well until now. This morning I plugged in and as I wound up the volume pot a hum began at bout a 1/4 turn that stayed there until around 3/4 turn then disappeared. Below and above this point all is ok - no hum and clean sound...

Hey folks, I have emailed Markbass about this but thought I would tap into the collective wisdom and experience here. I have a LMV Gold Line head and it has a strange behaviour when first turning it on. I connect it to my speaker cab, power supply etc., switch it on and it all lights up and...

I have a RH450 bass head and it cut out at a reasonably large festival gig last weekend when running on about half volume (It lasted around 20 minutes ish). Only th epower amp failed, the lights and all other functions were fine and the DI out wasn't affected - just no sound form the cabs. I did...