Problem with new Blackstar amp.

droptune

Member
Messages
150
I just bought a Blackstar HT5 metal head and a 1-10 cab. The amp is doing a strange thing. On the distortion channel the low notes sound really buzzy and fuzzy. I almost hear a static electricity kind of thing. The low E string in the lower registers is where is occurs. I plugged it into another cab and same thing. It is doing it with all my guitars too. I wish I could give you a better description of the sound but that is the best I can do. Hopefully someone can help.
 

ksandvik

Member
Messages
6,328
Tubes, maybe pre-amp ones, especially if the high ones sound good and some frequencies bad. Power supply tubes bad, everything sounds bad.
 

DaveKS

Member
Messages
16,704
It may just be a tube socket is loose or a tube not seated properly. When tube pin is not making good contact you can get that type of buzz. It will arc across to pin creating a almost transistor clipping type sound.

Deoxit vacuum tube survival kit is good stuff.
 




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