I have a Vox valvetronix and it has had some problems lately. First thing was the volume would increase without me doing any thing. Then later It started to make a cracking noise. The cracking noise is crazy loud and i cant tell exatctly what it is.
Fender H Stratocaster USA.
SX P90 Mahogany Hawk
Gibson Les Paul Studio Double Cut

Delta Labs Tube Driver
Hardwire SC-2 Valve Distortion
Delta Labs Stereo Chorus
TC Nova Repeater
Korg Pitchblack Tuner Ped

Fender Super Champ XD