Hi I've got a newer JT-30VC with a 500k potentiometer inside. I'd like to replace the pot with a larger value (preferrably 5M). Unfortunately the pot seems to be of uncommon type, it's very big (24mm) and has a very long threaded bushing. Does anyone know a source for pots like this? I found them on the www.jt30.com site, but it's just 500k again. -- Gruß,Frank