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1986 bk butler tube driver
1986 bk butler tube driver








1986 bk butler tube driver

No wonder Behringer discontinued it - does any one have a schematic for it? it sounds like a badly biased germanium Rangemaster - you know, that shitty gated distortion effect in comparison to the smoooooth sounding B K Butler Tube Driver. It has a Coolaudio brand chip - unsure what it is - looks like a quad opamp SMD device in place of the B K Butler TL072 or 4558 dual opamp.ĪND. It has a crappy single knob tone control in place of B K Butlers HI and LO controls. I have to tell all here that this is not even remotely similar to the B K Butler Tube Driver.įirst it runs off 9v dc, NOT 12vAC (which is converted to +12vDC and-12vDC in the B K Butler) I purchased a Behringer VT911 and took it apart AND.










1986 bk butler tube driver