The B K Butler Tube Driver has been used by several of Rock Guitar's greats - David Gilmour and Eric John… | Guitar pedals, Guitar effects pedals, Distortion guitar
BUTLER AUDIO Original Tube Driver | Deluxe Guitars
Buy Used B.K. Butler Tube Driver Overdrive Guitar Effects Pedal | Sam Ash Music
BK Butler 911 Tube Driver Reissue with Bias Knob | Reverb Italia
NPD: BK Butler Tube Driver. Some thoughts and comparisons to TD-like pedals within : r/guitarpedals