Used Bk Butler TUBE DRIVER W/ BIAS Effect Pedal

Used BK Butler Tube Driver w/ Bias in great condition. This legendary overdrive pedal features a real 12AX7 tube, delivering warm, rich tones perfect for blues, rock, and classic lead sounds. The Bias control adds extra flexibility for shaping harmonic content, while standard Gain, Tone, and Level knobs provide precise sonic control. Built in the USA and known for its creamy distortion and dynamic response, this pedal is a favorite among tone purists and professionals.