Category Archives: stone

STONE GROOVE Real 12AX7 Gain 18V Tube Overdrive Distortion Guitar Effect Pedal


I design and build these myself. The Stone Groove is the ultimate in real tube warmth and high gain distortion / overdrive pedals. It has 18VDC and takes any 12AX7 / ECC83, with zero unwanted noise. Our gold capacitors and glass resistors are…