Used Keeley Dark Side Effect Processor

Unlock rich, vintage-inspired tones with this used Keeley Dark Side Effect Processor in good condition. Combining fuzz, modulation, and delay, it delivers classic psychedelic sounds in one compact unit. Features include a multi-head tape-style delay, rotary/phaser/Uni-Vibe-style modulation, and a Big Muff-style fuzz circuit. With stereo outs and expression pedal support, it’s perfect for guitarists seeking Pink Floyd-inspired textures and versatile signal shaping. Ideal for both studio experimenting and live performance.