Vintage 1970s Maestro PS-1A Effect Pedal

Take home this vintage 1970s Maestro PS-1A Phase Shifter in good condition. One of the earliest dedicated phaser pedals, the PS-1A is known for its rich, warm analog modulation and unmistakable vintage character that helped define the sound of the 1970s. This pedal shows cosmetic wear consistent with its age, including scratches, scuffs, and finish wear, but remains in good overall condition. It has the classic wedge-shaped Maestro enclosure with vintage styling and delivers the lush, swirling phase tones that have made these pedals highly sought after by collectors and players alike. The PS-1A features three selectable phase modes, ranging from subtle movement to deep, dramatic sweeps, making it an excellent choice for classic rock, psychedelic, funk, blues, and experimental sounds. Its all-analog circuitry produces a smooth, organic modulation that stands apart from many modern effects. Whether you’re looking to add authentic vintage phase tones to your pedalboard or expand a collection of classic effects, this 1970s Maestro PS-1A is a timeless piece of pedal history that’s ready to inspire.