Maestro PS-1B Phase Shifter Guitars The amp has had black

The amp has had black paint spattered on it at some point

It's a ground-breaking historic analogue drum synth with onboard sequencer

as has the pin matrix

calibrated

huge tones with great break-up when pushed hard

Maestro PS-1B Phase Shifter Guitars The amp has had blackRare later version of the classic Maestro phaser. The PS 1B is the same as a PS 1A but the with addition of a knob to give variable phasing rate. The PS 1A is still one of our "go to" phasers and had plenty of the the standard PS 1A units through. Produced in the 70s and designed by Tom Oberheim (but although for a US brand they were actually made in Japan), they have a fabulous lush warm sound and three switchable settings. The variable speed control