Maestro PS-1A Phase Shifter Vocoder It’s pleasing to find that

It’s pleasing to find that the range of all three controls extends beyond safe and sensible territory…"

Price includes the fitting of a new 120 or 240v transformer (synth is currently 100v)

allowing up to 1000 m/sec delay time with CV inputs for control via an expression pedal or CV/Midi (separate Midi to CV converter required for Midi control)

This is a rare find - a boxed and near mint Ace Tone FR-3 dating from c1967

but was well-worth the effort and grey hairs because the sound is truly superb

Maestro PS-1A Phase Shifter Vocoder It’s pleasing to find thatClassic 70s phaser. Just three settings, because thats all you need! Serviced and ready to ship.