Maestro (effects) Phaser zum Verkauf in der Schweiz

At least 4 eBay results for Maestro octave and pitch effects
Maestro MSP Stage Phaser Pedal Vintage Rare #32417 for sale

Maestro MSP Stage Phaser Pedal Vintage Rare #32417

Maestro Stage Phaser MPS '70 made in USA vintage for sale

Maestro Stage Phaser MPS '70 made in USA vintage

Vintage Early 70's Maestro MINI-PHASE MPS-2 Pedal  for sale

Vintage Early 70's Maestro MINI-PHASE MPS-2 Pedal