Maestro (effects) Phaser e shifter in vendita in Italia

At least 5 Reverb results for Maestro octave and pitch effects
70s  vintage - Maestro Octave Box for sale

70s vintage - Maestro Octave Box

Maestro Octave Box 1974 for sale

Maestro Octave Box 1974

Maestro RM-1 Ring Modulator - 1970's - for sale

Maestro RM-1 Ring Modulator - 1970's -

Maestro Ring Modulator RM-1B (Oberheim) for sale

Maestro Ring Modulator RM-1B (Oberheim)

Maestro OB-2 70’s for sale

Maestro OB-2 70’s

At least 2 eBay results for Maestro octave and pitch effects
Maestro Stage Phaser MPS '70 made in USA vintage for sale

Maestro Stage Phaser MPS '70 made in USA vintage