Boss PH-1 Phaser
Boss PH-1 Phaser
Manufactured: 1977-1981
Along with the OD-1 Overdrive and the SP-1 Spectrum the PH-1 was one of first three compact foot pedals released by Boss in 1977. Made in Japan by Boss, with a simple two-knob control. It was succeeded by the PH-1R which added a resonance control.