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Along with the PS-1A, the Maestro PS-1B were the companion pedals to the standard PS-1 Phase Shifter, and precedent to the Moog-designed MP-1 Phaser of the late '70s. 

Years of Production: ca. 1970s

Product Specs

  • PS-1B Phase Shifter
  • Black
  • 1970s
Made In
  • United States

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