Petersen Engineering Spectra Equipoise - Spectrum Clone

Various

Petersen Engineering

Spectra Equipoise information:

  • Modernised clone of a Boss SP-1 Spectrum, first released in 1977, and discontinued in 1981.
  • The Spectra Equipoise is a Parametric Equaliser with only two controls.
  • Frequency knob sets the boosted frequency between 500Hz and 5kHz.
  • Balance knob adjusts dry-to-wet signal ratio, boosting the frequencies with fixed gain and frequency width.
  • Function Similar to a fixed wah
  • True Bypass footswitch
  • Lightplate illuminates red when pedal is on
  • Standard 9v DC power supply for pedals (Boss style 2.1mm barrel plug with a negative tip orientation)

All of our pedals are hand assembled in the UK.

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