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JSI PHASOR

6-stage OTA phase shifter, inspired by legendary PHASOR I


OVERVIEW:

JSI PHASOR is an analog six-stage OTA phase shifter, inspired by the legendary PHASOR I.

JSI PHASOR has the same simple adjustments as in the iconic original - variable SPEED pot and 3-position DEPTH. It perfectly recreates that classic '70s phase-shifting sound effect, ranging from smooth swirls to full-on bubbles.


SOUND SAMPLES:

Yamaha CP-70 - med DEPTH, med SPEED


Yamaha CP-70 - low DEPTH, semi-fast SPEED


Yamaha CP-70 - high DEPTH, various SPEED

VIDEOS:

A vs B comparison with MuTron Phasor



PETERSON with JSI PHASOR



SPECIFICATIONS:

CONTROLS

  • Potentiometer for sweep rate - SPEED
  • 3-position toggle switch for the sweep range modes - Lo, Med, Hi
  • 3PDT footswitch for true-bypass on/off with LED ring indicator for SPEED

AUDIO CONNECTIONS

  • Mono INPUT - 1/4" phone jack
  • Mono OUTPUT - 1/4" phone jack (TRS pseudo-balanced)

POWER

  • 9VDC (130mA) center negative or positive 2.1mm DC jack - (Power adapter not included)

DIMENSIONS

  • Enclosure 125B -style (130mm x 66mm x 55mm)

TECHNICAL DETAILS:

Currently we offer pre-built units only.

DIY model will be released Q4/2022

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