Retro-Sonic Stereo Chorus



Offering Distinctive lush chorus, amazing vibrato, the RetroSonic Chorus Ensemble is the only true reproduction of the 1976 CE-1 using the original analog BBD.

This pedal provides the distinctive lush chorus, and true pitch-shift vibrato, of the late seventies “CE-1” using the same analog BBD as the original unit. The Chorus Ensemble’s unique tone is the standard by which all other chorus effects are measured. The Retro-Sonic Chorus is capable of a wide range of sounds from analog chorusing to pulsating vibrato, having the unique Vibrato feature that was incorporated on the original which can simulate a Leslie rotating speaker. The chorus and vibrato functions are selectable through a footswitch control, allowing desired presets to be maintained separately.


  • Chorus and vibrato effects selectable by footswitch control

  • Mono and Stereo Outputs

  • Overall Level control to adjust perfect unity gain

  • Heavy duty foot switch

  • Speed indicator LED for Chorus/vibrato setting

  • Powered by 9VDC adapter (not-included)

  • Uses MN3002 BBD as original CE-1

  • Noise Killer circuitry to eliminate noise generated in the BBD.


  • Level: Controls the over all volume of the effect. Rotate clockwise to increase output volume.

  • Chorus Rate: Adjusts the speed of the chorus when in chorus mode. *note: With the depth set to fully clockwise, this control acts as the original “Intensity” control on the “CE-1”, controlling the intensity or amount of chorus applied to the incoming signal. (Thicker sound as you rotate clockwise).

  • Chorus Depth: Adjusts the depth of the chorus when in chorus mode

  • Vibrato Rate: Adjusts the speed of the vibrato when in vibrato mode

  • Vibrato Depth: Adjusts the depth of the vibrato when in vibrato mode

  • Normal/Effect Switch: Stepping on the switch turns the effect on and off

  • Chorus/Vibrato: This switches between the chorus and vibrato effects.

  • Chorus/Vibrato LED: Just like the original, this LED will flash in accordance to the speed setting of the active chorus or Vibrato effect.

  • Stereo: Output jack to connect to the input of a second amplifier for stereo use (wet/dry signal out)



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