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Colortone Optical Tremolo main image

Colortone Optical Tremolo

Colortone Optical Tremolo

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Page last updated Aug 11, 2025

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Description

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Colortone’s Optical Tremolo is a wave shapeable analog tremolo effect pedal.

With an optical photoresistor at its core the Optical Tremolo produces a vibrant modulation pulse, slightly asymmetrical in shape, adding a smooth organic vintage character to the effect.

The ‘shape’ control lets you adjust the shape of the modulation curve from a smooth classic sine wave through to a square wave chop tremolo style effect.

CONTROLS

SPEED Adjust the speed of the waveform pulse SHAPE Adjust the shape of the waveform from a smooth classic sine wave to a thumping square wave chop tremolo effect. DEPTH Adjust the level of the overall effect in the output

BUILD

Optical LDR Switchcraft 1/4” Jacks Hand made Acid Etched faceplate Brushed and buffed aluminium enclosure True Bypass FootSwitch with brushed aluminium nut Blue Bypass Indicator LED Red Modulation Rate LED

TECHNICAL

9V DC (Centre Negative) Power (No Battery) Input Impedance = @ 800k Output Impedance = Less than 10k Power Consumption = 10mA NOTE: External 9V DC power only (Centre Negative). Does Not take a 9V Battery POWER SUPPLY NOT INCLUDED

Because the pedal designs are Engraved and finished by hand each unit is a unique creation.

The process, by its ‘hand crafted’ nature, bestows each pedal with its own unique charming slight defects, adding a sense of nostalgia and something ‘re-found’ to the resulting design.

Product specs

Power	9V
Bypass	true bypass
Analog/Digital	analog
Mono/Stereo	mono

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See also: Tremolo Effects Pedals, Colortone, Colortone Tremolo Effects Pedals

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