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Death by Audio Photo Modulator Controller

Listing photo · Chicago Music Exchange

Other / Modern / year unspecified

Death by Audio Photo Modulator Controller

$39

Seller's listed price. Shipping, import charges and taxes may apply.

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Last observed 26 Oct 2026. Last verified as available on the seller's page 28 Oct 2026. Confirm current availability with the seller.

Brand in listing
Other
Category
Effects unit
Condition
New
Source country
US
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From the listing

Seller's description

Turn Light into Control The PHOTO MODULATOR is a compact, light-sensitive controller that allows you to manipulate expression pedal-compatible effects using any light source. Shine a bright light - such as a strobe, flashlight, stage light, or even a lava lamp - onto the sensor to sweep your effect one way. Cover it in shadow, and it sweeps the other. It works just like an expression pedal: light = toe down, dark = heel down. Housed in a right-angle ¼” jack for an ultra-small footprint, it’s easy to aim the sensor at your desired light source. No batteries required. Details The PHOTO MODULATOR uses a passive photoresistor circuit to allow almost any expression pedal-compatible pedal to be manipulated by light. Shining a bright light on the lens simulates putting your toe down on an expression pedal, and covering it in darkness simulates putting your heel down. This means you can connect the PHOTO MODULATOR to the ROOMS, EVIL FILTER, the new CROSSOVER FUZZ, or many of your favorite expression-control pedals and to instantly open it to the endless possibilities of light control! Electrical Details The PHOTO MODULATOR uses a cadmium-sulfide photoresistor connected between the tip and ring of the ¼” jack. Its resistance changes with light: Bright light: 1MΩ A 47kΩ resistor connects the ring to the sleeve, mimicking the behavior of the potentiometer found in most passive expression pedals. This configuration ensures compatibility with a wide range of effects that accept standard expression pedal input. Physical Details Dimensions: 2.6” x 1.9” x 0.6” Weight: 0.09 oz.

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