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Colorsound Chuck-a-Wah
Submitted on March 23, 2004.
Pictures
)
Controls
- Knob
- Controls how much the filter moves in response to the input signal.
- Switch (not on all models)
- Switches between 2 types of filters (bandpass and lowpass) or between 2 bands (low & high)
various
- there are 2 types of Chuck-A-Wahs: one using a LED and photo resistor to control the filter, the other using a FET (with high / low band switch).
- The Chuck-a-Wah was made from 1975 to 1977.
- a 1977 Colorsound brochure:
An interesting device for use with electric guitars, bases, pianos and organs. The unit has a special type of sound filter triggered by the output of an instrument, the harder you play the more effect obtained.
Documentation
- schematics (version with FET)
- schematics (version with LED / Photo-resistor)
- schematics available at Schematic Heaven
- schematics available at Schematic Heaven
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Colorsound Chuck-a-Wah
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