I wanted to make a pedal, but it took years to come up with a method to do it the right way. I had always loved the sound of optical compressors and designed and manufactured tube units in the pro audio market for a number of years. The Compulator was born after I solved an engineering problem of biasing an optical unit with only a single 9V battery. Note: battery must have at least 7 volts for unit to work External power supply using mini plug, tip positive, 9 volt DC regulated (100 milliamp or more). To access, remove the four screws on the sides of the unit and pull apart. The unit is set at the factory at 20dB of gain which is perfect for most instruments. If distortion occurs turn this down until the signal is clean. Use this for level matching between the effected and unaffected signal.Trim pot sets the gain of the compressors pre-amplifier. Esquema Do Pedal Compulator Demeter Plus A Foot.
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