Sirkut Electronics Photo Theremin
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Pint sized photo/optical theremin. Circuit based on discontinued IC which allows for less components, hence the small size of it. Following features include: 1. Pitch Knob - allow you to raise or lower the pitch with either the photocell on or off 2. On/Off switch 3. 2 tone switches, allows you to change the base frequency(up to 4 different tone bases) 4. Photocell on/off (turns off the photocells so you can adjust the pitch with the knob only) 5. 1/4" jack 6. Very small! Length and height are smaller than the dimentions of a cd case. Fits into palm of hand.
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