Makes a plucked tone in the scale of your choosing. There are three buttons: 1, 2 and 4. When you have buttons 1 and 2 down, you are playing note 3, which you can tune with trimmer pots 3 and 3. In other words, the 3 buttons are binary counters for pitch. Figure it out.
3 x pitch buttons on face, output socket on spine. Two sets of 8 trimpots on circuit board inside the case.
Powered by 9V battery or 9V DC centre-negative power supply.
Circuit: Ciat Lonbarde Gerassic Organ. Built by Paula Booker.
What is an Oscillator?