This interesting transistor circuit has several effects and an included amplifier. The circuit is monophonic and powered by standard batteries. The number of keys can be changed.
The frequency of this circuit is determined by the 100 uF capacitors. These components can be...
This crystal-controlled 1000 kHz oscillator was found in 1980s American documentation. The...
This circuit was obtained from an American documentation from 1976. The circuit has a dynamic...