This setting appears elsewhere in this section. This was obtained from Texas documentation from the 90s. The activation time is given by R1 and C1 and in this case it is in the order of a few minutes.
This circuit makes use of a mechanical delay line to produce the reverberation effect. This is a...
This circuit was found in an American documentation from 1975. The components of the time can no...
The oscillator circuit is an ICM7556, the dual CMOS version of the 555. The frequency depends on...