This circuit controls the passage of the signal from one speaker to another. The potentiometers must be of wire 50 to 100 ohms with dissipation according to the power of the sound system.
This circuit was found in a documentation from the 90's. Power is included, and the regulating...
We find this circuit in the 80s used integrated circuit manual itself. The integrated circuit is not...
This sweep generator or current-controlled oscillator was found in Popular Electronics from...