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.
I found this circuit in a Popular Electronics from November 1999. The magazine is no longer...
This circuit is from the owner's manual of the integrated circuits used. The manual is old, which...
The circuit shown in the figure consists of a low voltage dropout (LDO) regulator for 200 mA using...