This circuit monitors the output of a stereo amplifier, checking the balance and balance between the channels. The circuit is from American documentation from the 70s.
This circuit has already been explored in other articles on this site. The high power is due to...
This circuit was obtained in a 1978 magazine, but it can be easily assembled. What the circuit does...
This circuit is from a 1988 documentation, but uses components quite common today. The circuit...