This is an improved version of the previous circuit also found in the December 1990 Radio Electronics magazine. The duty cycle is also 50%.
Pressing S1 stops the circuit. This circuit was found in the October 1992 issue of Radio...
This bass booster preamp is from an English publication (1966). We can mount it with more modern...
This circuit was obtained in a documentation from the 80's. The components used are of the time,...