This circuit is placed between the instrument pickup and the amplifier input. The same version can be found from other sources in this section. This is from an English magazine from the 80s.
Found in an Electronic Design from the 90s, this circuit uses components from that time....
This timer for small intervals, but which can be increased with the increase of R1, was obtained in an...
This commercial circuit, sold under the designation H531 in Japan in the 1960s, used three...