This circuit activates a relay after a time given by C1 and R1. The circuit is from a Radio Electronics from December 1974. The relay voltage is the same as that used in the power supply.
This power source is indicated for the supply of the previous circuit (CB19638E), but it is also...
This mechanical reverberator circuit for guitar was found in the February 1970 issue of Radio...
Found in a 90s American documentation, this circuit consists of a trigger that generates...