This circuit is from an Electronics World of 1967. The described calculations can be applied to equivalent circuits with modern transistors.
This circuit was obtained from an 80s factory manual. The integrated circuits used are uncommon...
This circuit makes use of a mechanical delay line to produce the reverberation effect. This is a...
September 2017 - Littelfuse's Polyswitch SMD Resettable PTCs can now be purchased from Mouser...