Found in Mallory documentation from 1968 this circuit uses an integrated circuit from that time. The circuit has a flat response from 10 Hz to 700 kHz.
This circuit of a few watts of power shows a typical configuration from the 70s using driver and...
Scratch and Rumble are noises that appear when recovering vinyl recordings, both due to scratches on...
This circuit, already explored on this site, can be applied to other comparators in the same...