This physical line servo control uses components that are not currently common. The circuit is from an 80's documentation and is powered by a voltage according to the servo.
Two potentiometers mounted at right angles, so that they can be operated by a lever, form a very...
This circuit is from a 2005 Linear Technology manual. The circuit uses an LT6700-3 and has an...
This circuit with RIAA equalization is from 1985 US documentation. The circuit has a flat response...