Reader DJ Larson (Gemini Horror) shared this video, demonstrating Pitch and CV mods for a cassette tape player.
He demonstrates the process with a GE Variable Speed Cassette Dictation Recorder Player, but others have done similar mods with other tape players.
Larson mentions a couple of related videos, which we have embedded below:
Chris Randall’s Voltage-Controlled Cassette Deck:
Simon The Magpie’s DIY Line Out On Anything:
