Unusual cassette test tools | Audiokarma Home Audio Stereo Discussion Forums
Cassette Torque Meter SRK-CT Equipment Philips; Eindhoven | Radiomuseum
Vintage Audio: Cassette Torque Meter
Cassette Tapes - getting a bit technical... http://www.nakamichi.by/2015/07/ cassette-torque-meter.html thank you for the inspiration, Steven Ellis! | Facebook
KOKUSAI Cassette Torque Meter Test Tape CT-F, New | eBay