Vinyl records and turntables utilized analog technology to record and play back audio. Sound was encoded as variations within the tracks of a phonograph record, and needles sensed these variations. Early records rotated at 78 RPM but fast…
A U-Matic recorder and player made by Sony that can be used with SP or non-SP videocassettes. A U-Matic is an analog recording videocassette format that was one of the first video formats to contain the videotape inside of a cassette. The…
The U-Matic video cassette formate was introduced by Sony and an improved version of the U-matic was introduced in 1986. This improved formate was called the SP, instead of 3.8-5.4MHz recording frequency the SP has a 5.0-6.6MHz. These tapes…
Five bulletins from Specific Products that advertise their speed chassis product, and many accessory components. The speed chassis is used for experimental circuits, temporary apparatus, permanent equipment, bench modes, and rack models.