The Tarbell Cassette Interface is an expansion card for use with the Altair 8800 early personal computer, or other systems using the Altair's S-100 bus. It was designed by Don Tarbell[1] and sold by Tarbell Electronics as early as 1976.[2] At the time, it was considered to be fast, reliable, and popular. While supporting the 1975 Kansas City (Byte/Lancaster) standard, it also introduced a much faster Tarbell standard which became a de facto standard for compact cassette data storage.[3] [4]
Tarbell also sold other products, including TARBELL CASSETTE BASIC in 1978[5] and a Shugart Associates-compatible dual disk drive subsystem. The latter includes a Tarbell floppy disk interface, said to plug into any S-100 bus computer, introduced in 1979.[6]