Ampex reel tape recorders • the Museum of Magnetic Sound Recording

Museum of Magnetic Sound Recording - interview with Martin Theophilus

1935: Audio recorder uses low-cost magnetic tape, The Storage Engine

AMPEX Model 200/200A Tape Machine

Type A videotape - Wikipedia

Martin Theophilus of The Museum of Magnetic Sound Recording, Part Two – PS Audio

Reel to Reel Tape Recorder Manufacturers - Ampex Electric and Manufacturing Company - Museum of Magnetic Sound Recording

Reel to Reel Tape Recorder Manufacturers - TEAC corporation • Tascam - Museum of Magnetic Sound Recording

Martin Theophilus of The Museum of Magnetic Sound Recording, Part Two – PS Audio

Reel to Reel Tape Recorder Manufacturers - TEAC corporation • Tascam - Museum of Magnetic Sound Recording