Ampex 600 Solid State Tape Recorder

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Jack Wernli from Ampex started development of the Model 600 series that was introduced in 1954. He is a magnetic tape recorder designed to meet the needs of both professional and non-professional users. The 600 used 7-inch reels. It was both portable and light weight at only 12.5 kg. At 30 to 15000Hz, 7-1/2 ips and 55 db signal to noise ratio, its recording / playback quality equaled that of the Model 400. (source: history of recording)

The basic version of the Model 600 is a 7-1/2 ips, full track, high impedance input portable recorder to be used with 117 v, 50 or 60 cps power. 8 tubes: 5879, 12AY7, 12AU7, 6F5, 5879, 12AU7, 12AU7, 5Y3.