TU70 Magnetic Tape Drive

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Tape density: 800/1600 bpi
Tape speed: 200 ips (Forward/Reverse)
640 ips (Rewind)
Data rate: 320KB/sec
Size: 31"W x 30"D x 60"H (to base of operator panel)

The TU70 Magnetic Tape Drive was a 9-track auto-loading magnetic tape drive sold by DEC. It was OEMed from Storage Technology Corporation; the STC 3470 model. The TU70 supported 9-track operation at 800 bpi (using NRZI encoding) or 1600 bpi (using PE).

For use on the PDP-10, it used a TX01 Magnetic Tape Controller, which in turn was connected to a DX10 Data Channel, or a TX02 Magnetic Tape Controller, which connected to a DX20 Programmed Device Adapter.

The tape transport utilized a single capstan, with air bearings, and two vacuum columns.

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