Professional Stereophonic Tape Recorder
Track system: auto reverse, 4-track, 2-channel, stereo/monaural system
Heads: 2 x playback, 1 x record, 1 x erase
Reel size: up to 7 inch reel
Tape speeds: 3 3⁄4 7 1⁄2 ips
Wow and flutter: 0.15% (7 1⁄2 ips)
Frequency response: 25Hz to 20kHz (7 1⁄2 ips)
Signal to Noise Ratio: 50dB
Semiconductors: 20 x transistors, 3 x diodes, 1 x thermistor, 9 x rectifiers
Dimensions: 16 x 21 x 9 inches
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