Quadradial Stereo Tape Deck (1970)
Track system: 4-track, 4-channel, stereo/multi channel system
Heads: 1 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: 0.09% (7 1⁄2 ips)
Frequency response: 20Hz to 25kHz (7 1⁄2 ips)
Signal to Noise Ratio: 55dB
Total harmonic distortion: 1.2%
Input: 60mV (line), 0.2mV (mic)
Output: 0.775V (line)
Semiconductors: 49 x transistors, 6 x diodes
Dimensions: 17 x 18-3/4 x 9-5/8 inches
Accessories: empty reel, RK-74 connecting cord, reel cap, motor pulley, demo tape
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