Stereo Tape Recorder (1972)
The TEAC A-4070G is a 2 channel, 4 track tape deck capable of both bi-directional recording and playback.
It employs a three motor mechanism, solenoid operated, with auto reverse in either direction, automatic repeat and continuous play capability.
The basic design of the A-4070 is highly similar to that of the A-4070G.
Track system: 4-track, 2-channel, stereo system
Heads: 2 x erase/record, 2 x playback
Motor: 2 x reel, 1 x capstan
Tape speeds: 3 3⁄4 7 1⁄2 ips
Wow and flutter: 0.06% (7 1⁄2 ips)
Frequency response: 30Hz to 20kHz (7 1⁄2 ips)
Signal to Noise Ratio: 48dB
Input: 100mV (line), 0.3mV (mic)
Semiconductors: 32 x transistors, 16 x diodes
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