Technics RS-M70
¥ 99,800 (around 1978)
Commentary
Stereo cassette deck equipped with digital electronic echo microphone mixing function.
It is equipped with a digital electronic echo microphone mixing function which can mix and play back various tapes by applying echo to the microphone.
It is equipped with a pure electronic full-scale echo device and the echo time can be adjusted.
Equipped with a music selector, it can digitally detect the head of a song and automatically play from that position.
Equipped with a tape pitch control function that can change the tape speed.
The drive motor is a digital FG servo motor.
An HPF head has been adopted for the head.
Equipped with Dolby NR as a noise reduction system.
Equipped with MIC/LINE mixing circuit that can perform fade in / out, etc.
It is equipped with a memory autoplay mechanism that can automatically play the tape from the desired position.
Equipped with a transistor-type muting circuit to prevent click noise during operation.
Adopts a timer standby mechanism and can record absence by connecting an optional timer.
Model Rating
| Type | Stereo cassette deck |
| Head configuration | Recording / reproducing : HPF head For Erase : Double Gap Ferrite |
| Motor used | Digital FG サーボモ Ter |
| Recording bias system | AC bias system |
| Erase Method | AC erasing system |
| Frequency characteristic | Normal : 20 Hz to 15 kHz CrO2 : 20 Hz to 17 kHz |
| Signal-to-noise ratio | 57 dB (XA tape, peak level) Dolby NR in : 10 db improvement (5 khz) |
| Wow and flutter | 0.05%WRMS |
| Input Sensitivity / Impedance | Mic : 0.25 mV (-72dB) / 400 Ω ~ 20k Ω Line in:60mV(-24dB) |
| Output Level / Impedance | Line out : 420 mv (-7.5 db) / 47k Ω or more Headphone : 60mV/8 Ω |
| Semiconductor used | Transistor : 58 pcs IC : 8 Diode : 11 units |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 11W |
| External dimensions | Width 466x Height 155x Depth 267 mm |
| Weight | Approx. 8.8 kg |