Technics RS-M85
Quartz-Controlled Direct-Drive Cassette Deck. Very rare. 2 motor, Quartz Lock, SX head, stereo. 1977
1. Eject
2. Power
3. 1/4" headphone
4. Counter reset
5. Pause
6. Stop
7. Record
8. Fast forward
9. Rewind
10. Play
11. Bias adjust
12. 3 position tape select = CrO2 / FeCr /
13. 3 position meter switch = bright / peak / dim
14. 3 position function switch = memory rewind / off / timer record
15. 3 position Dolby switch = filter in / filter out / off
16. 3 position input select switch = mic / line / rec mute
17. Left mic 1/4" jack
18. Right mic 1/4" jack
19. Left / Right input level
20. Output level
21. Dim / bright meter light
22. Left and right inputs
23. Left and right outputs
24. Remote control jack
Specifications:
System: Compact Cassette
Cassette Recorder
Motors: 2 (1x Quartz-PLL brusless DC for capstan; 1x coreless DC for reel drive)
Heads: 2 (1x SX Sendust Extra (rec/play); 1x double-gap ferrite (erase))
Tape Speed cm/s.: 4.8 cm/s.
Wow and Flutter: 0.12 (WRMS)
Frequency Response
Frequency Response FeCr: 20-16.000 HZ
Frequency Response CrO2: 20-18.000 HZ
Noise Reduction: Dolby B
Signal-to-Noise Ratio B: with Dolby B 69 (CCIR)
Bias Frequency: 90 kHz
Input Impedance Line In: 68 kOhms
Input Sensitivity Line In: 60 mV
Output Impedance Line Out: 22 kOhms
Output Sensitivity Line Out: 700 mV
Dimensions in mm: 450 x 97 x 403 (w) x (h) x (d)
Weight in Kg: 10.5 Kg