Technics RS-M51
¥ 79,800 (around 1981)
Commentary
A 3-head stereo cassette deck that supports metal tapes.
The mechanism section employs a soft tom drive that uses the rotational force of the motor to switch between head hold and reel drive.
An electronically controlled DC motor is used as the drive motor.
Equipped with an Auto-Rec sensor, the electronic circuit and digital volume can be set to the proper recording level with a single switch without requiring level adjustment.
Microphone and line selection are also automated by digital circuit.
Equipped with 2-color LED level sensor indicator.
Recording is possible with one button.
An MX head is used for recording and re-recording.
The level meter uses a peak hold 2-color FL display.
Equipped with an auto tape selector and auto input selector.
Dolby NR circuit as a noise reduction system
Equipped with a rec mute mechanism.
Equipped with 1-button timer standby mechanism.
Equipped with rewind autoplay, queue & review and autostop.
By connecting a remote controller (sold separately), you can perform poses and rec mutes from a remote location.
Model Rating
| Type | Stereo cassette deck |
| Head configuration | Recording : MX Head Erasing : double-gap Sendust ferrite head |
| Motor used | Electronically controlled DC motor |
| Frequency characteristic | Normal : 20 Hz to 16 kHz XAII : 20 Hz to 18 kHz Metal : 20 Hz to 19 kHz |
| Signal-to-noise ratio | 57 dB (XAII tape, peak level) Dolby NR in : 10 db improvement (5 khz or higher) |
| Wow and flutter | 0.05%WRMS |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | Approx. 17W |
| External dimensions | Width 430x Height 119x Depth 270 mm |
| Weight | Approx. 5.4 kg |
| Sold Separately | Remote Controller RP 9624 (¥ 3,000) |