Source: MiniDisc Wiki contributors · September 3, 2026 snapshot · CC BY 4.0, except where otherwise credited.
Attribution and changes
Adapted from “Panasonic SJ-MR50”. Links, layout and file names normalized; missing database fields restored; remote embeds replaced with links. Manufacturer manuals and separately credited photographs retain their original attribution.
| Name | SJ-MR50 |
|---|---|
| Manufacturer | Panasonic |
| Released | 2004/11 |
| Device type | portable |
| Recorder | Recorder |
| MDLP | Yes |
| NetMD | No |
| Hi-MD | No |
| Radio | No |
| Dimensions | 80.9x88.3x23.4mm |
| Weight | 115g (142g w/batt) |
| ATRAC ver | Not recorded |
| Battery | Not recorded Not recorded |
| Battery notes | Not recorded |
| Sidecar (depr) | Not recorded |
| Voltage | 1.2, 1.8 |
| Power cable | Not recorded |
| Price (launch) | Not recorded |
| ¥32 000 | |
| - | |
| Inputs | 3.5mm line in (optical multi), 3.5mm microphone, Built-in mic |
| Outputs | Built-in speaker, other |
| Control | Not recorded |
Features:
- Built-in monaural speaker and stereo microphone.
- World's smallest and lightest MD recorder with built-in speaker and mic.
- Digital speed control allows -50%-+100% adjustment of playback rate with no change in pitch.
- Large 2-line LCD on main unit (no LCD on remote).
- "Voice operation system" will start and stop recording in response to presence of sound.
- A-B repeat function.
- Finally – an MD unit reappears with important functions available from buttons on the front panel as opposed to being buried in sub-menus. Front panel buttons appear to be Stop, Pause, Play, Record, Volume, FF/RW, Record Mode, Playback mode, Playback speed (+/-), A-B repeat
Accessories: 6-key remote, AC adapter, rechargeable battery case, carrying case, stereo in-ear phones, NiMH cell, dry-cell adapter case
Specs: Headphone amp: 5mW+5mw, Speaker amp: 120mW. Freq. Resp: 20-20kHz (+0/-6dB)
Content adapted from: Panasonic Press Release Panasonic Press Release (MiniDisc Wiki mirror) av.watch av.watch (MiniDisc Wiki mirror) Minidisc.org page
Manuals
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Photos
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