Panasonic SJ-MR250

Source: MiniDisc Wiki contributors · September 3, 2026 snapshot · CC BY 4.0, except where otherwise credited.

Attribution and changes

Adapted from “Panasonic SJ-MR250”. 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-MR250
Manufacturer	Panasonic
Released	2002/07
Device type	portable
Recorder	Recorder
MDLP	Yes
NetMD	Yes
Hi-MD	No
Radio	No
Dimensions	78.2x17.9x71.6mm
Weight	97g (124g w/batt)
ATRAC ver	Panasonic H.D.E.S
Battery	Not recorded "Gumstick"
Battery notes	Not recorded
Sidecar (depr)	1xAA
Voltage	4.5
Power cable	Not recorded
Price (launch)	Not recorded
Price (launch)	¥40 000
-
Inputs	3.5mm line in (optical multi), 3.5mm microphone
Outputs	3.5mm headphone
Control	USB (on dock)

Offered in SJ-MR250-S Silver and SJ-MR250-A Blue

Features: Panasonic's first NetMD portable. Includes Panasonic's "H.D.E.S" audio compression. The unit includes docking stand and small (3cm diameter titanium cone) neodymium magnet "full range" speakers (a concept introduced on the Panasonic SJ-MJ50).

The Docking stand ("multi-cradle") incorporates NetMD PC connection, charging function (unit can be used while charging), and titling/editing keypad (titling interface based upon cellphone alpha input procedure). Capable of displaying kanji titles on LCDs of main body and remote. Remote features "one finger" control, 4 step battery level display. Divide rehearsal mode in 60ms steps. CD one-track record (record track and pause), recording level control, synchro-record, 2-step S-XBS (bass boost) and auto track-mark (3/5/10? minute) functions. Sampling rate convertor. Play modes: repeat 1/all, shuffle. Ships with BeatJam (Justsystem Inc) OpenMG compliant software for audio downloading and control of the portable. MDLP and group functions.

Included Accessories: LCD remote, AC adapter, stereo "inside-phones", attachable AA cell case, carrying pouch, USB cable, NiMH rechargeable cell, "multi-cradle" with speakers, NetMD software

Specs: Headphone amp: 3.5mW + 3.5mW
Speaker amp: 900mW+900mW, 100VAC.

Content adapted from: Panasonic Press Release Panasonic Press Release (MiniDisc Wiki mirror) Minidisc.org page av.watch av.watch (MiniDisc Wiki mirror)