Sony MDX-M690

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

Attribution and changes

Adapted from “Sony MDX-M690”. 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	MDX-M690
Manufacturer	Sony
Released	2001/05
Device type	auto
Recorder	Player
MDLP	Yes
NetMD	No
Hi-MD	No
Radio	Yes - 88-108MHz
Dimensions	1-DIN W 182 × H 53 × D 160mm
Weight	1500
ATRAC ver	Type-R
Battery	Not recorded Not recorded
Battery notes	Not recorded
Sidecar (depr)	No
Voltage	12
Power cable	Not recorded
Price (launch)	Not recorded
Price (launch)	¥69 000
-
Inputs	Not recorded
Outputs	RCA out, Speaker amplifier
Control	3.5mm control

Main Features:

Multi language
SSIR-EXA ABC tuner - Can adjust the tuner bandwidth depending on current environmental conditions.
FM-18/MW-6/LW-6 Presets - using BTM (Best Tuning Memory)
Improved sound quality and adjacent station interference result.
DAB control
RDS/EON.
Multi colour display / Dot matrix display - Contrast Adjustment
Display dimmer - Key Illumination: red
Safety Commander interface: 3.5 mm
Sensor for IR commander (Hi-Band), Infra red (Hi-Band)
Removable front panel, Clock
Telephone Attenuator

MiniDisc: MDLP, Shock Resistant memory: 4 Mbit, 10 sec, Wide Bit Stream, Data Compression: ATRAC, ATRAC3, Digital filter: 8 fs, D/A conversion: 1 bit Frequency response: 10-20000 Hz, Signal to noise ratio : 90 dB, Repeat, Shuffle.

CD Changer Control: CD Text, Custom file, CD/MD List function, CD Title/Scroll, Repeat, Shuffle. Amplifier: DSO (Dynamic Soundstage Organiser), EQ-7 (7-band Equalizer), separate Bass, Treble control, Loudness, Pre-amp output: Front and Rear (HPF - swicthable Highpass), Mono sub-output and swicthable Low Pass filter, Sub volume control. 4 x 27 W output power, 4 x 52 W maximum.

Model Name Using Similar Mechanism: MDX-CA680
Base Mechanism Type: MG-164MA-138
Optical Pick-up: KMS-241C
ATRAC IC: CXD2662R

Content adapted from: Minidisc.org Sony.co.uk Autosound Magazine Review A tourist model was released in June 2001 A tourist model was released in June 2001 (MiniDisc Wiki mirror)