Source: MiniDisc Wiki contributors · September 3, 2026 snapshot · CC BY 4.0, except where otherwise credited.
Attribution and changes
Adapted from “Sony MDX-U1”. 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-U1 |
|---|---|
| Manufacturer | Sony |
| Released | 1992/12 |
| Device type | auto |
| Recorder | Player |
| MDLP | No |
| NetMD | No |
| Hi-MD | No |
| Radio | Not recorded |
| Dimensions | 1-DIN 178 x 50 x 170mm |
| Weight | 1.3kg |
| ATRAC ver | 1 |
| Battery | Not recorded Not recorded |
| Battery notes | Not recorded |
| Sidecar (depr) | No |
| Voltage | 12 |
| Power cable | Not recorded |
| Price (launch) | Not recorded |
| ¥100 000 | |
| - | |
| Inputs | RCA in, Digital optical (TOSLINK) |
| Outputs | Not recorded |
| Control | Not recorded |
First MD auto unit. There is also a MDX-U1RDS variant. Does not have an amplifier.
Features:
- 4-mbit shock resistant memory
- 1 bit DAC
- Supports Sony Unilink control of CD/MD changers.
- Has RCA in and optical input through the use of a proprietary adapter.
- 24 station presets (18 FM, 6 AM)
- Intro scan function - plays the first 10 seconds of each track
- Telephone mute function - decreasing the volume automatically during a telephone call
- Detachable Front Panel
US, Canadian, Europe FM range: 87.9 - 107.9 MHz. AEP: 87.5 - 108.0 MHz
Wireless remote: RM-X27 (no known substitutions).
Optical Block: KMS-150A (Consistently printed KSM-150A in the operation manual) ATRAC IC: CXD2527R
Ad on page130 shows the MDX-U1 was still for sale in 03-1994
Content adapted from: Minidisc.org page Mentioned in 2002 press release Sony brochure (Japanese) MDCon's Sony MDX-U1 Review by Eddie Chan
Manuals
MDX-U1 User manual (multi-language)
Sony MDX-U1 Operation Manual (something between a service manual and technical training manual)
Sony MDX-U1 Service Manual Supplement 1 Supplement 2 Supplement 3 Correction 1
Repair
Photos
Korean listing:
Russian listing:
Sony press image in avif — unavailable in this snapshot
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