====== Sony MDS-501 ======

{{page>equipment:infobox_deck}}

Features: ATRAC-2. Pulse type A/D converter. Hybrid pulse D/A converter. 45 bit digital filter. Jog dial for AMS, editing and title inputs. 25 track programming. Shuffle play. Music scan. Date function for archival purposes. Title input for disc and track records up to 1700 characters per disc and looper title, U/L case and numbers. Record level control. Remote commander remote control RM-DM1.

Notes: The 501 will save TOC information after the power is turned off only if the recorder had actually been set to timer-recording when the unit was turned on and recording had begun. Otherwise, power can be removed to "undo" an edit (or a recording!) on this machine. European version has a sampling rate converter, US version does not.

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Mic *1  Input Impedance: 600 ohms, Rated input 0.8mVrms, Minimum input 0.25 mVrms\\
Line In Input Impedance: more than 47 kilohms, Rated input 500 mVrms, Minimum input 158 mVrms\\
Digital In: Optical wave length 660nm\\
* Except US, Canadian model only

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Mechanism Type: MDM-1C\\
Base Unit Type: MBU-1A\\
Optical Pickup Block Type: KMS-140B\\
Revolutions: 400 to 900 RPM CLV\\
ATRAC IC: CXD2531BR
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Content adapted from: [[https://www.minidisc.org/part_Sony_MDS-501.html | Minidisc.org Page]]
[[https://uni.5ch.net/test/read.cgi/newsplus/1359612616/617| 5ch thread]]
{{:equipment:sony:deck:sony_mds-501_review_-_stereo-review-1994-03.pdf | Stereo-Review-1994-03}} - Release date estimated based on this review.
===== Manuals =====

  * {{ :equipment:sony:decks:mds-501_1_.pdf | MDS-501 User manual}}

  * {{ :equipment:sony:deck:mds-501.pdf | MDS-501 Service manual}}

===== Repair =====

[[https://web.archive.org/web/20000303032830/http://www.hip.atr.co.jp/~eaw/minidisc/mds501_test_mode.html| Service Mode info]]

===== Photos =====

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