Operation manual (OIM-1005E)
Covers the first-generation MX-5050
Read the digital editionDownload PDFDownload the 1200 dpi scan (46 pages, 143 MB)
Instruction and preventive maintenance manual (OIM-1004E)
Covers MX-5050 2SD₂ (MKII-2), QXD, ½QXD (MKII-4) and 8SD
Includes preventive maintenance and four fold-out schematic and wiring sheets.
Maintenance manual (2S, 4S, 2SD & 4SD)
Covers models 2S, 4S, 2SD and 4SD
Read the digital editionDownload PDFDownload the 1200 dpi scan of my paper copy (87 pages, 252 MB)Download the Parts List & Schematics volume (1200 dpi, 30 pages, 93 MB)
Tape transport schematic (TD-5050)
Download PDFDownload the cleaned raster edition (3.7 MB)Download the original-tone scan (8.7 MB)Download the earlier separately-sourced scan (1.8 MB)
Tape transport schematic — DC-capstan models (TD5050DA)
Download PDFDownload the cleaned raster edition (3.9 MB)Download the original-tone scan (6.3 MB)
Record/Reproduce electronics schematic (AF230A)
Download PDFDownload the cleaned raster edition (3.9 MB)Download the original-tone scan (6.2 MB)
Service training binder
Covers the whole MX-5050 line
Maintenance manual supplement (OMM-1002E)
Covers MX-5050 2SD₂ (MKII-2), QXD, ½QXD (MKII-4) and 8SD
Section 7 schematics and PCB X-ray views, redrawn
Covers the QXHD
Community submission · from Chris, a QXHD owner in Delaware
Specification Sheet S-111 (August 1976)
Covers MX-5050-FL, 2S and 4S
Read the digital editionDownload PDFDownload the 1200 dpi scan (2 pages, 20 MB)
Sales brochure — Compact Professional Tape Recorder (B-103A, September 1975)
Covers the MX-5050 line, including the four-channel QX
Read the digital editionDownload PDFDownload the 600 dpi assembly (5 pages, 57 MB)
Sales brochure — Compact Professional Recorder (S-117A, April 1978)
Covers MX-5050-FL, -2SH, -2SL and -2SHD
Read the digital editionDownload PDFDownload the 600 dpi assembly (5 pages, 50 MB)
Sales sheet S-110A — MX-5050-8 Compact Eight Channel Recorder (January 1978)
Covers the compact eight channel recorder
Audio, April 1976 · scan pages 56-58Review
Equipment Profile: Otari MX-5050-2SH
The US review — manufacturer's specifications, bench measurements, and Use and Listening Tests.
Read the MX-5050 excerptView source PDF ↗Download the full issue (PDF, 8.7 MB)
Electronics Australia, June 1976 · scan pages 23Review
Otari MX-5050 Professional Series Two-Speed Tape Recorder
The Australian review — of the MX-5050-2SHT, the designation on this site's own machine.
Read the MX-5050 excerptView source PDF ↗Download the full issue (PDF, 19 MB)