¼″ 2-channel
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Instruction manual (OS1-011)
Covers MX-5050 Professional Recorder
Also includes electronic alignment and schematic sheets.
Service training binder
Covers the whole MX-5050 line
Maintenance manual (OS2-004)
Covers the MX-5050B series
Read the digital editionDownload the 600 dpi scan (98 pages, 92 MB)Download the 1200 dpi scan (98 pages, 312 MB)Download the earlier image-only scan the edition was transcribed from (101 pages, 32 MB)
Tape transport T5061, DC servo capstan models (MX-5050B-2HD, 2LD, 4LD, FHD, FLD)
Covers the MX5050B-2HD, 2LD, 4LD, FHD and FLD
The transport's wiring sheet for the DC servo capstan B machines.
Tape transport T5063, hysteresis synchronous capstan models (MX-5050B-2H, 2L, 4L)
Covers the MX5050B-2H, 2L and 4L
The transport's wiring sheet for the hysteresis synchronous capstan B machines.
Control P.C.B. PB-42D (DC servo capstan models) and PB-42K (hysteresis synchronous capstan models)
Covers every MX5050B: PB-42D in the DC servo capstan machines, PB-42K in the hysteresis synchronous ones
The transport control board: logic, relays, solenoid drivers and power supply.
Record reproduce amplifier A1028, two-channel models (MX-5050B-2H, 2HD, 2L, 2LD, 4L, 4LD)
Covers the MX5050B-2H, 2HD, 2L, 2LD, 4L and 4LD
The audio electronics, with tables naming every adjustment pot and switch.
Sales brochure — MX-5050-B, all-new compact professional recorder (107-9-79, September 1979)
Covers the MX-5050-B
Modern Recording, June 1979 · scan pages 72–74 and 76Review
Otari MX-5050-B Open Reel Tape Recorder
A full Hands-On Report on the B: the controls and rear panel described switch by switch, a listening test against direct-to-disc, and bench figures for response and noise at both speeds.
Read the MX-5050 excerptView source PDF ↗Download the full issue (PDF, 11 MB)
The family archive also covers other models in this line.
Browse all 29 MX-5050B Period Press sightings →