Otari MX-5050 Mini Pro — Updateshttps://otarimx5050.com/updates/2026-09-11T00:00:00ZOtari MX-5050 Mini Prohttps://otarimx5050.com/Maintenance manual supplement (OMM-1002E) — 2 new pageshttps://otarimx5050.com/library/manuals/qxd-maintenance/component-replacement/#new-2026-09-112026-09-11T00:00:00ZMajor Component Replacement Procedures · TroubleshootingFive decibels hot at 10 kHzhttps://otarimx5050.com/log/five-decibels-hot/#new-2026-09-102026-09-10T00:00:00ZFive decibels hot at 10 kHzUpdated — Five decibels hot at 10 kHzhttps://otarimx5050.com/log/five-decibels-hot/#updated-2026-09-102026-09-10T00:00:00ZCorrected: this was the first alignment since the recap, not the first ever.Maintenance manual supplement (OMM-1002E) — 4 new pageshttps://otarimx5050.com/library/manuals/qxd-maintenance/front-matter/#new-2026-09-092026-09-09T00:00:00ZFront Matter · General Information · Performance Tests and Electronic Alignment · Tape Transport MaintenanceInstruction and preventive maintenance manual (OIM-1004E) — 2 new pageshttps://otarimx5050.com/library/manuals/qxd-instruction/installation/#new-2026-09-082026-09-08T00:00:00ZInstallation · OperationInstruction and preventive maintenance manual (OIM-1004E) — 4 new pageshttps://otarimx5050.com/library/manuals/qxd-instruction/front-matter/#new-2026-09-072026-09-07T00:00:00ZFront Matter · General Information · Preventive Maintenance and Adjustment · SchematicsMX-5050BII: the one people mean when they say MkIIhttps://otarimx5050.com/models/mx-5050bii/#new-2026-09-072026-09-07T00:00:00ZMX-5050BII: the one people mean when they say MkIIThe announcer was slowhttps://otarimx5050.com/log/the-announcer-was-slow/#new-2026-09-062026-09-06T00:00:00ZThe announcer was slowThe meters mean something nowhttps://otarimx5050.com/log/vu-meter-calibration/#new-2026-09-062026-09-06T00:00:00ZThe meters mean something nowThe reference tapes, at the right speedhttps://otarimx5050.com/log/the-right-speed-reference-tapes/#new-2026-09-062026-09-06T00:00:00ZThe reference tapes, at the right speedMark II: the desk-top first generationhttps://otarimx5050.com/models/mark-ii/#new-2026-09-042026-09-04T00:00:00ZMark II: the desk-top first generationMX-5050-8 / 8D: the half-inch eight-trackhttps://otarimx5050.com/models/8d/#new-2026-09-042026-09-04T00:00:00ZMX-5050-8 / 8D: the half-inch eight-trackMX-5050B: the plain Bhttps://otarimx5050.com/models/mx-5050b/#new-2026-09-042026-09-04T00:00:00ZMX-5050B: the plain BQX / QXD / QXHD: the quarter-inch four-channelhttps://otarimx5050.com/models/qxd/#new-2026-09-042026-09-04T00:00:00ZQX / QXD / QXHD: the quarter-inch four-channelOperation manual (OIM-1005E) — 5 new pageshttps://otarimx5050.com/library/manuals/mini-pro-operation/front-matter/#new-2026-08-162026-08-16T00:00:00ZFront Matter · General Information · Installation · Operation · Preventive Maintenance and AdjustmentsThe operation manual surfaceshttps://otarimx5050.com/log/the-operation-manual/#new-2026-08-162026-08-16T00:00:00ZThe operation manual surfacesThe reference tapes arrivehttps://otarimx5050.com/log/the-reference-tapes/#new-2026-08-142026-08-14T00:00:00ZThe reference tapes arriveSales brochure — Compact Professional Recorder (S-117A, April 1978) — 5 new pageshttps://otarimx5050.com/library/manuals/brochure-1978/cover-and-introduction/#new-2026-08-112026-08-11T00:00:00ZCover & Introduction · Features in Detail · Mounting Configurations & Ordering · Production Features · SpecificationsSales brochure — Compact Professional Tape Recorder (B-103A, September 1975) — 4 new pageshttps://otarimx5050.com/library/manuals/brochure-1975/cover-and-the-sensible-alternative/#new-2026-08-112026-08-11T00:00:00ZCover & The Sensible Alternative · Features in Detail · Performance Specifications · Production FeaturesThe first brochure: Specification Sheet S-111https://otarimx5050.com/log/the-first-brochure/#new-2026-08-112026-08-11T00:00:00ZThe first brochure: Specification Sheet S-111The other two brochureshttps://otarimx5050.com/log/the-other-two-brochures/#new-2026-08-112026-08-11T00:00:00ZThe other two brochuresSpecification Sheet S-111 (August 1976) — 4 new pageshttps://otarimx5050.com/library/manuals/spec-sheet-1976/electronics/#new-2026-08-102026-08-10T00:00:00ZElectronics · Introduction & Features · Physical & Price · TransportPaper arriveshttps://otarimx5050.com/log/the-paper-manuals/#new-2026-07-242026-07-24T00:00:00ZPaper arrivesRecap completehttps://otarimx5050.com/log/recap-complete/#new-2026-07-242026-07-24T00:00:00ZRecap completeChoosing the audio capacitorshttps://otarimx5050.com/log/choosing-the-audio-caps/#new-2026-07-172026-07-17T00:00:00ZChoosing the audio capacitorsThe playback-first recap: a bench guidehttps://otarimx5050.com/log/playback-first-recap/#new-2026-07-172026-07-17T00:00:00ZThe playback-first recap: a bench guideThe eight parts that keep the switches alivehttps://otarimx5050.com/log/spark-quenchers/#new-2026-07-152026-07-15T00:00:00ZThe eight parts that keep the switches aliveAnnual Equipment Directory: the Otari listingshttps://otarimx5050.com/library/press/audio-october-1976/#new-2026-07-122026-07-12T00:00:00ZAnnual Equipment Directory: the Otari listingsFull professional performance and features in a compact package — Otari MX-5050https://otarimx5050.com/library/press/db-april-1976/#new-2026-07-122026-07-12T00:00:00ZFull professional performance and features in a compact package — Otari MX-5050Three new professional recorders from Otarihttps://otarimx5050.com/library/press/studio-sound-november-1976/#new-2026-07-122026-07-12T00:00:00ZThree new professional recorders from Otari9 outstanding reasons why you should choose Otarihttps://otarimx5050.com/library/press/db-january-1978/#new-2026-07-112026-07-11T00:00:00Z9 outstanding reasons why you should choose OtariEquipment Profile: Otari MX-5050-2SHhttps://otarimx5050.com/library/press/audio-april-1976/#new-2026-07-102026-07-10T00:00:00ZEquipment Profile: Otari MX-5050-2SHFront Matterhttps://otarimx5050.com/library/manuals/mini-pro-maintenance/front-matter/#new-2026-07-102026-07-10T00:00:00ZFront MatterMini-Pro! Little brother to the MX-7000 — the MX-5050https://otarimx5050.com/library/press/db-september-1974/#new-2026-07-102026-07-10T00:00:00ZMini-Pro! Little brother to the MX-7000 — the MX-5050Otari listingshttps://otarimx5050.com/library/press/stereo-directory-1976/#new-2026-07-102026-07-10T00:00:00ZOtari listingsOtari MX-5050 Professional Series Two-Speed Tape Recorderhttps://otarimx5050.com/library/press/electronics-australia-june-1976/#new-2026-07-102026-07-10T00:00:00ZOtari MX-5050 Professional Series Two-Speed Tape RecorderOtari Will Adapt Retailing Modeshttps://otarimx5050.com/library/press/billboard-september-14-1974/#new-2026-07-102026-07-10T00:00:00ZOtari Will Adapt Retailing ModesService training binder — 6 new pageshttps://otarimx5050.com/library/manuals/service-binder/basic-technical-concepts/#new-2026-07-102026-07-10T00:00:00ZBasic Technical Concepts for Tape Recorders · Connector Cross-Reference · Interfaces, Error Codes & Workshop Form · Guide to Part Number Prefix Letters · Parts Cross-Reference Lists · Workshop Slides — Recording TheorySurvey: Studio Mastering Machines — the Otari entrieshttps://otarimx5050.com/library/press/studio-sound-october-1976/#new-2026-07-102026-07-10T00:00:00ZSurvey: Studio Mastering Machines — the Otari entriesInside the transport buttonshttps://otarimx5050.com/log/transport-buttons/#new-2026-07-092026-07-09T00:00:00ZInside the transport buttonsMaintenance manual (2S, 4S, 2SD & 4SD) — 6 new pageshttps://otarimx5050.com/library/manuals/mini-pro-maintenance/component-replacement/#new-2026-07-092026-07-09T00:00:00ZMajor Component Replacement Procedures · General Information · Parts Lists and Schematics · Performance Tests and Electronic Alignment · Tape Transport Maintenance · TroubleshootingNew Products: the Otari MX-5050https://otarimx5050.com/library/press/studio-sound-september-1975/#new-2026-07-092026-07-09T00:00:00ZNew Products: the Otari MX-5050Finding the schematichttps://otarimx5050.com/log/finding-the-schematic/#new-2026-07-082026-07-08T00:00:00ZFinding the schematicListed as broken. The adventure begins.https://otarimx5050.com/log/listed-as-broken/#new-2026-07-082026-07-08T00:00:00ZListed as broken. The adventure begins.No dummy plug — no problem!https://otarimx5050.com/log/building-a-dummy-plug/#new-2026-07-082026-07-08T00:00:00ZNo dummy plug — no problem!Re-capping the motor run capshttps://otarimx5050.com/log/recapping-motor-run-caps/#new-2026-07-082026-07-08T00:00:00ZRe-capping the motor run caps