Capstan Motor Rebuilding

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Complete refurbishing of the Capstan Motor assembly.  Includes new precision bearings and resurfacing of the commutator.

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Reeling Motor Rebuilding

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New precision bearings and commutators machined to 0.001″ total indicated readout.

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Turntable Resurfacing

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Surface machined to 0.001″ lateral run-out with new high-traction cork pads.

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Tension Arm Rebuilding

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Complete disassembly of the tension arms – original press-fit version or spring clip revision. Assemblies are cleaned, bearings replaced, and tape guide mounts are resurfaced.

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Timer Wheel Refurbishing

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Assembly is ultrasonically cleaned and rebuilt with new class 5 bearings.

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Tape Guide Refurbishing

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Disassembly and ultrasonic cleaning of all tape guide components. Tape guides are rebuilt using new class 7 bearings and new shims to OEM specification. **Note: Early revision tape guide assemblies cannot be rebuilt. See photos below:

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Capstan-Tachometer Glass Centering

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ATR Services can mount new precision glass encoder discs to used, good condition capstans.  Our centering method results in the lowest component and overall flutter specifications possible.

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Encoder Grating Installation

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It is sometimes necessary to replace a cracked encoder grating on the Capstan Tachometer Sensor PWA.  Let ATR Services ensure proper replacement.

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Archival Modification Kit

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Our transport modifications for Archival Version ATR-100s can be added to any machine.  Modifications include:  Reverse-Play Mode, Spooling Speed Select, Play-Pack Mode and Soft Servo Engage.

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Power Supply Rebuild

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Includes new AC power switch, fuses, filter capacitor and rectifying diodes.  Also available as a kit.

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I/O Module Refurbishing

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New fuses, meter bulbs and filter capacitors.  Ultrasonic cleaning of manual adjustment knobs, repainting and silk-screening of I/O Module face plates.  Option to include new VU meter scale plates and orange lenses.

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Electronics PWA Refurbishing

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Replacement voltage rail filter capacitors, 12V voltage regulators and other commonly degraded components.  Includes Ampex Field Engineering Bulletin updates and modifications and detailed cleaning.

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Control Unit / Remote Refurbishing

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New momentary switches and overlay.

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Search-to-Cue Refurbishing

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New momentary switches, tantalum capacitors and overlay.