Parts, Service, Technical Support

The following procedures have been established by ATR Services founder Michael Spitz.  All work performed is intended to achieve the uncompromising standards set forth by Mike Spitz.  For pricing and lead times please feel free to contact us at (717) 852-7700 or at info@atrservice.com

Restoration Packages

Full Restoration

ATR Services Full Restoration package includes the complete tear down of the machine, rebuilding of the power supply unit, rebuilding of the capstan and reeling motors, complete wiring harness inspection and replacement of the capstan tachometer assembly with a new, high-precision rubber part.  The top deck voltage regulator and MDA output transistors are also replaced.  We also update the printed circuit boards to incorporate the latest Field Engineering Bulletins for improved reliability.  We go on to repaint the entire cabinet assembly to OEM specification, re-wrap the wrist pad using OEM vinyl and replace the control unit overlay.

Non-Cosmetic Restoration

ATR Services Non-Cosmetic Restoration package includes the complete tear down of the machine, rebuilding of the power supply unit, rebuilding of the capstan and reeling motors, complete wiring harness inspection and replacement of the capstan tachometer assembly with a new, high-precision rubber part.  The top deck voltage regulator and MDA output transistors are also replaced.  We also update the printed circuit boards to incorporate the latest Field Engineering Bulletins for improved reliability.

Head Block Assembly

Head Block Conversions

We outfit your existing ATR-100 head block assembly with new Flux Magnetics tape heads.  Includes routine head block maintenance.

Head Lapping

Send in your head assembly for inspection and re-contouring.

Routine Maintenance

Diassembly, Cleaning, Inspection and Scrape Flutter Idler Refurbishing

Customization – Routing and Switching

ATR Services can assist in creating customized head block assemblies for the ATR-100 series.  From full-track to four-track we can outfit head blocks with a variety of head formats.  Channel routing is also available, allowing for a single head to feed separate playback amplifiers.

Scrape Flutter Idler Refurbishing

Disassembly, ultrasonic cleaning, lubrication and aligment.

Transport

Capstan Motor Rebuilding

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

Reeling Motor Rebuilding

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

Turntable Resurfacing

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

Tension Arm Rebuilding

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.

Timer Wheel Refurbishing

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

Tape Guide Refurbishing

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:

Capstan-Tachometer Glass Centering

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

Encoder Grating Installation

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

Archival Modification Kit

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.

Power Supply Rebuild

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

I/O Module Refurbishing

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.

Electronics PWA Refurbishing

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

Control Unit / Remote Refurbishing

New momentary switches and overlay

Search-to-Cue Refurbishing

New momentary switches, tantalum capacitors and overlay

Additional

Mastering Trimmers for Audio Boards

Knobbed trimmers replace the reproduce section of the 2-Speed PADNET Board to allow for quick and easy adjustment to client specified tone set.

Electronics Harness Re-Pinning

Early model-year ATRs were equipped with tin-plated pins throughout the harness.  These pins proved to be temperamental producing intermittent connections throughout the recorder.  ATR Services will revive your early model ATR-100 by replacing all 128 harness pins.

Wrist Pad Refurbishing

Restore the feel of your ATR by re-wrapping the wrist pad.  Replacement rubber end caps available as well.

OEM Painting Services

Repaint items individually or the entire cabinet assembly and pedestal.   ATR Services has perfected the color and texture of the original Ampex ATR-100.  Note: Heavily damaged items must be negotiated.
ATR Services stocks an extensive supply of Original Equipment Manufacturer, Newly Manufactured, and New-Old Stock mechanical and electrical components to keep your ATR-100 series running at peak performance.