John French at JRF Magnetic Sciences — Tape heads, rebuilding, special projects, New Jersey — now includes all heads formerly sold by Joe Dundovic’s Magnetic Head Company

Jay McKnight’s Magnetic Reference Lab — Audio test tapes, information resource (on original Watergate tape panel), California

John Austin at Sprague Magnetics — Tape heads, tape recorder parts, California

Roger Ginsley (email) for factory authorized Studer service and support, Toronto, Canada

Ontario Audio-Video Service — Digital and analog (cassette) recorder repair in the Greater Toronto Area. PH–905-791-2020 FX–905-791-2121 TOLL FREE–888-791-2899 Speak with Rick

A. F. (Fred) Thal at ATAE (email) North American Studer specialist reconditioning and re-manufacturing type A80, A820 and A827 master recorders for professional applications.

Mike Spitz at ATR Services in York, PA supplies remanufactured Ampex ATR-100 machines and repairs other brands.

For magnetic viewer information, please see this article.

For information on splicing tools and supplies, please see this article.

Precision European Hand Tools for Studer (and other) maintenance.