Modifying the Nagra T-Audio tape recorder to use an external repro head preamplifier, by Dr. Adrian Wu – Asia Audio Society

Nagra Stories Sound-men won't ever tell - Page 47 - Images of Interest - JWSOUNDGROUP

General:I've owned just about every professional reel to reel and nothing comes even close to this model. It is truly a work of engineering and

Nagra T-Audio Reel to Reel - A Swiss Masterpiece

Nagra T Audio Two-track analog recorder

Recording audio on Nagra 4.2

An Audio Journey – Asia Audio Society

An Audio Journey – Asia Audio Society

What was the first audio visual recording? - Quora

Tape Techniques #4: Processing Ambient Tracks With A Nagra

An Audio Journey – Asia Audio Society

Nagra T-Audio - Nagra