Restoration Tips & Notes Working with audio media (mostly tape) restoration

2009-04-07

Kodak Durol triacetate tape with bad vinegar syndrome

Filed under: project notes,Studer A807,Tape Aging — Richard L. Hess @ 15:40

I recently received two 7-inch reels of Kodak Type 31A Triacetate tape (1250 feet, Durol Base) that smelled of vinegar even before I got the envelope open.

These tapes were badly warped due, most likely, to the vinegar-syndrome induced differential shrinkage. Other factors may have been poor winding during long-term storage (I had received them after several attempts to play them on another machine). (more…)

2009-02-03

Studer A807 digital noise improvement

Filed under: Studer A807 — Richard L. Hess @ 17:48

I received an email from Andrew Pearson of the British Library providing some hints in reducing noise during playback on the Studer A807 tape machine. He would be interested in hearing from people who had other ideas and people who had either successes or failures attempting his techniques. (more…)

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