Quadruplex

Ampex means more than audio and video recorders

This site is dedicated to the Ampex Pioneers and those who followed. Erhard Kietz and colleagues at work on a Ampex 2" transverse scan instrumentation recorder in the late 1950s. The recorder was based on the successful Ampex VR-1000 2" Quadruplex Videotape® recorder pioneered by Ampex colleagues in Redwood City, California. From the Erhard Keitz family collection. Collective Commons license, via Wikipedia
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