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Brush Soundmirror BK-401

Magnetic Ribbon Recorder (1947)

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Brush Soundmirror BK-401


The Soundmirror BK-401 magnetic ribbon recorder reproducer is a complete unit containing all the mechanical and electrical components necessary to make and reproduce recordings.

The principle of the Soundmirror is one of changing sound into a magnetic pattern and converting the magnetic pattern back into sound. When a recording is made on the magnetic ribbon it is permanent, and under normal handling and storage conditions, should last indefinitely.

At any time a recording on the ribbon is not desired, the ribbon may be placed in the recorder and a new recording made without further processing. The process of making the new recording automatically removes the old, unwanted recording.



This website is not affiliated with or sponsored by Brush. To purchase Soundmirror BK-401 spares or accessories, please contact the company via their website or visit an authorised retailer.