Absolute Polarity for Disk Records

By J. I. Agnew
https://www.agnewanalog.com
https://www.magneticfidelity.com
PDF Version

The Mystery

 

One might think that the whole issue of absolute polarity for a medium essentially invented around 130 years ago, would have been adequately discussed and standardised by now, leaving no room for further debates. Indeed, it has been, so why bother writing anything further on this topic?

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