RCA MI Numbers

Microphone Manufacturing Instructions (MI)

This MI listing is compiled from extractions of the RCA engineering MDS specification sheets and from various RCA audio catalogs and other engineering documents as well.

This listing is for production released microphones sold in broadcast, film, and commercial sound applications. Revision letters following the MI numbers are listed when there is a known form, fit, or function difference.

It is intended as an information guide providing a collectors guide for RCA production mics.

View the RCA MI Numbers.

Suggestions For Use

When no comma is noted, it means that the item appeared as that number as well as any subsequent letters with commas. Any additional letters at the end of an MI number usually signify a revision whether it be cable length or different parts, manufacturing process or color. Where no entry exists in a column, no designation was used or found.

This compilation is not intended to be a complete treatise on RCA mic production, but merely a resource to support the SilPix in the gallery. This body of work undoubtably contains some errors and/or omissions. Any verifiable corrections or additions would be gladly accepted.

This SilPix gallery of the Silvia Classics microphone collection is provided for your enjoyment and is a resource for classic microphones with emphasis on RCA mics. Additional SilPix will be added as time and energy permit.

All pictures and images are copyrighted and the property of Silvia Classics. Any reproduction, transfer, or other electronic or graphic use is forbidden. All rights are reserved by Silvia Classics.

SilPix and SilCraft are marks used by Silvia Classics. Trademarks are owned by their respective companies.

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Microphone Patent Art

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