SM7, SM7A, SM7B - Differences

FAQ #2633 Updated May 20, 2013

Question:

I was wondering if someone can fill me in on the differences between the SM7, SM7A, and the SM7B. What was improved and what has changed between the models?

Answer:

SM7 - Introduced 1973 with a U.S. retail price of $256.80.

SM7A - Humbucking coil improved; design of the mic mounting yoke also improved. Introduced 1999.

SM7B - Larger foam windscreen added. Introduced 2001.

 

The mic element is based on the Unidyne III design and has not changed.

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