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Re: KTM vs KM74 - What is the difference?
Author: Martin Schneider/Neumann
Date: 02/18/2013
Dear Mr. Perkins,

the KTM and KM74 circuits are actually (almost) identical. The housings differ slightly (straight 24mm cylinder vs. stepped cylinder 24/21mm). The larger head grille, compared to KM6x and KM8x is due to the fact that the capsule housing is NOT on ground potential with the KTM/KM7x, so it needs to be mounted insulated from the housing.
True, the 70 series mics were exceptionally low noise at their time. But then the simpler phantom powering won....

Best regards,
Martin Schneider / Neumann Mic. Development  
 
Reply
J. Mike Perkins
02/17/2013
Martin Schneider/Neumann
02/18/2013
John Willett
02/18/2013