Hello Everyone:
I thought I would take a moment to clarify a few things here. There are in fact several versions of the mics you are all talking about (AT933, AT943, ES933, ES943, etc).
OK, here we go.....first, the "ES" prefix stands for 'Engineered Sound' and is AT's line of mics that are only available to installed sound contractors and OEM customers (FYI, The Sound Professionals is an OEM, Professional Products and Consumer products customer of AT's, not an installed sound contractor). The "AT" prefix is just a standard Audio Technica product.
Anyway, to keep this simple, the oldest version was the 933, a hanging mic, and did not have it's own set of mic elements. It used a flared adapter and used the 853 elements, which made it only slightly smaller than the AT853.
Then, a few years ago, AT created 3 new elements for the mic (Omni, hyper cardioid and cardioid) and the new mic had a little groove added to the body to accept a clip. At this time, they added a new version with a thinner cable, so there was now a lapel version (with thinner cable) and a hanging version (with heavier cable).
Then, about a year ago, they redesigned it again (along with the AT853, now U853) and improved the RFI rejection and made them RoHS compliant.
So, what we now have is the lapel version (lightweight cable) and the hanging version (heavier cable) of the ES943 (our part # SP-CMC-8) and the old standby AT853 (now U853), which is our part # SP-CMC-4U. Lastly, the close cousin, which does not get talked about much here, but is actually our best selling cardioid mic, the AT831, which is our part # SP-CMC-2, which has not changed in the 10 years we have sold it.
Lastly, all of these mics work on the same powering principals, they are all 3 wire mics. Their maximum high SPL performance is realized with this power supply:
http://www.soundprofessionals.com/cgi-bin/gold/item/AT8532next best is a phantom adapter like this:
http://www.soundprofessionals.com/cgi-bin/gold/item/NADY-CBM-40Tnext is a battery module:
http://www.soundprofessionals.com/cgi-bin/gold/category/310/micsHope this clarifies things.
Best Regards,
Chris Carfagno
The Sound Professionals, Inc.
3444 Sylon Blvd
Hainesport NJ, 08036
800-213-3021
609-267-4400
609-267-0054 fax