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Old 12th March 2013, 02:27 PM   #1
diyAudio Member
Join Date: Apr 2010
Location: uk
Default Smallest, usable microphone


Can anyone tell me what the smallest usable miniature microphone is?

I am currently looking for one that can supply half decent quality vocals under 5mm DIA..

Can anyone give any directions?

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Old 12th March 2013, 02:41 PM   #2
diyAudio Member
Join Date: Feb 2012
there'd be the AKG CK77, measuring 5,5mm in diameter, which comes in that set:

WMS4500 CK77 L SET

the mic alone is discontinued, but i own one which i do not need. :
CK 77 WR/C 577 WR
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Old 12th March 2013, 06:52 PM   #3
diyAudio Member
Join Date: Nov 2009
Location: Birmingham, UK
DPA Microphones :: Products

Excellent quality microphones, DPA used to be part of Bruel&Kjaer but got spun off when B&K decided to focus on measurement only. Not cheap...
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Old 12th March 2013, 07:10 PM   #4
dmills is offline dmills  United Kingdom
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Join Date: Aug 2008
Location: High Wycombe
DPA, Countryman, Sennheiser and others all do minature microphones intended for hairline use in theatre.

5.5mm should not be an issue, but note that the self noise is somewhat higher then a larger diaphram.

Regards, Dan.
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Old 13th March 2013, 05:46 AM   #5
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Join Date: Feb 2012
well, the akg Mic is also intended for use as a hairline Mic in operas and similar
also, akg got a technical grammy for their mics.

Edit: you won't find a that small mic with less self noise. I guess, although I didn't measure it, that this Mic is at the bottom end, talking of the self noise. (I hope I didn't mess it up with that saying)

Last edited by dfuhr7gm; 13th March 2013 at 05:49 AM.
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Old 14th March 2013, 04:42 AM   #6
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Join Date: Jul 2003
Location: Dona paula, Goa
Every cellphone will have one, but how to use!!!

Gajanan Phadte
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Old 14th March 2013, 10:00 PM   #7
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Location: Lakewood, Ohio
Heck, a modern hearing aid has a mic, power supply, DSP & a class "d" power amp in less space than that.
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