Question for the noise cancelling Microphones

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Question for the noise cancelling Microphones

Postby (Norbert69) » Fri Sep 22, 2017 1:03 pm

First off, as a new user hello to everyone!

Let me get straight to the point. I might ask help about noise canceling Microphones.

I have assembled a noise canceling Microphone using EK-28522-C25 single supply yet
( for an example as I found here https://www.icrfq.com/part/351-EK_28522_C25.html )
I am experiencing issues understanding the noise canceling Circuit IC.

It contains the EK-28522-C25, (Frequency-100Hz ~ 6kHz - -54dB ±3dB @ 74dB SPL) with 1.3v.

Sensitivity W/M 54db±3dB-74dB SPL between 65db±5dB-85dB
Air pumping Capacity 7mm³ and fo 480Hz
Frequency Range 450-8000Hz
Maximum Sine Power 10mW
SPL 110dB max sine power

Can anyone please help me the detailed of noise canceling frequency?

Thanks in advance!
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Re: Question for the noise cancelling Microphones

Postby (jps) » Fri Sep 22, 2017 2:29 pm

You are probably much better off posting this query at Gearslutz. They are far more geared towards such things than a bunch of old fart Beatles/Byrds/Yes/Deep Purple/etc, fans. :wink: :mrgreen:
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Re: Question for the noise cancelling Microphones

Postby (collin) » Fri Sep 22, 2017 7:30 pm

Helluva technically detailed 1st post. Welcome, though.
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Re: Question for the noise cancelling Microphones

Postby (Norbert69) » Sat Sep 23, 2017 12:31 am

Thanks for your reply and for the welcome!
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Re: Question for the noise cancelling Microphones

Postby (jps) » Sat Sep 23, 2017 10:22 am

8)

You might, also, want to post on TalkBass. In particular, there are a few superb engineers there, such as agedhorse (engineer for Mesa Engineering, also a sound engineer for decades) and Bob Lee (QSC).
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