calibration of measurement microphones in UK

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nannoo

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Joined 2013
#1
Hi guys,

wasn't sure where to post this, I have an uncalibrated behringer ECM8000 microphone, from what I hear later models have been somewhat unreliable so I'm keen to have it calibrated, but don't really know where to start/where to lok to have this done.

Initial google searches have come up empty, does anyone have any suggestions?

thanks
 
#2
Someone mentioned that some universities might be able to do it.

If someone has a calibrated mic and was willing to take the time, a comparison between your mic and theirs would result in some difference in frequency response which can be calculated, documented, and accounted for.

Chris
 
#3
I have done some substitution calibrations - basically measure a flush-mounted tweeter on a fair-sized baffle with my microphone and others. A friend had a mitey mike that came with a cal file and I used that for a reference.

If you have a tweeter with a flat "specified" response you can flush mount it in a fairly large baffle and use the response above resonance as a calibration source of sorts by assuming that the mic should read flat and applying the necessary correction.

At low frequencies you can calibrate it yourself -
http://www.artalabs.hr/AppNotes/AP5_MikroMeasChamber-Rev03Eng.pdf
 
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