Nov 28, 2013. A measurement mic needs a calibration file. The relative merits of different mics is irrelevant without calibration files. If you are a speaker developer tuning your product this is probably true, if you are a live sound operator trying to tune a PA not so much.
Behringer Ecm8000
Measurement Microphone Recommendations
USB Microphone Recommendations
For convenience and ease-of-use, a USB-connected measurement microphone can't be beat. Many of these mics come with a calibration file that ensures proper frequency response for measurement purposes.
Ecm8000 Microphone
The UMIK-1 is a 'Plug & Play' omni-directional USB microphone designed for acoustic measurement. This microphone provides low noise and accurate results you can rely on. Forget about driver installation, OS compatibility and un-calibrated mics. The Umik-1 is a USB Audio class 1 device automatically recognized by the Mac Operating System. After purchase, you can download a calibration file specifically for your UMIK-1 ensuring an accurate measurement.
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Analog Microphone Recommendations
Many analog microphones are useable with iRC Measure. Most all measurement - worthy analog mics require a pre-amp with phantom power and a female XLR (from pre-amp) to male 3.5 mm stereo adaptor (to your Mac line input) to operate. Contact your mic's manufacturer to find out if your mic is suitable for measurement use.
The CEntrance MicPort Pro is an easy way to incorporate your analog mic into the digital realm. Simple plug-and-play integration with your Mac, studio-quality specs, phantom power for condenser mics and appropriate sample rate support, this pre-amp is perfect for use with with iRC measure.
XTZ Audio has a cost-efficient USB-connected microphone kit that includes a the calibrated mic, USB pre-amplifier, cables, clip, and storage case.
Download the XTZ Mic Pro Calibration File
Note: the XTZ will work with both Dirac Live and iRC Measure.
Note: the XTZ will work with both Dirac Live and iRC Measure.
If you already have a microphone pre-amplifier, we recommend the Behringer ECM8000.
Click here for ECM 8000 Information
Click here to download the ECM 8000 Calibration File
Note: the XTZ will work with both Dirac Live and iRC Measure.
Click here to download the ECM 8000 Calibration File
Note: the XTZ will work with both Dirac Live and iRC Measure.
Praise for iRC
Jcb 214s manual. 'iRC rocks! It clears out room idiosyncrasies and brings out the hi-fi!!'
'With Impluse Response Correction the musical image has just widened massively, with a much tighter audio performance..'
'..simply masterful — this is the best that my 2-channel system has ever sounded!'
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RayDunzl
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Behringer Ecm8000 Calibration File
To satisfy some mild curiosity:
A pair of visually (very) similar condenser microphones.
RTA of music, over about an hour, as seen simultaneously by:
miniDSP UMIK-1, USB microphone, 24/48 signal (but running at 24/96 in REW)
Behringer ECM8000, with UMC-202HD for conversion to digits running at 24/96.
No correction file applied to either (since I only have one for the miniDSP)
Looks pretty close.
Noise floor slightly different, but inconsequential for in-room measurements.
A pair of visually (very) similar condenser microphones.
RTA of music, over about an hour, as seen simultaneously by:
miniDSP UMIK-1, USB microphone, 24/48 signal (but running at 24/96 in REW)
Behringer ECM8000, with UMC-202HD for conversion to digits running at 24/96.
No correction file applied to either (since I only have one for the miniDSP)
Looks pretty close.
Noise floor slightly different, but inconsequential for in-room measurements.