miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice 13
4 DOWNLOAD THE CALIBRATION FILES
The calibration files are used to correct the raw microphone response for measurement accuracy. Two
calibration files are provided: an on-axis calibration file measured from the actual microphone, and a 90-degree
calibration file that is calculated from the on-axis response. One of these calibration files will need to be loaded
into the acoustic measurement software you are using. (See later pages for an example with REW.)
To download the calibration files, go to the UMIK-2 product page and scroll down to the section “Unique
Calibration File Download”. Enter your microphone’s serial number and press Submit.
The two calibration files should download automatically. They will be named 800xxxx.txt and 800xxxx_90deg.txt
(where 800-xxxx is your microphone’s serial number). If they don’t download automatically, click on the links
shown on the page to download them:
Don’t lose your serial number! We have had customers who, after a number of years, have
rubbed off the serial number label and lost their calibration files (e.g. a computer crash). We
don’t keep a record of the serial number sent to every customer, so we recommend that you a.
make a hard copy of your serial number and b. add your calibration files to your regular
computer backups, just in case.
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