Dayton also has a complete audio measurement system, capable of a variety of displays, waterfall plots, bar graph, spectral, and many others.
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![]() Thank you. It might be worthwhile to contact Dayton and see if they have a distributor in the EU that carries these products, and compare direct order from Parts Express against local prices. Dayton Audio Manufactures Speakers Drivers, AV products, and Speaker Building Components Perhaps contacting the German distributor would be worthwhile - Dayton Audio Dayton Audio - Where to Buy Stevebluewizard. It would obviously be easier to get a USB mic, unless you want to do loopback measurements as well. ![]() Typically it is nothing but a text file with a list of numbers in it. The number represent how much up or down the results need to be adjusted to get the response to flat. For example, if the mic is down 6db at 100hz, then the file will simply read 6. This is a correction file for the Radio Shack SPL meter provided to my by someone in another forum. However, if you are taking reading manually, you have to make the corrections to readings yourself. In he above file, if I measure 10db at 25hz, I would have to add an additional 5 for a total of 15db. The generic calibration file for the RadioShack meter is better than nothing, but by far not accurate. Same goes for the measurement microphones; CSL for example probably have a precisely calibrated reference microphone, which allows them to calibrate further devices to similar accuracy. Behringer Ecm8000 Calibration File Re Write Serial Number Of YourWhether it is generic or specific to the serial number of your device, I cant say. Behringer Ecm8000 Calibration File Re Write Serial Number And DownViewing the Dayton site, you enter your Serial Number and down load the Calibration file in the form of a TXT file. It costs nothing. Dayton Audio EMM-6 Electret Measurement Microphone Dayton Audio UMM-6 USB Measurement Microphone Both microphones have a rated Frequency Response of 18hz to 20khz.If you want to isolate the sound of the speaker, you might want to consider a more directional microphone. Though I dont have any suggestions equal to these calibrationinstrumentation mics at anything remotely resembling an afford able price. True calibrationinstrumentation mics can cost hundreds if not thousands. Here are detailed Spec Sheets with Frequency Response graphs for both mics. These are both OMNI-Directional Microphone ( OMNI - all direction microphones ).
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