Dayton EMM-6 with Cross Spectrum Labs calibration comparison

This is an interesting comparison between and Earthworks M30 and a Dayton EMM-6 that has a calibration file provided by 3rd party tester Cross Spectrum Labs. – Dayton EMM-6 measurement microphone, calibrated by Cross-Spectrum Labs

Interested in having a mic tested and being provided with a frequency and polar chart as well as calibration files?

Cross Spectrum Labs website

Here is an interesting thread that appears to include comments by Cross Spectrum Labs staff regarding Dayton factory calibration files: – Re:Cross-Spectrum Microphone Calibration Service – USA