Here is a comparison of the signal-to-noise ratios between the Sennheiser MKH
800 (wide-angle cardioid setting) and the Avisoft CM16/CMPA-P48 microphone at
ultrasonic frequencies:
http://www.avisoft.com/usg/images/sn_ratio_MKH800_CM16CMPAP48.gif
The red line is the Avisoft CM16/CMPA-P48 microphone. It can be seen that is
provides a significantly lower noise floor at frequencies above 20 kHz.
I believe that the Sennheiser MKH 8020 and MKH 800 are very similiar in terms
of their signal-to-noise ratio properties.
Regards,
Raimund
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause
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