> So they're not mixing two diaphragms to get multi-pattern. I suppose
> they could be mixing two backplates... but that wouldn't work unless
> they're also mucking with the acoustical path on one side. I'd really
> like to understand this.
Neumann provides an interesting overview on microphones that is available
for free download on their website:
http://www.neumann.com/infopool/general/welcome.php
It is the first PDF download on the "Documents" page:
Book "Microphones", Bore/Peus, English, 78 pages (920 KB)
The principle of (electrically switchable) multi-pattern microphones is
explained on page 37. I guess that the MKH 80(0) also employs that mechanis=
m
(except of its RF operation instead of the 60V DC polarization show here).=
Regards,
Raimund Specht
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