I can imagine building this with two dual diaphragm condenser capsules.
horizontal only ambisonics. you can buy matched high quality pairs of dual
diaphragm capsules.
umashankar
> Date: Thu, 14 Nov 2013 16:49:41 +0100
> From: netti...@stackingdwarves.net
> To: sursound@music.vt.edu
> Subject: Re: [Sursound] New native B-Format microphone!
>
> On 11/14/2013 04:42 PM, umashankar manthravadi wrote:
> > if you feed the figure of eights to a mixer you can actually generate
> > a better Omni.
>
> now i'm confused.
> fig8s can never be combined to an omni.
>
> but if the microphone has in fact four cardioids, then you could combine
> them two two fig8s and an omni.
> but i don't see how you get those four capsule signals out of the mike
> through five pins in any sane way (where sane == balanced).
> can you explain in more detail?
>
>
> > Or, if the circuit is made of four cardioids each to
> > one pin, the circuit is still a pair of figure of eights, but all
> > four pins summed is a good Omni. I built my Velan, a six cardioid
> > native B format mic, where all six capsules contribute to the Omni.
> >
> > umashankar
> >
> >> Date: Thu, 14 Nov 2013 16:28:12 +0100 From:
> >> netti...@stackingdwarves.net To: sursound@music.vt.edu Subject: Re:
> >> [Sursound] New native B-Format microphone!
> >>
> >> On 11/14/2013 04:08 PM, umashankar manthravadi wrote:
> >>> one ground pin, two figure of eights with one or both receiving
> >>> phantom voltage, and two pins, one from each figure of eight, out
> >>> of phase for the Omni.
> >>
> >> you mean the omni will be a phantom circuit? oh my god, i only hope
> >> he can tame the demons he has summoned.
> >>
> >> after reading a few of jörg wuttke's papers on what can go wrong in
> >> even a simple phantom _power_ circuit, this remark makes me very,
> >> very afraid :)
> >>
> >> unless i'm very much mistaken, the achievable common-mode rejection
> >> now also depends on the relative twist between two pairs, and the
> >> problems with impedance matching between hot and cold have
> >> increased by a factor of two. where i live (in evil places with
> >> thyristor dimmers and long analog multicores), that's scary.
> >>
> >>
> >> -- Jörn Nettingsmeier Lortzingstr. 11, 45128 Essen, Tel. +49 177
> >> 7937487
> >>
> >> Meister für Veranstaltungstechnik (Bühne/Studio) Tonmeister VDT
> >>
> >> http://stackingdwarves.net
> >>
> >> _______________________________________________ Sursound mailing
> >> list Sursound@music.vt.edu
> >> https://mail.music.vt.edu/mailman/listinfo/sursound
> > -------------- next part -------------- An HTML attachment was
> > scrubbed... URL:
> > <https://mail.music.vt.edu/mailman/private/sursound/attachments/20131114/0a1cd334/attachment.html>
> >
> >
> _______________________________________________
> > Sursound mailing list Sursound@music.vt.edu
> > https://mail.music.vt.edu/mailman/listinfo/sursound
> >
>
>
> --
> Jörn Nettingsmeier
> Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487
>
> Meister für Veranstaltungstechnik (Bühne/Studio)
> Tonmeister VDT
>
> http://stackingdwarves.net
>
> _______________________________________________
> Sursound mailing list
> Sursound@music.vt.edu
> https://mail.music.vt.edu/mailman/listinfo/sursound
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<https://mail.music.vt.edu/mailman/private/sursound/attachments/20131114/78b9c06e/attachment.html>
_______________________________________________
Sursound mailing list
Sursound@music.vt.edu
https://mail.music.vt.edu/mailman/listinfo/sursound
