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Re: Making a 'cheap' figure of 8 microphone?

Subject: Re: Making a 'cheap' figure of 8 microphone?
From: "Klas Strandberg" klasstrandberg
Date: Mon Sep 25, 2006 9:08 am (PDT)
How?

Two omnis near one-another and connected out of phase will only cancel
one-another, at least at all frequencies which they have in common...??

Klas.



At 17:44 2006-09-25, you wrote:
> >>Phil
> >>a figure of 8? It's two omni's back-to-back wired together out of phase=
.
>
> >Klas wrote:
> >You must mean "two cardioids".
>
>Two omnis, separated by a small distance, and subtracted, _do_ give a figu=
re
>of eight pattern.  The only trouble is that the frequency response is
>differentiated.  So it rolls off towards low frequencies at 6 dB/octave.  =
In
>order to get the response to be flat again, say over the 3 decades of the
>audio spectrum, would require 60 dB of bass boost.
>
>Eric Benjamin
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>
>
>
>

Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email: 
website: www.telinga.com







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