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Re: equivalent bi-directional mic?

Subject: Re: equivalent bi-directional mic?
From: Dan Dugan <>
Date: Tue, 31 May 2005 23:02:26 -0700
Mark Griswold wrote:

>  > WL185. 5.5dB higher noise rating, though. Mount two capsules
>>  back-to-back anti-phase? Maybe use one mic preamp for the pair?
>>  But how to deal with the PIP polarity...
>how about keeping the PIP normal for both capsules, and then using an
>op amp to invert one signal before summing?

We're talking mic level here. You can't do anything with a mic level 
signal without preamping it first.

-Dan Dugan


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