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Re: combining omni mics for stereo

Subject: Re: combining omni mics for stereo
From: "Rich Peet" <>
Date: Wed, 03 Sep 2003 17:47:36 -0000
Care must be taken in ordering the Y cable because it is not a true 
split.  Both types are made.  A true split is used when you want to 
connect two sets of headphones to a single audio output.  For a 
stereo mic configuration you want this configuration:

Pin 2 being hot on the xlr connectors and pins 1 and 3 being 
connected to ground or shield for unbalanced operation. One pin 2 of 
the xlr connector goes to the tip of the mini plug.  The other pin 2 
of the xlr goes to ring (or middle) of the mini plug. All of the pins 
3's and 1's of both xlr's go to the sleave or shield of the mini plug.
The best configuration connects the 1 and 3 pins at the recorder end 
of the mini and not at the xlr connection but this seldom makes much 
difference in field use.

I don't have a recommended source as I make my own.

Rich Peet

--- In  "Gene Dorcas" 
<> wrote:
> I've used a y-adapter from Radio Shack to combine 2 mics. Don't 
> the part number.
> -----Original Message-----
> From: Robin Carter  
> Sent: Wednesday, September 03, 2003 7:40 AM
> To: 
> Subject: [Nature Recordists] combining omni mics for stereo
> I am probably not the only newcomer with no soldering skills who has
> this question. Bernie suggests that a good binaural setup might be 
> from tying two Sony ECM 55B's to a tree. If I try something like 
> or if I try to combine the inputs from two Sennheiser ME62's or some
> such, just how should I combine the mic inputs into one stereo 
> that I could use with my consumer grade Sharp minidisc recorder? Is 
> possible to buy a special cable, or should I think in terms of two
> inputs into a special preamp? I am truly clueless about how to do 
> I have not searched the archives to see if this question has been
> covered already.
> Robin Carter
> Columbia, SC
> [Non-text portions of this message have been removed]
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