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On 4/11/2015 2:32 PM, Richard L. Hess wrote:
> One thing I would like to suggest is that the balanced outputs be on
> 1/4-inch TRS jacks and be resistively balanced, not actively balanced.
> The ring would go to signal ground through an impedance matching the
> output impedance at the tip. A fair number of good designs are using
> this approach. This way, we have 100% balanced/unbalanced compatibility.
> I would propose a TRS jack with a TS-to-RCA adapter for those who want RCA.
>
> While XLR and out-of-polarity signals on pin 2 and pin 3 may be nice, I
> don't think they buy much in this type of an installation, typically
> limited to one control room.
>
> This goes against what I normally suggest, but in this case it makes
> sense in my opinion.

The currently-popular name for this configuration is 
"impedance-balanced", and I agree that it makes sense in this application.

Peace,
Paul

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