[sdiy] Request brain dump on balanced lines

[harrybissell at prodigy.net]

If you NEED isolation the transformer is the best solution.

For better frequency response (ESP. for synths) the direct
drive is better.

Low Z mixer inputs are usually 600 - 1K ohms. Most line level
outs could drive these directly... and you COULD just ground one
input of the XLR and drive the other (single ended) ...

H^) harry


Subject: [sdiy] Request brain dump on balanced lines

>Can someone familiar with balanced mixing console lines summarize the
>information?
>What I need to know is typical voltage levels and impedance's for TRS jacks
>and XLR connectors.
>I'm trying to figure out a nice (i.e. cheap) way to interface +/- 5 volt
>single ended synth signals to your typical mixing console balanced inputs.
>Is a single ended to balanced transformer a good way to go, or is an active
>differential output better?
>I get asked about this all the time and don't really have a good answer.
>Thank you for any information or help.


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