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larryg 16th March 2010 06:20 PM

Twisted Pear TXD wiring
Greetings, I need wiring info on the TXD module. This is for balanced operation,2 boards. I also have the Darwin selector,2 boards, the Joshua Tree attenuator,2 boards, etc. Can anyone help me?

Paul Ranson 16th March 2010 11:33 PM

There is TXD documentation available on the TP forums, Twisted X Driver/Preamp - Twisted Pear Audio Support


larryg 17th March 2010 07:19 PM

Thanks Paul. I have another question about SE to Balanced. As I see it, with the JT and Darwin, and the TXD having two boards each, does each board carry half the imput signal? If so, does the TXD boards carry the signal to the output?

Paul Ranson 17th March 2010 09:38 PM

Balanced signals have a 'hot' and a 'cold'. Each needs to be switched and attenuated individually, hence the dual boards for JT and Darwin when running balanced. The TXD is a balanced in-balanced out amplifier. I'd put them on the output, perhaps configured for some gain, depending on your sources and power amps.

You can run single ended inputs into a TXD by connecting the 'cold' or negative input to 0v. The output will be converted to balanced. This is how I used to run mine, but I never got around to the balanced JT and Darwin which remain in a box, a Buffalo now does everything. Such is progress.


larryg 17th March 2010 10:04 PM

Thanks Paul for the info!

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