Ciao Belli!
During my holidays I terminated my pre-phono (2xQSXPS+QSXM2). I'm
really-really happy and satisfied of the sound!
But someone know if is it possible to have a balance output (XLR) from the QSXM2?
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It's possible.
1 Use a transformer
2 Use a balanced driver (IC)
3 Build a balanced driver
Can you help me to build a balanced driver?
Check the datasheet of DRV134
http://focus.ti.com/docs/prod/folders/print/drv134.html
You can also use those keywords when you'll use Google: "Audio Balanced Line Driver"
Great!
Do you think that two DRV134 with four 1mF electrolytic capacitors to the pins 5 and 6 will be enough? (like in figure 1, Basic connections) or I'll need some others components?
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1 uF is a good start but you'll a good stabilized voltage.