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RE: Lookiing to build or buy a DAC

Posted by Thorsten (M) on January 15, 2015 at 20:15:07

In Reply to: RE: Lookiing to build or buy a DAC posted by xaudiomanx on January 15, 2015 at 18:30:57:

Hi,

The DAC output will have around 2.5 to 3V DC on it. I would not recommend to connect this directly.

If using a 100K Volume control I would recommend at least 0.22uF coupling cap's between DAC and Volume control.

Incidentally, I should mention that I dug out the original French scheme from l'Audiophile of the ciruit in the Monica and suggested replacing the original Batteries used (1.5V * 3) with a diode string and CCS, as shown in the schematic, that was around the turn of the century on a Gainclone board IIRC...

Bottom line, I think you and your tubes will be happier with a coupling cap.

Thor

At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to intolerable pain. Really, what more could we need?

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