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In Reply to: RE: Xonon & Sound Card Specs posted by flood2 on March 20, 2016 at 16:14:55:
Actually the phono preamp gain is 57dB. Max gain is 71dB single ended and I've reduced it by -14dB with jumpers for a total gain of only 57dB. (I'll redo those calculations).I get the .26 ratio to have a margin of 3dB.
Not sure I understand this:
> > > For an input load of approx. 47k, you could use the E96 series and choose 12k1 for the resistor across the input to your soundcard and add 34k8 to this to give you approx. 47k across the output of your Xono > > >
I see these values add up to 47K. Besides the fact that I'm using a 250 ohm phono preamp input load on the cartridge, not 47K (It sounds better that way), why am I looking for a 47K OUTPUT on the Xono? The Xono's output impedance is 300 ohms.
The sound card is in line following the phono preamp output. Why do we care about the phono preamp input? I'm trying to change the output in front of the soundcard and I don't know what it's input impedance is or what would be optimal loading.
Sorry if I'm a little slow on this.
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Follow Ups
- RE: Xonon & Sound Card Specs - Barry 03/20/1618:15:04 03/20/16 (9)
- RE: Xonon & Sound Card Specs - flood2 19:24:59 03/20/16 (8)
- I get it now. THANKS! - Barry 06:56:21 03/21/16 (1)
- You're welcome! - flood2 17:20:17 03/21/16 (0)
- RE: Xonon & Sound Card Specs - John Elison 20:00:47 03/20/16 (5)
- RE: Xonon & Sound Card Specs - flood2 20:17:56 03/20/16 (4)
- RE: Xonon & Sound Card Specs - John Elison 21:23:02 03/20/16 (3)
- RE: Xonon & Sound Card Specs - flood2 22:19:48 03/20/16 (2)
- RE: Xonon & Sound Card Specs - John Elison 23:19:43 03/20/16 (1)
- RE: Xonon & Sound Card Specs - flood2 00:10:58 03/21/16 (0)