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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: Just ordered a Lampizator Amber output stage "kit" posted by morricab on December 5, 2014 at 05:42:16:
"I measured them with my digital scope and each + and - leg of each module was putting out a 5V sine wave (I was feeding a 1Khz digital test tone). I just wasn't sure what the output impedance and/or current drive capability of this signal was."
So why didn't you measure the Zo while you were at it? All you need to do for the real part is hang a resistor on the output and see how much the V drops. Ohm's law is your friend... You can even do the imaginary too if you just trigger off the input or use one channel for it and the other channel for the output and plot the delay vs F into the load of your choice. It's like having your own AP except it would stand for "audiophile precision"...
Audio, at least the in-band signals, are really rather easy to quantify. Mapping the results to our aural perceptions is still tricky, very tricky, but that's what makes it interesting. I'm pleased as punch that you are trying. The notion that the factors that affect our enjoyment are beyond quantification is simply absurd.
Best, Rick
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- RE: Just ordered a Lampizator Amber output stage "kit" - rick_m 09:46:40 12/05/14 (0)
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