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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: -75 dB posted by Tony Lauck on June 24, 2014 at 21:07:56:
I went back and repeated my difference test (mogami vs. gotham). This time I boosted the level digitally so I could compare the original and the difference without running the risk of blowing out my ears. The difference had a high noise level, and the music was obviously thin and gritty, extremely gritty on peaks. I'm thinking that the DAC was putting out more or less the same signal, subject to a different load, especially a different cable capacitance, but most of the differences (especially the noise and level dependent grit) are probably artifacts of the ADC being boosted by 75 dB. It would be nice to know what ADC was used to capture the output of those cables. I'll bet that the difference signal would have been quite a bit more musical if a clean ADC like the Grimm and been used.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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Follow Ups
- RE: -75 dB (Redux) - Tony Lauck 13:22:26 06/26/14 (0)
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