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In Reply to: RE: Best processors -but best tech ? posted by J. Phelan on February 21, 2017 at 14:44:44
Believe what you will, but that's factually wrong. An PCM1794A, or an AD1955, or the Sabre chips, etc. produces lower in-band noise and distortion, especially at low signal levels, than does any legacy mass production full resolution multbit converter, including the PCM1704. Read the various datasheets for yourself, unless you believe they all lie. The SDM converters do have greater out-of-band noise - meaning, measurable yet inaudible ultrasonic noise. That said, the multibit converters do have their objective advantages. Subjective sound assessments, of course, vary.BTW, Because some high-end DAC box is costly usually has little relationship to how costly is the DAC chip being utilized.
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Ken Newton
Edits: 02/21/17 02/21/17 02/21/17 02/21/17 02/21/17 02/21/17Follow Ups:
If you believe cheap chips (which discard data) are superior than pure-resistors, that's your business.Data sheets mean nothing -they cover up and highlight what they want. It's independent study that counts.
"Mountains and Fog" -2 part article at PFO and "R2R/multibit vs. Delta-Sigma" at Head-Fi are good places to start.
As noise is (slowly) dropping in digital processors, we're hearing differences in DAC design. Could we have done this in the 1980s and 90s ? I doubt it...
Edits: 02/21/17
If you believe so robustly on what the web says about dac chips, then there is not much to be said.
It is not chip technology but package implemetation, including the digital filter, I/V, analog stages, and digital input conditioning that most affect SQ.
Well, then, there's no sense in my trying any further to open an closed mind.
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Ken Newton
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