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    What is the benefit of very expensive DAC´s?

    ms: Great. Please share (some of) the screen shots (or video) of these 'spectral' distortions (up to 50 KHz. no less) and the discovered noise spectra (up to 250 KHz.) (btw: 'spectral' components refers to a 'spectrum -over a defined (frequency) bandwidth; your 'Distortion' Spectra and 'Noise'...
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    What is the benefit of very expensive DAC´s?

    (RE: " ....but I have taken exhaustive measurements of my mains and carried many listening tests with many types of equipment, including several power conditioners.") Let's hear more about these tests; succinctly of course. Such Exhaustive Tests must be logged -in chart form. Please share...
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    What is the benefit of very expensive DAC´s?

    No need to be testy, ms. But since you bring it up, let's chat some more. What "tests" have you done on your AC Mains ? Listening impressions aside, AC Mains power wreaks havoc (I didn't wish to offend the sensitive with caps -lol) with low-level circuits/ amplification, particularly impacting...
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    What is the benefit of very expensive DAC´s?

    Hi ms: For some strange reason, some company's (including Bryston, Canada) eschewed power 'conditioner's' (for decades) to be used with their power amps -yet refused to elaborate. But today (and over the past ten years I'd guess) Bryston not only recommends Isolation Transformer conditioner's...
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    What is the benefit of very expensive DAC´s?

    Clarification/correction: (RE: " ...there are different levels of power regeneration. Equi=tech is a big boy 'whole system' power regen unit." There are various methods of AC "cleansing"; Equitech is NOT an example of AC Re-Gen but rather a fine manufacturer of Balanced/ Symmetrical Power...
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    What is the benefit of very expensive DAC´s?

    Expertly (and sensibly) spoken ! If you are unaware, or have not experienced a premium (i.e. quality) AC Re-generator powering your digital ADC/Streamer/CDP components, you are in for a magical digital treat -like no other ! The link reviews the PS P-5; reviewer's words speak to exactly was I...
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    What is the benefit of very expensive DAC´s?

    " ...The conventional wisdom is they sound better (no big surprises here). The question is how much better and at what price difference, and how fast is price performance improving. I was slightly disheartened to read the Stereophile review of the new $3500 Marantz NA11-S1 network streamer /...
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    What is the benefit of very expensive DAC´s?

    I'll tell you ... (RE: What is the benefit of very expensive DAC´s?) Profit. And, bragging rights. pj
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    Why Do Different USB Cables Sound Different

    Marty: Excellent. Thanks for sharing. Serguei Timachev is a sharp guy. Indeed, spdif is deeply flawed; separate Word Clock and/or i2s protocol (over HDMi/RJ-45) is the digital data transfer method of choice. I had a lengthy chat with a Moderator/Owner of a well known (computer audio) forum on...
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    Why Do Different USB Cables Sound Different

    Not so fast ... Lifelong: Your reply reeks of "what's been said", "What's been presumed" for ions regarding SQ variances. Rest assured, it's all 'guessing', as to the real reasons. Quantum Physics/Science shall reveal insights that should help explain in far greater detail -and...
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    Why Do Different USB Cables Sound Different

    Because ... RE: (Why Do Different USB Cables Sound Different) Uh, Cuz they can't sound the same ? (lol) SQ distinctions can be, and often is, dramatic. You ask "What's (/can be) noticed" ? Everything: Tonal Balance, Clarity/Resolution, Layering, Dynamics, Excitement. Last year I...
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    PS Audio Perfectwave AC3

    Yes. For sure Tom: Some creative power cord builds can prove most interesting. The need for "pure" metals (for PC's) to my mind, is the last thing to fret over. Signal carrying cables are an entirely different matter. Cable construction and connector quality are imperative. pj
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    PS Audio Perfectwave AC3

    Plenty of ... Well, there's plenty of reasons How it (not PS specifically) can sound worse -as any listening evaluation can attest. Why, is another story. But, I'm working on it. It's been said before that PS cables sound "dark", "bassy" -hardly adjectives that conjure up revealing...
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    Review: Berkeley Audio Alpha USB

    I realize that this is a 6-year old reply, but I'd like to reassure you (if all remains the same -lol) that no one will be the wiser when it is disclosed: " It is entirely possible that my conclusions are wrong." (Were you doing a dissertation at the time -or now, by chance ?) It kind of...
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    Are the $19,500 Berkeley and $35,000 dCS DACs really worth big bucks?

    Hi astrostar: As mentioned earlier; "with the necessary talent" (mod's can be successfully considered). I believe you misunderstood, when you say: " .... So I disagree to an extent, you can upgrade parts for like for like spec but better quality, so not changing the circuit so much, more...
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    Are the $19,500 Berkeley and $35,000 dCS DACs really worth big bucks?

    Yes. Plus, you are one of (if not absolute) the best looking 'Roger' I've ever seen ! pj P.S> What shampoo do you use ?
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    Are the $19,500 Berkeley and $35,000 dCS DACs really worth big bucks?

    I third 'the motion' -lol. For sure, digital circuits demand the cleanest AC power possible (AC-Re-gen., Symmetrical (Balanced) AC power). I've been saying this for 20-years (and counting) ... pj
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    Are the $19,500 Berkeley and $35,000 dCS DACs really worth big bucks?

    With enough talent, mod's can be carefully considered; messing with a Berkeley 'Alpha" DAC however is something I'd never consider -those guys (apparently) fuss over every tiny detail. To think that inserting said (modder) part(s) without considering all other possible interactions (synergy), is...
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    Are the $19,500 Berkeley and $35,000 dCS DACs really worth big bucks?

    Beautifully spoken. Excellent reply. I note your (rightfully) disappointing assertion in: " 4 years ago, I had the Audio Note DAC 4.1 Balanced, and wanted a spare DAC for my parents house to use with my Stax 007s. I read so many insanely positive giant killer reviews of the Metrum Octave Mk1...
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    Are the $19,500 Berkeley and $35,000 dCS DACs really worth big bucks?

    Price points; Berkeley 'Alpha REF-2 MQA' ($20K) and $35K dcs ? I found the following interesting and ironic, quote : " An expensive piece of gear doesn't automatically guarantee top quality parts." In todays day/age it would then be picked apart mercilessly -particularly at its...
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    Are the $19,500 Berkeley and $35,000 dCS DACs really worth big bucks?

    Seriously ? LOL. Seriously now. It must take an amazing imagination (obviously possessed) to think a back-yard mechanic type has either the skill/ability or even qualifications to either modify or make comparisons to world-class products designed by authentic engineering chops. It's simply...
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    Constellation Audio Centaur

    Constellation Audio "Innards" No, you are not the only one. I contacted CA and asked about the "reasons" the internal wiring looked like a mess (i.e. Garage-Build), --specifically the transformer wiring using off-the-Wal-Mart Shelf twisit ties ? What's worse is the unit-to-unit...

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