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ray-dude

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About ray-dude

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    Southern California

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  1. Perhaps best to wait until both products are in the hands of real people? With listening impressions, a discussion of technological advantages and how they impact listening impressions would make a lot more sense. I'm very much looking forward to both products being in the wild, and hearing what people hear.
  2. To followup, this is sometimes easier to (literally) see if you look at image processing. There are different ways to upsample an image, all of which have pluses and minuses: https://clouard.users.greyc.fr/Pantheon/experiments/rescaling/index-en.html Same is true with audio. The nasty wrinkle here is that these algorithms work in reverse when down sampling. When that DXD master file (24 bit 352kHz) gets processed to generation the CD quality file you stream or buy, depending on how that is done, there would be irreversible damage done to the original digit
  3. There is a whole field of Information Theory devoted to this subject. See for example: https://en.wikipedia.org/wiki/Whittaker–Shannon_interpolation_formula Directly germane to audio, with sinc-based filters used to interpolate values in upsampled music (for example, as used in Chord DACs). The impact on time-domain accuracy/reproduction is profound. It is not the upsampling that intrinsically improves SQ, but the algorithms and filters used in upsampling that improve SQ. A high resolution file can sound worse than redbook, or it can sound like the origin
  4. I have a preproduction prototype installed under my water heater, powered by my solar array. Green+SQ FTW!
  5. The fact that Taiko is opening up power supplies and chassis to the DIY community but retaining the USB card as exclusive for Extreme owners is a tell for how significant the impact of this card is. The bar has definitely been raised to a completely new level.
  6. I've had my Taiko USB card since Monday. Quite the transformational impact. Card is still settling in, but a definite winner (to say the least) I have not tried other cards with the Extreme, but I've seen a lot of feedback from others of other cards not being as good as the built in USB. My experience was that the tX-Ultra actually degraded SQ with the Extreme (compared with going direct to the built in USB). With the new Taiko USB card, the SQ lift is definitely in the game changer category. Looking forward to doing proper deep dive after it has settled out.
  7. 2000A for the wrench is about right (although a little too slow to be useful)
  8. the darker backgrounds of the black DAVE are to die for (right @Doody ?) Black DAVEs rule, Silver DAVEs drool (sorry not sorry)
  9. https://open.qobuz.com/album/o267egjhgdckb What started as a Kickstarter several years by an unrecorded orchestra for a never recorded piece by a long neglected composer has culminated in a Grammy...well done to the Experiential Orchestra for the vision, passion, and resolve to see this project through! Ray
  10. I have 3 Topaz units and all of them generated a bunch of heat and buzzing in my home. When I switched them to balanced power config, maybe 95% of the heat and the buzz went away (cool and quiet as a cucumber). Note that not all electrical items (lamps etc) play nice with balanced power, although all my audio equipment (to date) has. If you're not sure what you're doing, don't experiment, and if you do know what you're doing, make sure you keep civilians in the house from accidentally plugging something into the units that they shouldn't.
  11. I'm 99.9% 2 channel listening these days (at home, no office), but I have a Hugo TT2 for the Abyss headphones (DAVE is not quite manly enough for those cans) In the upsampling experiments I've been doing, there is a definite and tangible benefit to reconstructing signal from redbook sources (Chord DACs do this natively, but one can go well beyond what Chord DACs and even mScaler can do with SW upsampling). The main benefit is in the time domain. We don't hear 705kHz steady state frequencies, but we do hear timing cues at a time resolution that is enhanced at those frequencies.
  12. In general, Chord DACs do better with PCM content. The more upsampling you do (mScaler or HQP sinc filters), the better PCM performs. That being said, each release is mastered through a different pipeline, and any digital processing will impact what you're hearing through DAVE. As a rule of thumb, I try to purchase music as close to the original mastering format as possible (98 times out of 100, that is PCM). Alas, with SACDs, some SACDs have different masterings on the SACD DSD layer than the redbook layer. It makes it that much harder to compare DSD64 vs redbook
  13. Congratulations @happybob! Within a week or two, you'll be hearing what the DC4 can really do (although it will go through a roller coaster getting there). Very much looking forward to hearing your impressions with headphones direct. I neglected to do those listening tests when the DC4 was here, so it will be interesting to if/how the DC4 helps with the headphone output for demanding cans like the Abyss's
  14. View Classified Matrix Audio X-SPDIF 2 and Lifatec Silflex glass SPDIF cable For sale is a Matrix Audio X-SPDIF 2 digital to digital converter (supply your own power supply), with a Lifatec Silflex glass SPIDF cable. Outstanding SQ, esp. when powered well. Along with my NUC and tX-Ultra, this was part of my reference chain before I moved to the Taiko Audio SGM Extreme. $350, buyer pays shipping (CONUS please), I'll take care of PayPal fees. Please see photos and PM with questions (what is pictured is what is for sale)
  15. This listing is completed.

    • FOR SALE
    • USED

    For sale is a Matrix Audio X-SPDIF 2 digital to digital converter (supply your own power supply), with a Lifatec Silflex glass SPIDF cable. Outstanding SQ, esp. when powered well. Along with my NUC and tX-Ultra, this was part of my reference chain before I moved to the Taiko Audio SGM Extreme. $350, buyer pays shipping (CONUS please), I'll take care of PayPal fees. Please see photos and PM with questions (what is pictured is what is for sale)

    350.00 USD

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