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  1. Folks - this cable is less than 1 year old, hardly used. Balanced sound, deep bass and smooth detail. Selling due to longer cable length needed.
  2. The USB cable is specifically designed for computer audio applications. The design improves upon our previous cable by including passive filtering and a totally new cable design. The Ultimate uses the largest gauge conductors allowed by USB standards to allow for accurate signal transfer up to 5 meters compared with other computer USB cables, which are limited to a few meters. This allows computers can be located away from audio components without compromising performance. The Purist Audio Design Ultimate USB Cable utilizes precision construction techniques and superior noise rejection result in a richer, more natural sound compared with computer USB cables. The cable also incorporates low noise dielectrics and double shielding providing superior noise performance for better resolution of musical details and a wider dynamic range. Note: Some computer USB outputs cannot drive longer lengths of typical USB audio cables. Purist Audio Design USB Audio Cable is a high resolution, high speed cable that will pass a high quality DAC signal over longer lengths than expected with a wide assortment of computer interfaces. Configuration: USB A to USB B Shipped for free in continental USA. I accept Paypal, Venmo.
  3. Background: Using Roon for a couple of years, separate Core PC, ethernet to Bryston BDP-3->USB-> -> Uptone REGEN with LPS -> Bryston BDA-3 DAC (does native DSD up to 256) and PCM to 384K. I use Tidal but may switch to Qobuz. Considering: To move away from Roon after hearing Audirvana -> USB -> BDA-3. Can't do DSD over DLNA to BDP-3, so considering taking BDP-3 out of signal path. REGEN will remain in signal path. Also looking at Daphile -> USB -> BDA-3 or JPLAY -> USB - BDA-3 (but must use mConnect or Bubbleupnp on an android device, but don't like this interface. Does anyone have experience with these choices (or close enough)? 1. Windows PC running Audirvana/Daphile (dedicated device) -> DLNA -> RopieeeXL Pi (or endpoint for renderer) which supports DLNA DSD -> USB -> BDA-3 OR 2. Windows PC running JPLAY/Audirvana/Daphile -> USB -> BDA-3. Thanks for your input. Regards, Ian
  4. To further this thought, let's keep in mind some of the questions that your beginner/newbees may ask. Is this a simple hook up of a digital source to a DAC (#1) or are they looking to have the PC, etc. have the source (and streaming) coupled to a remote control on an ipad (for example) (#2)? If the answer is #2, then the architecture of the solution and the choices would be different in some cases. Probably USB out to a DAC capable component would sound better than an onboard soundboard of a Pi or Linux server. Would RUNE as an alternative to Volumio be a viable option?
  5. I'm in no way affiliated with Roon. But I'm subscribing not only for Tidal (an audiophile quality streaming service), but for these benefits that Roon brings us: 1. Single/Centralized method for managing your libraries of music and delivery of music 2. Intuitive user interface along with a great deal of meta data that makes it more interesting than just listening to the music (just like the vinyl days) 3. Integration with various end points - soon to come Bluesound, Sonos, Airplay, DACs, Music servers, etc. through one consistent interface (along with above) 4. Flexibility to implement - RoonOS devices (plug and play), Linux or Windows versions. 5. Sound quality - to deliver audiophile quality, subjective and due to your instantiation of Roon and devices From my understanding, other streaming services like Spotify are not lossless, yet. If TIDAL is no longer, which one would fill its shoes (if at all) and be integrated with Roon is the question?
  6. if you look at the Roon website, they talk about Windows and Linux and MAC OS. Running Roon Core on any these works fine, sizing (CPU, memory) depends on your library size. I'm using Intel i5 NUC with SDD and 8GB RAM with Buffalo NAS. Get fastest disk possible for Roon database, keep music library on NAS. Use Raspberry pi (I'm using Pi3 with WIFI disabled) for endpoint with Roon Bridge, USB (better than cheapo 0- I'm using Audioquest for now) with UpTone REGEN (to eliminate noise). I use an iPad for a controller. Sounds great. Have fun!
  7. Some thoughts in response to your points. I'm not asking for a Nirvana solution, but which combination "sounds" the quietest when listening through an audio system all other components remaining the same? For example, Raspberry Pi 2 (or 3 without wifi turned on) vs a fanless box PC device running Linux (Gigabyte BRIX)? How about including the devices marketed as audiophile types? In respect to "crud" it doesn't interfere with digital content being sent otherwise data integrity would be lost, but it does show up through the same "pipes" like RFI interference.
  8. Hi One and a half (interesting name), We can keep going lower and lower on the IT stack to realize that everything contributes to sound quality. So, if I read you posting correctly, changing an OS has a knock on effect on the hardware components acting on a process that changes the noise level/floor. What combination of OS and hardware runs the quietest? Which OS can be configured to have the least amount of extraneous processes? Maybe that's a benchmark that can be tested/validated? Is this leading to the conclusion to procure a dedicated appliance, like Bryston BDP-2 and throw away this idea of using software based devices like ROON that run on traditional PC based hardware?
  9. Thanks for the replies guys (Firedog and Paul) as you both bring up valid points. I'm not questioning the adverse impact of RFI noise, timing, or other variables that can affect sound. I believe the thread's originator asked a question (in the title) about which OS is better to use Windows or Linux. I was trying responding to that specific question. As we all know its the combination of the interaction of the software, OS and hardware (the "package" which includes the connection from device to DAC or preamp) that we're trying to optimize to obtain best possible sound. To Paul's point, its not the OS itself, but configuration (speed of processor, allocation of processors/threads, turning off of unneeded services and associated hardware, like WIFI, etc.) that can affect performance and the output (ultimately sound), positively/negatively/differently. My thoughts are that for Roon CORE (for example), the machine/server and its OS should be setup purpose driven without introducing unneeded/extraneous crap and then "tuned" where possible to provide best sound (to each his own) possible, hence my thinking of ultimately using Linux. Like in the analog world one never knows how components sound until they hear them together (such as source, preamp, amps, speakers, cables, room acoustics, etc.).
  10. i'm getting into computer audiophile land with the installation of Roon, HQplayer, Jriver and looking at Runeaudio and others too. I've been involved with technology for my career for data processing, not digital sound processing. So based on my understanding of these programs, I can't think of a reason that an OS can change SQ by itself. When you look at appliances (dedicated DACs, etc.) they run LINUX or some variation because of its ability to be tailored to the need, utilize memory efficiently, are reliable and maintainable. Basically, Windows is not an appliance OS, I'm sure there are exceptions. The OS can help software run more efficiently, thereby decrease typical system issues, like memory usage/swap/virtual memory, disk I/O, etc. I think Firmware can have an effect on SQ, probably moreso given its more closely tied to the hardware. So, if I'm gonna run ROON CORE, its going to use Linux. Today i'm running on Windows 10 pro as a pilot to see if I like its architecture (CORE, Bridge and controller) and features.
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