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#4069 Null Vs. Direct Output

Posted by darbonne on 17 February 2012 - 06:18 AM

I am using jPlay with J River and have set the software settings as noted in the setup. The setup calls for the output to be set Null. When I do that I completely lose the sound. When I set it back to Direct it works. Which is the correct setting for jPlay?/wp-content/forum-smileys/sf-confused.gif
  • WazneLed, Galenfeex, BrantNags and 34 others like this

#822 DAC recommendations for Jplay

Posted by Marcin_gps on 14 July 2011 - 09:41 AM

Hi everyone,    I've been searching for a good USB/Firewire DAC (or DAC+USB-to-S/PDIF combo) for few years now. Ideally I would like to have one-box solution with support for all sample rates up to 192kHz over USB/FW. Headphone amp, balanced outs are not required. Right now I see few candidates. I would appreciate your feedback - if anyone had a chance to audition one of those with jplay - please share your comments (how does it sound, what bitstream size and minimum buffer size). Or recommend other units, that I'm not aware of :)   - Antelope Zodiac Gold + Voltikus - it has everything I'd ever want from a DAC. A bit pricey, but at least I know what I'm paying for.  - Lampizator DAC with USB (async, 32/384) - I had one in my system for a while, but without USB connection. I fed it with RME AES-32 card. The sound was terrific, the best I've heard.  - Anedio D1 - waiting for upgraded version with hi-rez support over USB. - Calyx 24/192 DAC - good USB implementation, ess sabre like anedio, nice looks - Hegel HD20 - nice jitter reduction, found an opinion that it bests Ayre QB9, relatively cheap  - Burson Audio 160D - 24/96 only, great headphone amp, which I don't need (STAX fanboy) - W4S DAC2 - this one uses m2tech drivers so low buffer is possible, but I've seen comments/reviews which indicated it's not that good - db Audio Labs Tranquility - it tempts me the most to try it although it doesn't support hi-rez, it's USB only and NOS - haven't heard one before!   Of course it would be great if I could listen to all of these DACs in my system, but it's impossible, so eventually I'd have to get one in blind. The good thing is that USB-capable converters are getting very popular and there will be a lot of new models soon, hopefully better :)   Cheers,  Marcin
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#46042 Test Tracks

Posted by The Chaplin (Peter C) on 20 November 2018 - 10:46 PM

Thought it would nice to share our test tracks. 

Stop me if we have a topic elsewhere :) & let me know where thanks.


Here is my current list:


Boston\Boston (DSD64)\03 Foreplay Long Time.dff
Camel\Rain Dances [2014 SHM SACD DSF]\01 - Camel - First Light.dsf
Dire Straits\Communique (2012 SHM SACD DFF)\09 - Follow Me Home.dff
Eric Clapton\461 Ocean Boulevard (2010 SHM SACD DSF)\10 - ERIC CLAPTON - Mainline Florida.dsf
Esbjörn Svensson Trio\Viaticum (DSD64)\05 - Esbjörn Svensson Trio - Viaticum.dff
Goldfrapp\Supernature (DSD64)\03 - Goldfrapp - Ride A White Horse.dff
Joe Satriani\Strange Beautiful Music (DSD64)\01 - Joe Satriani - Oriental Melody.dsf
Lynyrd Skynyrd\Second Helping (2014 AP SACD DSF)\01 - Lynyrd Skynyrd - Sweet Home Alabama.dsf
Peter Gabriel\So (DSD64)\01 - Peter Gabriel - Red Rain.dff
Peter Gabriel\Up (DSD64)\01 - Peter Gabriel - Darkness.dff
Peter Gabriel\Up (DSD64)\02 - Peter Gabriel - Growing Up.dff
Peter Gabriel\Up (DSD64)\03 - Peter Gabriel - Sky Blue.dff
Peter Gabriel\Up (DSD64)\04 - Peter Gabriel - No Way Out.dff
Peter Gabriel\Up (DSD64)\05 - Peter Gabriel - I Grieve.dff
Peter Gabriel\Up (DSD64)\06 - Peter Gabriel - The Barry Williams Show.dff
Peter Gabriel\Up (DSD64)\07 - Peter Gabriel - My Head Sounds Like That.dff
Peter Gabriel\Up (DSD64)\08 - Peter Gabriel - More Than This.dff
Peter Gabriel\Up (DSD64)\09 - Peter Gabriel - Signal To Noise.dff
Peter Gabriel\Up (DSD64)\10 - Peter Gabriel - The Drop.dff
Roxy Music\Avalon (DSD64)\03 - Roxy Music - Avalon.dff
Steely Dan\Gaucho (DSD64)\01 - Steely Dan - Babylon Sisters.dff
T. Rex\Electric Warrior (DSD64)\02 - T.REX - Cosmic Dancer.dff
The Dave Brubeck Quartet\Time Out (DSD64)\04 - The Dave Brubeck Quartet - Three To Get Ready.dsf
The Who\Who's Next [2010 SHM SACD DSF]\09 Won't Get Fooled Again.dsf
Van Cliburn\Van Cliburn, piano - Tchaikovsky Piano Concerto No. 1 (DSD64)\05 - Van Cliburn, piano - Adagio sostenuto.dff
24 bit 192Khz, 96Khz & 88.2Khz
Coldplay\Parachutes (24-192)\1.05  Yellow.m4a
Cream\Wheels Of Fire (2010 SHM-SACD)\01 White Room.m4a
David Bowie\A New Career In A New Town (1977 - 1982) (24-96)\2.03  'Heroes' (2017 Remastered Version).m4a
David Bowie\A New Career In A New Town (1977 - 1982) (24-96)\2.06  V-2 Schneider (2017 Remastered Version).m4a
David Bowie\A New Career In A New Town (1977 - 1982) (24-96)\2.10  The Secret Life of Arabia (2017 Remastered Version).m4a
John Mayer\Heavier Things (2003 SACD)\08 Daughters.m4a
Kate Bush\50 Words For Snow\06 50 Words For Snow.m4a
Leonard Cohen\Popular Problems (24-96)\1.07  Nevermind.m4a
Paul Simon\Graceland (24-96)\1.05  Diamonds On The Soles Of Her Shoes.m4a
Pharrell Williams\G I R L\05 Happy (from Despicable Me 2).m4a
Roger Waters\Amused to Death (2015 24-192)\1.14  Amused to Death.m4a
The Who\Who's Next (2010 SHM-SACD)\09 Won't Get Fooled Again.m4a
Van Halen\The Collection\1.10  Ice Cream Man (2015 Remastered Version).m4a
Daft Punk\Random Access Memories [2014 Limited Box Set Edition 24-88]\1.03  Giorgio by Moroder.m4a
16 bit 44.1 khz
Chris Jones\Moonstruck & No Looking Back\1.01  Long After You're Gone.m4a
Chris Jones\Roadhouses & Automobiles\1.05  No Sanctuary Here.m4a
Simply Red\Picture Book\02 Sad Old Red.m4a
I may come back to update some of these as I'm getting into some DCC Steve Hoffman remasters which are sometimes better in 16 bit than the HI Res recent remasters

  • JafesSet, Zharleserorm, AurumX and 26 others like this

#48334 Lowest Common Denominator

Posted by JazzDoc on 15 April 2019 - 12:50 PM

I have had a computer audio installation as a part of my system for the past nine years. I started with a very simple single PC/JRMC/JRemote installation and over the years have progressed to dual PC/JPLAY Femto/AO 3.30 Beta/Process Lasso Server/Fidelizer Pro/BubbleUPnP. In the time that I have used computer audio, I have used Windows 10/2012 Server (GUI and Core)/2016 Server/2019 Server. I have always used my Naim Audio DAC, powered by a Naim Audio XPS power supply. I recently changed my S/PDIF converter from M2Tech HiFace Evo to Singxer SU-1. The sound that I am able to achieve now is without doubt, superior to the sound quality achieveable with my original Windows 10/JRMC/JRemote setup. Had JRiver not prevented the use of JPLAY with their software, I might still be there. Although JRiver referred to JPLAY as 'a hoax', my experience was that it did indeed significantly improve sound quality. My current setup is good. It is largely stable and reliable and it enables me to enjoy music although I have always felt that something just isn't right.


On Saturday, I went to my local vinyl store for the first time in years. It was Record Store Day and I wanted one of this year's available RSD releases. When I brought the record home and played it, I realised what was wrong. ith digital audio, both CD and DAC based, the sound seems recessed and flat. With vinyl the sound comes into the listening room with the listener, offering an almost holographic presentation of the music. I tried a few more digital vs analogue comparisons and found that my initial experience was consistent. Playing a vinyl album offers a quality of sound that is vastly superior to either of my digital sources.


I am aware that my computer audio equipment is long in the tooth. I have never heard a really good high end computer audio setup. It would I'm sure, make for an interesting comparison. I can't afford to get myself a high end computer audio setup. Having retired from work, my upgrading days are gone. I wonder though if it is the case that digital sound cannot rival its analogue counterpart. There are many who will tell you that this is the case.


As previously mentioned, I would be really interest to hear a comparative listening test between a high end computer audio setup and a high end vinyl setup.

Each has its relative advantages. CD is low maintenance, computer audio is mostly low maintenance and vinyl, by comparison, is relatively high maintenance. The listener is required to turn or change the record every twenty minutes or so, styli need to be treated with utmost care and kept clean. It can be a hassle.


I have a friend who is a devotee of analogue sound. For many years, he has built his own turntables and has frequently attempted to explain to me in technical terms why digital recording and replay can never equal analogue. He does not have and has never had, a digital source component in his system. I wonder if he is right and that a reference sound can never be achieve with digital components. The lack of general availability of vinyl will of course, influence equipment choice. I am most certainly glad that I have retained my vinyl collection of around 3500 albums, mostly purchased in the 1960s and 1970s.


Wonder where the audiophile market will go from here.

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#57422 Windows 11 PE Audiophile Creation Guide

Posted by samotc on 26 November 2021 - 08:23 AM

Hello everyone, I finally finished the guide, I hope it will be useful for everyone who wants to build a Windows PE Audiophile, both 11 and 10, it is valid for both.
I have tried to make it easy to read and I intend that anyone with a little computer knowledge and who is not an expert, can build their own audiophile Windows PE.
Why windows PE as audio OS?
First of all, it takes up very little space, just over 1GB.
Second, it runs on RAM and only needs 2GB to run
Third, it runs with very few active processes and services, so most of the optimizations that are described in this, and other forums, already have them done, so the pending tasks are much less.
And a quarter; It sounds great, it has a great sound, even without tuning.
I encourage everyone to build one, 10, 11 or both, tune it up, and compare with what you have, and finally stick with the one you like best.
At the end of the day, what it is about is trying, experimenting and advancing in the achievement of our goals, neither more nor less than learning and enjoying music, and also learning.
I believe that all doubts and questions regarding the guide should be channeled through this thread, not through private messages, so we all learn.
A hug to all.


Attached Files

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#60316 Pink HQ + Minorityclean

Posted by HungryBear on 08 August 2022 - 01:44 PM

HungryBear's TrustedClean v1.44
TrustedClean is installer for OryA's jitter-eliminating software. It aims to make the installation as simple as possible, while giving you the best sound possible, automating most of the tasks necessary to properly launch ES/MC/LE.


  • Brand new affinity management with proper core isolation. TC 1.44 use new method of launching that is basically a combination of PL-style core isolation with Asynchronous Live startup method. For each CPU core, TC will automatically launch single instance of ES/MC/LE isolated to that core, and each instance will be launched with 12s time delay to the previous.
  • Each instance can be launched with High IO Priority. This give an improvement on par with RAMdisk, assuming that you are using good NVME drive, making RAMdisk unnecessary in some cases.
  • Full compatibility with ExerciseStabilizer
  • AllCoresExeLauncher updated to rev2
  • Portable version for ultimate purists
  • Launcher was rewritten to further tighten the timing of Asynchronous mode, launching each instance with even more accurate time delay
  • Setup will alwalys ask for destinaion path - good for moving to or from RAMdisk
  • TrustedClean do not rely on filenames for terminating instances and setting priorities anymore, to guarantee compatibility with any software that might be released in the future
  • TrustedClean can be used to automatically set High IO priority to ES/ME/LE and any other application you choose
  • Many other improvements for better compatibility and reliability
  • Installation is as simple as it can be. Just place ES/MC/LE files in TrustedClean folder. That's it. ES updated? Just replace the files. Done. Filenames doesn't matter.
  • AudiophileOptimizer and other similar tools are breaking TrustedInstaller. TrustedClean will automatically check and repair TrustedInstaller service and its components.
  • Works on extremely modified and headless OSes - does not rely on user logon for startup.
  • ES/MC/LE startup routine begins 2 minutes after the computer startup. During first minutes after the boot, OS is busy doing housekeeping and this might cause micro-stutter and latency, which ruins the timing and makes the sound worse.
  • Process Lasso Optimizer will automatically exclude ES/MC/LE, your media player and ASIO drivers from ProBalance, IdleSaver, SmartTrim and Foreground Boost (optional)

Please turn off Process Lasso core assignment and/or any other affinity management software to get the benefits of TrustedClean.

AllCoresExeLauncher rev2 is integrated with kind permission of OryA.


Download links:


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#49225 New dedicated computers and new case

Posted by FelipeRolim on 29 July 2019 - 06:38 PM

Hello friends. I created this topic to share with you the photos of the new case I built for dedicated computers (the software is the same as always - Windows Server 2019 Datacenter Core Mode and JPLAY FEMTO). With more time, I will insert in the descriptions about the reasons that led me to adopt this new layout, as well as the sound that I have obtained with the last changes.


Since there are so many photos, I created a shared folder to access and view.




Attached Files

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#49196 New Audiophile Build

Posted by mdskier on 24 July 2019 - 05:10 PM

First off I would like to thank all of you participating in this forum for the valuable information.  Yes I have been lurking for a longtime.  :)
My current CAT is a Asrock ITX motherboard with a Intel I7, a SSD and HDPlex 100W LPS running Win 10, Jriver, A.O. 3.0 and Fidelizer 8.4.  My library is housed on a Synology NAS.
So here is my new system build.
Case: HDPlex H5 2nd Gen
Processor: Intel E-22XX
Ram: Apacer ECC DDR4 2666
SSD: Apacer SLC
Power Supply: HDPlex 200W LPS 
Already have
JCAT Reference SATA Cable 
I am sure I could crazy but here this is a good start.  :)
More to follow as I source the components.

  • Thuan, Benizonibex, RickezTeera and 13 others like this

#43338 Jazz trios

Posted by Marcin_gps on 07 May 2018 - 07:16 AM

I know the topic is well known to many music lovers and audiophiles. I'm a huge fan of jazz trios myself; classical, modern, melodious, jumpy - all styles really.

Recently at the local jazz festival in my city (Jazz nad Odra) I discovered a pianist & composer Dan Tepfer. His music and style are so different from what I'd known that I needed a moment to adjust. Once I did, the music really touched me. I can recommend his latest album 'Eleven Cages'. It's available on tidal. Here's a sample, hope you enjoy it:



Have you discovered any interesting jazz trios lately? Please share :)


Best regards,


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#59636 Pink HQ + Minorityclean

Posted by HungryBear on 06 June 2022 - 11:33 AM

HungryBear's TrustedClean v1.3

What is HungryBear's TrustedClean?
TrustedClean allows you to run unlimited number of MC/LE instances with NTAuthority or TrustedInstaller privileges. Automatically, on system startup. No user input needed, whatsoever. Not even when updating MC/LE versions.

What's new?

  • Asynchronous mode of execution - Each instance of MC/LE will be started with slight time delay to the previous. This significantly improved the sound in all systems we tested (optional)
  • No external software used in NTAuthority mode. Just pure batch script.
  • MC/LE startup routine begins half minute after the computer startup. During first seconds after the boot, OS is busy doing some housekeeping and it might cause some micro-stutter and unwanted delays, which ruins the timing and make the sound worse. This delay fixes it.
  • Realtime, High and Above Normal CPU priorities added
  • Fixed a bug that caused some instances to be occasionally left out
  • Installation is as simple as it can be. Just place MC/LE files in TrustedClean folder. That's it. MC updated? Just replace the files. Done. Filenames doesn't matter.
  • You can run unlimited number of instances with no extra work. Want to run 33 instances? Just place 33 copies in the folder and TrustedClean will take care of the rest. Automatically, on each startup.
  • You can easily switch between NTAuthority and TrustedInstaller privileges
  • AudiophileOptimizer and other similar tools are breaking TrustedInstaller. TrustedClean will automatically check and repair TrustedInstaller service and its components.
  • No additional processes or services. Just MC/LE.
  • Works on extremely modified and headless OSes - does not rely on user logon for startup
  • Process Lasso Optimizer feature will automatically exclude MC/LE, your media player and ASIO drivers from ProBalance, IdleSaver, SmartTrim and Foreground Boost (optional)

Many thanks to VonBrechts and Thuan who helped me tremendously with betatesting and determing the optimal values for Asynchronous mode - we went back and forth, testing various values for long hours. In fact, VonBrechts found the value for Asynchronous Live which ended up to be the favorite value for all betatesters.


Download link:

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#45686 Requirements for a dedicated computer

Posted by FelipeRolim on 13 November 2018 - 01:06 AM

Since I had the feeling that the real performance of a stereo system isn't achieved by a desktop blu-ray player, but with a completely dedicated computer, I spent a lot of time on the mission of extracting the best I can from a dedicated computer. For this, many and many hours of studying and listening have brought me to the current stage, with at least one computer that I think performs well. In this topic, my goal is to write some things that I consider for a computer assembly, things that I took into consideration, things that worked for me, and that's why they represent my personal opinion on the subject.


The first thing that I consider essential in a dedicated computer is a linear power supply. First, talking generically, what I have to say is: every low signal source that's part of the system (computer, pre-amp, DAC, e.g.) is extremely more sensible than high signal source (usually amplifiers and integrated amps). It happens because the SNR between them is very small, in direct comparison. For example, a noise of 0,5v represents much more for a circuit with a voltage of 1,5v, 4v or 5v (as in the USB connection, or between DAC and pre-amp, or between pre-amp and amplifier) ​​than for a circuit with 35v signal (amplified output). This makes a special care with noise necessary for our systems, especially high frequency noise. Many people say that electromagnetic shielding is enough, but it just physically isolates the circuit elements. I could, e.g., insulate a transformer with mu-metal, or a power supply, and probably the high-frequency irradiation will be controlled. However, there are other two big strands that are part of the equation: a) controlling EMI/RFI waves irradiation doesn't mean that they won't exist amymore, but just will remain closed. I mean, by enveloping a computer power supply, for example, all radiated noise will be confined within itself, reflecting indefinitely (there is a difference between absorbing and isolating); b ) even with a control of the phisycal incidence of electromagnetical waves, we cannot forget that noise also circulates over the conductors. And not just that. High-frequency noise has no "path", no definite direction. At the same time that it comes with the power cables (phase and neutral), it also returns through the same cables. In a few words, it means that the noise generated by a switched power supply propagates through internal components, spreads to the equipments through the USB cable, the coaxial cable, the RCA/XLR cables and reaches the speakers, but also returns by the electric cables to feed the other equipments directly by the transformer. This is, therefore, a double loss, since, with a switched power supply in the system, everything loses: DACs, preamplifiers, among others, and not just the equipment with a switched power supply. Not long ago I was highly contested in a Facebook group when making these notes, but no one was willing to prove me the opposite with the use of an oscilloscope. It's obvious that's there are linear PSU and linear PSU, switched PSU and switched PSU, and that an excellent switched power supply can be better than a bad linear power supply, but, in principle, working at 60Hz and with adequate filtering (and a few other things), a linear power supply, by its nature, can achieve a better level of performance.


Based on several assumptions, I developed and tested a dozen linear power supplies to arrive at the final form of what I have today. I believe that implementations are possible, but this isn't the focus of my dedication now. The fact is that after I completely removed any and all switched power supplies from my system, the performance level went up severely, and as I was implementing the computer and other items, I noticed that much of what I heard was due to the fact that the computer didn't has a switched power supply, and I was able to prevent it from inserting noise into the network or audio path. So, I consider that the first and one of the most important care of any audiophile that wants to build a digital stereo system is the non-use of switched power supplies and, of course, the adoption of good performance linear power supplies.


In next post, I'll write about the hardware of a dedicated computer (motherboard, processors and others). Hope you enjoy.


PS.: for those interested, I can also talk and explain about the construction of my linear power supplies, already apologizing for my bad English.

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#66873 For sale; various Jcat items & other accessories

Posted by timd on 08 November 2023 - 03:27 PM

I’m selling these items as I recently upgraded to the Xact S1 so I no longer need these.

Pricing does not include postage.


I’m happy to consider a package price for multiple items bought together.


PM me if interested.





Jcat USB XE  Less than 1 yr old    £425.00  1 unit available






Jcat - Bakoon Satri Power Supply BPS-02  To be tested prior to sale to confirm load & voltage.  £200.00   2 units available





ghent audio screened Gotham ATX cable/ 24 pin  700mm.  £35.00. 1 unit available




Original Jcat Sata cable.  400mm.  £175.00. 2 units available




Jcat optimo power supplies,  With cables in photos. £200.00.  2 units available




HD Plex 250W Hi Fi DC ATX Power Supply.  With cables in photos. 19V dc input.  £80.00  1 unit available





Iso Acoustics Gaia 2.  £170.00.  2 sets of 4, £170.00,  each set.




iSO Acoustics Gaia 2 Carpet disks.  £30.00. 2 sets of 4.  £30.00, each set.








Attached File  HD Plex PSU.jpg   441.08KB   2 downloadsAttached File  Isoacoustics GAIA 2 carpet spikes.jpg   318.22KB   1 downloadsAttached File  Isoacoustics GAIA 2.1.jpg   215.69KB   0 downloadsAttached File  Isoacoustics GAIA 2.jpg   360.8KB   0 downloadsAttached File  Isoacoutics GAIA 2 carpet spikes.2.jpg   336.14KB   2 downloadsAttached File  Jcat - Bakoon Satri Power Supply BPS-02 .2.jpg   245.58KB   2 downloadsAttached File  Jcat - Bakoon Satri Power Supply BPS-02.jpg   290.96KB   1 downloadsAttached File  JCAT USB XE 1.jpg   364.45KB   1 downloadsAttached File  JCAT USB XE 2.jpg   210.92KB   1 downloadsAttached File  JCAT USB XE.jpg   363.64KB   1 downloads

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#54482 Pink HQ + Minorityclean

Posted by oryaaaaa on 19 March 2021 - 04:34 AM

Today, I released MC 133. This MC133 improved quality MC98 version. From the various opinions I've heard, the SSE2 version seems to have lower jitter than the AVX2 version. It seems that the overall condition should be prepared by BODY-SSE2, and the player transfer process should be done by SOAP-SSE2, but there is no definite sign.
MC 133 = MC 98 base / Improve version
MC 132 = BODY from MC 98 / SOAP from MC 100
MC 131 = New / MC129 / MC126 / MC124
Based on the assumption that "NOP" is "XCHG ax, ax" and that they are fundamentally different instructions, I used the fashionable technique of "NOP NOP MOV ax, ax". I can't really determine it.
Yesterday, I visited a local shrine and was asked, "Why did you make Bug head?" and I thought it was because the source code had been open. So I'm attaching the assembler source code just before the build (resources and comments removed).
Thank you.

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#47453 Femto top of the top

Posted by brunohegy on 07 February 2019 - 10:36 AM

hello everyone, i wanted to share my experience, i'm on server 2019, femto, jriver, jremote, audiogd, amanero isolate, and my bill beard BB100 ...... i want to tell you c a meirveille i listen only dsd 128 in asio and c a real happiness, I tested a lot of products like Roon HQplayer, aurdivana, jriver and of course foobar, but none of my enjoy the pleasure and the quality of femto ..... BRAVO has jplayfemto ... ....

  • Marcin_gps, Thuan, SirtopH and 11 others like this

#37887 JCAT USB Card FEMTO

Posted by Marcin_gps on 15 September 2016 - 02:38 PM

I'm pleased to announce another great product: JCAT USB Card FEMTO which replaces the original JCAT USB Card model.

It's available now and ready to ship. More info here: http://jplay.eu/ml_p...usb-card-femto/




  • Gerazdgox, Galenfeex, BrantNags and 11 others like this

#49194 High-End DC Power Cables

Posted by Marcin_gps on 24 July 2019 - 03:21 PM




The JCAT DC cables extract true performance of a linear power supply that is masked by poor quality of generic DC cables included with a PSU. Replace those with JCAT and experience the sound on a completely new level.



No compromise audiophile-grade DC power cables that can be tailor made for your PSU and needs: motherboard CPU (world premiere), SATA drives, USB/NET Card etc. Pictured is a 4-pin ATX 5V to 2x SATA DC cable for use with the HD-PLEX 400W ATX PSU

Multistrand OCC wires made up of up to 221 ultra pure fine copper strands. OCC (Ohno Continuous Cast) wires developed by Professor Ohno at the Chiba Institute of Technology in Japan are used to eliminate impurities and grain boundaries which degrade conduction and consequent sound quality. Contrary to other copper wires, OCC copper is ultra (99.9999%) pure which allows the cleanest possible conduction

Advanced shielding prevents noise interference and guarantees a remarkable audio experience

Dramatic improvement of sound quality & image quality

More natural tone that is closer to analogue

The positive effect will improve up to one week from the installation

Once the DC cable is installed, the same directionality must be used to maintain the best sound quality

If the DC power cable for e.g. HD-PLEX PSU is ordered, it is designed to work exclusively with HD-PLEX PSU. Therefore the cable must not be used with other power supplies for safety reasons.

Motherboard DC power cable for CPU, a world premiere in computer audio, has the biggest impact on sound quality

Please specify the DC connectors and make/model of your power supply when placing the order. Available connectors and options included in the price are: motherboard 4-pin ATX (CPU), 2x DC jack 5,5/2,1mm, 2x SATA (pictured). The standard length is 1.4m


The cable is available now at the JCAT shop:  https://jcat.eu/prod...c-power-cables/

  • ellisdj, Thuan, FelipeRolim and 10 others like this

#44748 JPLAY Classic & JPLAY FEMTO released! - general discussion

Posted by Marcin_gps on 31 October 2018 - 01:46 PM

We are pleased to announce the availability of new products in the line-up: JPLAY Classic, available for FREE to all existing customers, includes the latest 7.0 revision of JPLAY Driver and JPLAYmini. 
JPLAY FEMTO trial includes JPLAY Classic
To all those who ask for JPLAY Classic - if you don't want to upgrade to FEMTO you will receive a FREE license code when JPLAY FEMTO trial expires
JPLAY FEMTO is a completely new product which features our proprietary UPnP media server software, femtoServer, as well as our own UPnP renderer. JPLAY FEMTO combines unrivalled digital playback algorithms with convenience that has not been available before. 
Download NOWfully-functional JPLAY FEMTO and test-drive it for free next 21 days without any obligations!  
SPECIAL OFFER for existing JPLAY customers!
For a limited time (until end of November 2018) all existing JPLAY customers can upgrade to JPLAY FEMTO for only 49 EUR! (the price for new customers is 149EUR)
Please visit this page to purchase the upgrade
(please note your email has to match the one used when buying JPLAY - only verified existing JPLAY customers are eligible for this special offer)
If you do not wish to upgrade to JPLAY FEMTO and instead receive JPLAY Classic for free, please send us an email  I want JPLAY Classic. You don’t have to decide now, you can use use JPLAY FEMTO for free for the next 21 days. 
For more details please visit this page:
Most important facts:
- DAC Link goes up to 1000Hz for both JPLAY Classic & JPLAY FEMTO
- JPLAY Classic includes JPLAYmini and JPLAY Driver updated to latest playback technology
- JPLAY FEMTO does not need MinimServer (although it's compatible), transcoding or Java. Please follow the new manual
- JPLAY FEMTO  supports DSD Native (RAW) playback via ASIO up to DSD256 and DoP up to DSD128. 
- JPLAYStreamer has been discontinued 
- New online activation method, also for free trial version (requires internet connection)
- Changes in EULA: one license is now valid for 2 PCs

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Posted by Johannes on 18 May 2018 - 12:38 PM

Hi. I just ordered the Pro-Ject Audio Pre Box S2. A MQA-supported DAC. Seems interesting. Does anyone know if it supports KS? I know wasapi and asio-drivers are provided. Liking UltraStream a lot these days.

Also: can Roon do full MQA through JPlay? Would be great to have those things working together.
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#31520 recommendation for spdif to usb

Posted by mishelanna on 31 August 2015 - 03:01 PM

can anyone recommend for spdif to usb converter below 2000$ .


mishelanna .

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#52893 Wavpack support

Posted by Stefano on 28 October 2020 - 02:34 PM



I'm not able to play only Wavpack files (.wv extension). I have my Wv files  locally stored on the same PC where Jplay Femto is running. Am I losing something? Does Jplay supports  Wv play?



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