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About Me

  1. Hi Everyone, I recently delivery of the SOTM tX-USBultra and posted my impressions on another thread, but here it is again for those interested in this device. Initial impressions of SOTM tX-USBultra: I got delivery of my unit yesterday, then I plugged it in my system in the evening. What I did is to critically listen to 3 or tracks on my system with configuration (1): (1) Nimitra (JS-2)>>Curious 20cm link>>Intona>>Curious 20cm link>>RUR (LPS-1)>>Curious 20cm link>>Brooklyn DAC. The system simply sounded fabulous, music just flows with a sense of realism and 3D especially after installing my two dedicated circuits (one for digital and another for analogue) Here I would like to mention that I upgraded my AO from version 2.0 to 2.10 and it made a significant improvement, then I upgraded to the beta AO 2.20 and the sound went to another level (more transparent, wide soundstage and better separation). Then I removed the RUR+LPS-1 and replaced them with the SOTM tX-USBultra powered by the second rail of the JS-2 at 12V (my unit has the 12v option) so configuration (2) is as follows: (2) Nimitra (JS-2)>>Curious 20cm link>>Intona>>Curious 20cm link>>SOTM tX-USBultra(JS-2)>>Curious 20cm link>>Brooklyn DAC. just out of the box without any burn-in, configuration 2 clearly elevated the sound of my system in all directions, most importantly to me, a sense of feeling that the music is so real and so clear you feel that the notes are sharper and more defined in the soundstage, a veil taken off the music! (a cliche but it accurately describes my experience) I didn't try to power it with the VR MINI because I use it on the Brooklyn and if I change this configuration, then it won't be A/B comparison anymore. My logic now is that I can improve it by freeing the JS-2 from feeding two units and keep it only to Nimitra and get a dedicated PSU to power the SOTM tX-USBultra, but too early now to make any decisions before I get my DC ammeter working. So (RUR+LPS-1) will be staying with me for a short time to do some A/B comparisons after 1 or 2 weeks when the SOTM tX-USBultra has settled in my system and most probably will be listed for sale. My learning is that isolation by ultra-capacitors is important but super clock with a good LPS can be more important. I hope this helps others on a similar path
  2. View Classified UpTone Audio ISO REGEN, USPCB A>B Adapter, Meanwell PSU From the UpTone ISO REGEN page: The UpTone Audio ISO REGEN is the first device—designed specifically for quality music systems—to deliver both true high-speed galvanic isolation and extremely high signal integrity in a single, small and affordable package. The ISO REGEN includes many significant enhancements over our famous USB REGEN (almost 4,000 sold worldwide)—the original device which changed the way audiophiles think about what matters in USB audio—and which spawned a number of imitators. Using and enjoying the dramatic musical benefits of the ISO REGEN is simple: Just insert it between your USB source and DAC. No software drivers are needed, your computer will “see” your DAC though the ‘hub” of the REGEN. All music data-stream formats are supported. And you won’t need any additional USB cables! NOTE: This unit is no longer available from UPTONE because the Silanna ICE09USB galvanic isolation chip was discontinued by the manufacturer two years ago and all stocks are gone. If you want one the only way to get it is on the used market. Includes the highly regarded USPCB A>B Adapter to go from USB A to B and a Meanwell 7.5V power supply. USPCB A>B Adapter – UpTone Audio ISO REGEN – UpTone Audio Price includes shipping to CONUS only and PayPal fees. Pairs well with an UpTone LPS 1.2. I have a couple of them for sale. If you want to buy several items from me, I can offer a discount. DM me and we'll work something out. Seller Jeremy Anderson Date 04/29/22 Price 300.00 USD Category Computers / Networking Gear  
  3. This listing is completed.

    • FOR SALE
    • USED

    From the UpTone ISO REGEN page: The UpTone Audio ISO REGEN is the first device—designed specifically for quality music systems—to deliver both true high-speed galvanic isolation and extremely high signal integrity in a single, small and affordable package. The ISO REGEN includes many significant enhancements over our famous USB REGEN (almost 4,000 sold worldwide)—the original device which changed the way audiophiles think about what matters in USB audio—and which spawned a number of imitators. Using and enjoying the dramatic musical benefits of the ISO REGEN is simple: Just insert it between your USB source and DAC. No software drivers are needed, your computer will “see” your DAC though the ‘hub” of the REGEN. All music data-stream formats are supported. And you won’t need any additional USB cables! NOTE: This unit is no longer available from UPTONE because the Silanna ICE09USB galvanic isolation chip was discontinued by the manufacturer two years ago and all stocks are gone. If you want one the only way to get it is on the used market. Includes the highly regarded USPCB A>B Adapter to go from USB A to B and a Meanwell 7.5V power supply. USPCB A>B Adapter – UpTone Audio ISO REGEN – UpTone Audio Price includes shipping to CONUS only and PayPal fees. Pairs well with an UpTone LPS 1.2. I have a couple of them for sale. If you want to buy several items from me, I can offer a discount. DM me and we'll work something out.

    300.00 USD

  4. Powering this dac using phone charger sounds kind of dirty and the harshness hurts my ears, I've tested Power Bank and it's really clean as they say, but the quality is kind of claustrophobic and very poor in bass, the same I've read in reviews about IFI Power Supply and IFI X (and the same for the USB filter IFI Silencer+), now I'm plugging directly into the notebook (The USB Data and Power cable), I've clearly noticed that the sound quality of the E30 is better than the above options, sounding good soundstage, clean, accurate without any audible noise or distortion, I would say it's a comfortable sound, BUT I sometimes feel a pain in my ear, like a ''needling'', it bothers me a LOT! Believe it's some kind of noise or interference from the USB ports. Could anyone recommend a good Power Supply Linear that is good in the bass and brings superior to what I mentioned?
  5. Hi, Could anyone help me with or give me pointer where to find info to connect the Amanero module (https://amanero.com) to the DAC board of my AN DAC 2.1x over I2S. I want to exploit the 18/bit192Khz capabilities of the AD1865, connecting my DAC 2.1x (Signature) via USB, bypassing the CS8412 receiver as this only goes to 96Khz. Thanks.
  6. View Classified Network Acoustics USB III For sale, Network Acoustics USB III cables in pristine condition. They were purchased new in March 2021& June 2021 respectively. Both cables has Type A to Type B connectors. A recent change in my system prompted the sale of these amazing cable. The NA USB III takes a bespoke approach, each of the Data, Ground and Power lines dielectrics are physically separated and isolated from each other, hence the acronym III. I have two cables available in 1.0M and 2.0M lengths. 1.0M - $659.00 - SOLD 2.0M - $995.00 If you think USB and Ethernet cables won’t make a difference, think again. The ENO USB Cable III delivers exceptional levels of detail and realism, in a natural, effortless presentation, completely devoid from digital artefacts and harshness. This USB cable capable of bringing the best out of any high quality Streaming device and DAC it connects and will transform the musical experience. Lots of glowing praises for USB and Network Acoustics ENO Filter / LAN cable, https://forum.audiogon.com/discussions/streaming-sound-quality-want-the-very-best-sound-quality-network-aco PayPal, add 3% fee. I will pay for shipping within 48 states. No lowball offers please. Description: With ENO USB Cable III we have taken the USB protocol originally designed for computing and extensively optimised every element of its design and construction exclusively for the reproduction of audio. We rigorously researched and tested the best materials and construction techniques for the conductors and developed bespoke dielectrics and shielding structures for each of the Data, Ground and Power lines, which we then physically separated and isolated from each other. The resulting ENO USB Cable III represents the very best sounding USB audio cable currently available. Key Features ■ Unique 3-Core segregated cable architecture. ■ Each core has a specifically designed dielectric and shielding structure. ■ High purity UPOCC conductors ■ Gold plated pure copper connectors. ■ 2 Years warranty. Seller zebo67 Date 07/06/21 Price 995.00 USD Category Cables  
  7. This listing is completed.

    • FOR SALE
    • USED

    For sale, Network Acoustics USB III cables in pristine condition. They were purchased new in March 2021& June 2021 respectively. Both cables has Type A to Type B connectors. A recent change in my system prompted the sale of these amazing cable. The NA USB III takes a bespoke approach, each of the Data, Ground and Power lines dielectrics are physically separated and isolated from each other, hence the acronym III. I have two cables available in 1.0M and 2.0M lengths. 1.0M - $659.00 - SOLD 2.0M - $995.00 If you think USB and Ethernet cables won’t make a difference, think again. The ENO USB Cable III delivers exceptional levels of detail and realism, in a natural, effortless presentation, completely devoid from digital artefacts and harshness. This USB cable capable of bringing the best out of any high quality Streaming device and DAC it connects and will transform the musical experience. Lots of glowing praises for USB and Network Acoustics ENO Filter / LAN cable, https://forum.audiogon.com/discussions/streaming-sound-quality-want-the-very-best-sound-quality-network-aco PayPal, add 3% fee. I will pay for shipping within 48 states. No lowball offers please. Description: With ENO USB Cable III we have taken the USB protocol originally designed for computing and extensively optimised every element of its design and construction exclusively for the reproduction of audio. We rigorously researched and tested the best materials and construction techniques for the conductors and developed bespoke dielectrics and shielding structures for each of the Data, Ground and Power lines, which we then physically separated and isolated from each other. The resulting ENO USB Cable III represents the very best sounding USB audio cable currently available. Key Features ■ Unique 3-Core segregated cable architecture. ■ Each core has a specifically designed dielectric and shielding structure. ■ High purity UPOCC conductors ■ Gold plated pure copper connectors. ■ 2 Years warranty.

    995.00 USD

  8. View Classified Uptone Audio ISO Regen + 2 x USPCB's For sale is my ISO Regen. Includes: - original box, - two (2) USPCB USB A > B adapters (one "standard" version, and one 90-degree angle USB B plug version for vertical placement of the ISO Regen/other USB devices) - upgraded power supply to the Uptone Audio-branded SMPS instead of the original, older Meanwell SMPS that came with the unit. The Uptone Audio-branded SMPS is one I have left over from a now dead Ultracap LPS-1, and should be at least a nominal improvement over the Meanwell stock supply. Still, I used the ISO Regen with multiple LPS's, including a LPS-1, a Teradak 30W, a Linear Solution LPS-912, and a Paul Hynes SR4 Turbo, which the ISO Regen scaled to very well and improved which each higher quality LPS it was tried with. I am only selling because I upgraded to a far, far more expensive SOtM tx-USBUltra Special Edition, and the ISO Regen is just sitting around. Given that the SOtM is literally over five times as expensive, the delta between the two of them is definitely not as big as you would expect, especially when you power the ISO Regen with a very good LPS. Priced low for a quick sale, but will entertain all offers. Price includes shipping in CONUS. I am the third owner. Seller internethandle Date 01/14/21 Price 160.00 USD Category Accessories
  9. Hi there, the setup is as follows: Qobuz studio plan Linn Kazoo on iPhone 6s Sonore microrendu in DLNA (settings to Lossless FLAC) USB asynchronous to Naim Dac V1 When playing back 192kHz albums, the highest the chain gets is up to 96 kHz. This is shown on Kazoo and the V1. Can someone help or does someone have an idea? Thanks!!
  10. Hi to all, I'm Andre with Volumio. I wanted to take the time to introduce myself and the PRIMO. As most of you know, Volumio is the leading media player software used by most audiophiles. Recently, the PRIMO , network music player and streamer , has been released. I am here to answer any questions and start a conversation about what you think of it and eventually even see if any of you would be interested in taking a closer look and share your opinions with the rest of the community. In a nutshell, the PRIMO is: not RPI based its actually Tinkerboard based with the software embedded, so no more SD cards and legendary connectivity issues of the RPI. no more DIY its a finished product in a proper box that takes its place amongst your system plug & play unbox, connect, power on, set up in less than 1 min and play. Volumio is well known for its intuitive user interface and experience. 3 in 1 outputs analog/digital/USB and plenty other features that you can check out here https://volumio.org/primo/ have a look and let me know if you have any questions or comments about it, I'm here to assit with this or any other Volumio related question. Regards Andre
  11. I'm using sparky usbridge(dietpi&allo gui system) connected to hydraz, then coax to dac. When playing pcm through squeezelite, everything is fine. But when it goes for dsd native output, dsd stream can not be detected by hydraz and of course no sound can be heard. Then I tried the dac's internal xmos interface. DSD native output goes fine. I guess this indicates incompletely supporting for sparky, right? So can someone help me get hydraz worked for native dsd playing on sparky?
  12. I sell an SOTM tX-USBexp pci-e USB card with mBPS-d2s psuThe card can be connected to the pci connector of the main board and reclock the usb signal.The psu is a dual battery psu so when 1 battery supply the card the other battery automatically charged himselfThe product are in 10/10 condition with original boxPrice 200 euro +15 euro shipped in EU (+40 euro to ship world wide)
  13. Hi! I got a new USBridge with DietPi, my intention is to use Squeezelite. My DAC is a Soekris 1101 USB DAC. I connect the DAC and power it on. It shows the 44khz - led while it waits for the source to connect. Then I power on USBBridge and wait until it boots up. The result is, that I don't get any sound at all: Squeezelite is "enabled" (which is a sign that somehow it recognizes that a DAC is connected, because without the DAC connected, Squeezelite stays "disabled"). However, Squeezelite refuses to play tracks. Prior to buy the USBridge, I got myself a Raspberry Pi 3 B+ and I installed PiCorePlayer in order to try out the compatibility of my DAC. It worked without problem. Given that I got it to work with a RPi, I thought I could buy a USBridge with no risk. Even more so, as the DAC is natively supportet by Linux according to the manufacturor. Some additional information: The power should not be the problem, as I connect the DAC through a device that cuts the USB power supply from USBridge and adds power from a clean (linear) source. If I connect the DAC directly, it does not power up (I suppose, USBridge does not deliver enough power). This setup works flawlessly with the Raspberry Pi 3 B+ and PiCorePlayer pCP4.1.0. While it boots, the 44khz-led switches off on the DAC. This is not a normal behaviour. Normaly, it remains on normally, or it switches to another value. This might indicate some issue on the communication between DAC und USBridge. Any possible solution??? And: I suppose that PiCorePlayer would not work properly on a USBridge, supporting the clean USB-port? Or would it? If yes, this would possibly resolve the issue for me. And if yes, how to... I am not familiar with eMMC - flashing... If it helps if I provide Log-Files or similar, please let me know how to get them, I am a complete newbie (I manage to SSH into DietPi with putty, but I have no idea where and how to find the log-files). THANKS INDEED in advance! Urs
  14. Early spring cleaning! Letting go of a bunch of stuff I do not use any more. All items ship free (Con. US only). Buyer pays PayPal or use friends-and-family. SOTM Trifecta: Modded SMS-200 (clock input) Asking $299. + txUsbUltra SOLD (12V version, clock output + 50 Ohms master clock input) + Dlink switch (clock input). Comes with all required clock cables (I have short 6 inch ones too), original boxes, power supplies (except 12V txUsbUltra does not come with one). Excellent and working condition. Aires Mini: In original box, near mint condition with all supplied accessories (no free Tidal subscription). Asking $315 LPS 1.1: Excellent working condition with the energizing supply. Asking ($Sold) Curious USB link cables: Type A-B 200mm link ($SOLD), 200mm cable for iFi DAC ($SOLD) SOTM Modded SMS-200: D-Link switch: Sold Aries Mini: (Sold) LPS 1.1: (Pending sale) Curious USB link cables: (Sold) tx-USBultra: Sold
  15. Hello everyone, For the past year I have been experiencing issues with macOS USB Audio implementation. Ocassionally, when using a USB DAC (in this case a Wadia di122) if there is a track change and the sampling rate is different to the previous track or idle state, there is a sudden burst of distorted audio and white noise coming out of the speakers. It sounds very similar to when one does process little--endian data as if it were big-endian data. You somehow hear the music behind that big mask of white static noise. I have to say this does not happen every time the sampling rate switches from one frequency to another but it does happen and when it happens it always follows the same pattern. Originally I thought it was the DAC, so I spoke to the dealer and I was offered a brand new replacement, which I gladly accepted. After a few days the issue appeared again, so I decided to look further into it. Whenever this happens, the DAC shows the correct sampling rate, the music software (roon, audirvana and hqplayer) they all show the right track info, and appear to be playing the track correctly. There are no messages in console and not a single error or warning anywhere in OS. I contacted Wadia (McInstosh Labs) and they pretty much didn’t know what to tell me. They suggested replacing the USB cable (something I had already tried), unplugging all other equipment (tried that too) and as a last resort, up sample everything to 192K or 384k (which didn't work). I have tried many things, reinstalling different macOS versions from El Capitan to Mojave, disk repairs, SMC and NVRAM resets but the issue will eventually occur at some point again. I even tried it on both, my Mac mini 2012 and my MacBook Pro 2015 (Plugged and battery only) and the same thing happened. Then I decided to go the Windows 10 route and I was surprised after weeks of intensive testing no loud bursts of noise were to be heard, (using the Wadia drivers for Windows). I then installed Linux on that old windows laptop and the DAC has had no problems with it for the past month. In the meantime I had also tried with a couple of DACs. An old Arcam rDAC I had lying around had not problems at all but I guess it is due to the fact that it works under the USB 1 protocol. I also had the chance to try with a Rega DAC-R (revised versión) and it did not show the loud white noise issue) but macOS had trouble recognising it under midi settings, had restart and reset SMC so that it would appear listed as a connected audio device. On some internet searches I did, I noticed that there are quite a few USB Audio-related entries about people having sporadic and sometimes weird issues for which there are no proper resolutions yet. Perhaps, in my case, the issue could be solved by having Wadia look at the firmware and see if there is something that needs to be revised in order to make this wonderful sounding DAC more compatible with macOS. I just doubt there is anybody at McIntosh Labs interested in looking into it. Same goes for Apple. I’ve used Apple products for more than a decade and there is certainly a change in the way their products are presented.They are still very functional in many aspects but very mainstreamed in the sense that they might no longer cater for the audiophile end corner of the market. If anybody has had similar experiences with macOS USB audio implementation, please post. Audirvana - Wadia di122 noise.m4a
  16. Hi Everyone, I would like to know in detail about the different implementations of data pathways. I currently use windows and I can hear stark difference between music players with different libraries. Most music players with same library sound similar or identical. HQplayer, Winyl and Xmplay sound identical at identical settings while musicbee is similar but slightly sounds lacking in depth. Aimp sounds very different. Foobar sounds very different and lifeless (apparently goes through windows mixers even in asio and has measurable distortion). Albumplayer sounds very different. I can pretty much narrow it down to - if any uninteded processing is happening (like in foobar), or to the way instructions are laid out. The science of getting jitter free data out of CPU is a topic in itself, and I would like to know if there is any kernel/compiler available for linux/bsd that tries to remove the effect of speculative Execution Jitter. From what I know, the current ways are to have tonnes of Lfence instructions or modify the clang so that the instructions are in such a way that spec/ooo execution or other enhancements always returns a predictable sequence (a miss). I have tried a few such programs and while I can hear differences (with the usb dac and supra cable I have), I am not sure if it is all improvements or if there is any skipping going on. I am planning to upgrade my dac. I am thinking of the dddac but haven't setted on one single dac yet. Without a doubt it will be diy and my intention is to use custom coded upsamplers/dithers that I would pre-processes and store before sending the data in 192khz or 176khz, 24 or 32 bit.. I am now confused on the available ways to transmit the information from the processor to the DAC. I will split up the question into two parts. First question I have is, What are the available protocols that communicate data to the dac? I currently use USB, I can see that the data is fetched, packeted, sent to the USB port dma controller. From here it goes to a USB slave which also has a buffer and converts this stream to timed i2s data which will be fed to the dac. Since USB transfer sequence is timed (i think at 125ms between polls) Isosynchronous mode of USB frame skips frames if 44100hz sample rate is used (8000*5 or 6 alternating missing 100 samples). Asynchronous buffers these things so no interpolation in terms of data transfer but doesn't have any error detection or correction and god knows what type of errors/issues could pop in (I hear changes in cables so I don't believe all is well in USB). I went around looking at other protocols - spdif, toslink etc. SPDIF uses manchester encoding and the slave has to decode clock from the data stream. This kind of makes it necessary to have very good engineering in both the master and the slave, and i'm unsure if they will be that much issue free even after that. And the standard looks variable, general certification is only upto 48khz 24 bit though there are implementations that go till 192khz 24 bit. Toslink does the same with optical format (but not the high quality optical standard used in internet transmission and hence apparently varies with cables). I am unsure if any of these support error detection and/or correction. Also all of these seem to have single serial data line. Is there any dual channel data alternative (Ethernet seems to support dual channel, or is it just full duplex they are meaning?). Another interface I saw was aes which is similar to spdif (or is it a subset of spdif?). Ethernet based audio transfer seems to be what is used in the network streamers, with custom protocols on top of the ethernet protocol if I'm right and it seems to be a good way to go about things before sending to the slave. And direct i2s communication over RJ45 or HDMI seems to be available as well but then again i-i communications are a blank slate meant mainly for inter-ic data pathways and I'm unsure how the protocol will hold up to sending over a large line. I would like to get more enlightenment on this topic and subjective experiences of what works best at the moment, the reliable brands of decoders, reclockers, the available chips, diy-options etc. The second question I have is, how is the data taken out from the CPU/memory. For usb, cpu communicates to the USB controller and fills up the data in its buffer before it sends. Another option I've seen common in single board computers is that i2s is available as an i/o from the board itself. As usual, since a general mass production unit may not have good timing (besides they run out of switching power supplies), there are units that take in this i2s stream, buffer, and regenerate them into i2s,spdif or usb signals (like allo kali,digione etc). I have seldom come across chips that communicate to cpu through PCIe and spit out i2s signals (except maybe pinkfaun). Why is it so. What are the other options available for taking data out from cpu with as minimal jitter as possible (provided the software makes sure the cpu is not introducing a lot of jitter). Are there any dedicated computer architectures meant to handle music streaming well enough (ignoring realtime microcontrollers running dos like operating systems). I'm sorry if it sounded too pedantic. I already have a setup I enjoy even out of usb, and I'm only planning to get a better experience. I just want to learn all the options before diving in. And as an EE student, learning these is a lot of fun, and implementing even more so. This is the reason I'm buying diy dac as well and doing my own custom upsampling, just to learn.
  17. -I don't know where exactly to ask this, but I want this adapter I got (with high hopes...): https://www.ebay.com/itm/USB-Wireless-Bluetooth-3-5mm-AUX-Stereo-Audio-Music-Car-Auto-Adapter-Receiver-US/153739290840?redirect=mobile -And own some Bluetooth headphones I got recently. (Don't think I need to find a link...)Now I like to hook the USB adapter to my TV(the audio out) via an audio cable(it comes with one).(The TV has USB, but I think I really only need the USB power so the adapter has power)Now assuming this hooked up, aren't there like drivers that need to be installed so the USB adapter links to the headphones OR will it just work somehow? I need to hook it all up and see if it works...but what do you guys think?? THANKS!!!!!
  18. Item is Sold. my mint condition Matrix X-SPDIF 2 DDC for $260 + $12 shipping in the continental US. I have searched high and low for the original white box but can’t locate it. It does come with the included usb cable though. I’m only selling it because my Gustard U16 has a master clock input which I hook my Mutec REF10 to. I will say that it definitely outperformed my modded SU-1 running off a UpTone LPS 1.2, and it sounds great using the LPS 1.2 as a power source.
  19. For Sale My Black Itona Industrial Model USB Isolator with the latest firmware version. $200 shipped in the continental US!
  20. can anyone give me a definitive heads up on great performing USB Cable and a Spdif coax cable please i currently use a Supra 2 USB and a home-brew Spdif. I have a very nice DAC and Spdif/USB Converter and want to maximise their SQ.. Do i now go Custom made Silver cable etc. or are there Giant killers out there off the shelf?? Any thoughts welcome. Many Thanks
  21. Okay here is my question. I have a HDPlex 100W linear power supply and a SOtM sMS-200 on the way. I will power the sMS with the linear power. My DAC is powered by USB and also receives digital signal over the same cable from the sMs. I am wandering, because I am supplying the sMS-200 with clean linear power, will the DAC will benefit as well or if I need to get an adapter like the UpTone Audio USB Regen to split the power off from the usb out on the sMS-200 and add back in power from my HDPlex supply? So firstly would it be beneficial to power the DAC separately versus off of the sMS (powered from a 100W linear supply)? Secondly, if it is beneficial to power the DAC separately, instead of an expensive USB Regen and more high quality cables, could I not just order a high quality USB-Y cable and remove the ground and 5v connections from the first male end that goes into the sMS-200 and then just plug the other male end directly into my linear power supply so that data is received from one male tip in the sMS and power is received from the other male tip in the linear supply?
  22. EMM Labs Updates their Award-Winning DAC2X D/A Converter($15,500) You know how it is. Digital audio data isn't the sole domain of digital transports any longer. Today, digital audio streams from sources as diverse as your PC, music server, satellite receiver, mixing board and portable player. Which is why EMM Labs has created one very simple, very convenient way to get state-of-the-art sound from all of them. Re-introducing the DAC2X – built with the award winning reference technology in the XDS1. The DAC2X features the latest generation MDAT2™ up-converting DSP, MFAST™ jitter removal system, MCLK™ master clock and Ed Meitner’s hand built 22.5792 MHz proprietary discrete dual differential D-to-A converters. Using technology developed in their flagship DA2, EMM Labs and Meitner Audio has once again updated both their multi-award winning DACs the Meitner Audio MA-1 DAC and EMM Labs DAC2X. In addition to being the perfect companion of their TSDX CD/SACD Transport, the updates provide a huge improvement in transparency, accuracy and overall sound quality. The new V2 unit updates consist of: MDAC™ in both platforms are now fully discrete DSD512/8xDSD D/A converters completely built in-house at EMM Labs' manufacturing facility in Canada Their multi-award winning MDAT2™ DSP has also been refined and updated to synergistically work with the new 8xDSD MDAC™. The new MDAT2™ DSP does real-time transient detection, processing and up-conversion of all incoming audio, PCM and DSD, before sending it to the new MDAC™ The DSD audio signal path has been re-designed allowing for furtherenhancements in transparency during the DSD to Analog conversion process Proprietary hardware galvanic isolation for the USB Audio interface Supports sampling rates of 44.1, 48, 88.2, 96, 176.4 and 192kHz at word lengths up to 24 bits through all 6 digital inputs, Support for DSD128/2xDSD and DXD streaming via USB Audio Support for DSD (DoP) streaming via TOSLINK, SPDIF and AES No configuration necessary, just plug and play. Every other digital system from its proprietary jitter removal MFAST™ to its super accurate clock, MCLK™ has also been carefully revised as well for better sound. MFAST™ asynchronous technology Feed the DAC2X through any of its six inputs and the revised Meitner Frequency Acquisition System (MFAST™) instantly acquires the signal, buffers it, then strips jitter out completely. A high-speed asynchronous system, it decouples input from output. MFAST™ ensures that you'll enjoy pristine sonic clarity whether the incoming data stream is pure or anything but. MDAT2™: 8x DSD (DSD512) upsampling From there, the signal goes straight into a new Meitner Digital Audio Translator (MDAT2™) which upsamples digital audio to DSD512, 8x the SACD standard sampling rate. The world's best dac/clock combination The DAC2X features an improved, standard-setting MDAC™ dual differential discrete D-to-A and MCLK™ high-purity master clock modules. Together, they're music to our ears. Yours too, as an audition will quickly prove. MFAST™ vs. conventional PLLs Most converters utilize PLL (Phase Locked Loop) circuits. MFAST™ has two distinct advantages. It's a high-speed asynchronous system that locks almost instantaneously to any data stream. Moreover, unlike PLLs which merely attenuate jitter, MFAST™ strips jitter out of the audio stream completely. Enabling you to enjoy pristine sonic clarity whether the incoming data stream is pure or anything but. Proprietary discrete dual differential D-to-A conversion circuit EMM Labs remains unwilling to accept the inherent non-linearities of every mass-market chip created to date and they believe you neither should you. Note - Please note the V2 units performance are immediately noticeable and not subtle. So it’s quite a big jump in performance from the standard DAC2X to the V2 version. Most units purchased in 2016 would already have newer hardware and you can just update the unit with the finalized firmware to make it V2. We are also offering an upgrade package for customers with older MA-1s and DAC2Xs to upgrade their units to V2 (upgrade MSRP is: $1,750) If you aren't sure if your DAC already has the newer hardware, please contact us with the serial number to check. High End Audio Store NYC - Experience Ciamara1.844-CIAMARA (1.844.242.6272)
  23. My current DAC only way of receiving power is over USB. I have the ability to power it over the USB and send it digital signal through S/PDIF, but I just ordered a SOtM sMS-200 and I would like to use it in my setup. I am wandering if the sMS-200 audio usb port sends digital audio signal as well as 5v power. I know some high end audio units strip the 5v power line out of a USB to remove a possible source of noise, so that is what made me curious as to whether the sMS-200 will power my DAC as well as send it digital signal. I have asked the question twice to SOtM, but there appears to be a translation issue and they think I am just confirming that I can send digital signal to my DAC via USB. I know that if it does not output power over USB then I will be forced to buy something like the UpTone Audio USB Regen to allow me to add power to the line cleanly from my linear supply. If anyone has insight on this issue please share your knowledge. If I need a device to add power to the USB line then I would like to order it now so I am not sitting staring at the sMS-200 waiting to hear it. Thanks guys. Mike
  24. I am looking for small, decent speakers for my Mac for streaming music and movies. I prefer USB audio like my old 1st-gen SoundSticks. At a price under $300 the only speakers I see that offer USB audio are the Audioengine A2+ speakers. I know that if I consider other speakers with a DAC (or passive speakers with a DAC/amp) I'd be opening up a huge can of worms with a much larger available pool of choices. But if I just want a simple speaker solution with integrated USB, are there any other recommended choices at that price point? If not, I see that Presonus has a line of Ceres speakers that also include Bluetooth, in 3.5" and 4.5" woofer sizes. The 3.5" model is slightly bigger than the A2+ but has slightly higher specs (plus Bluetooth) while being half the price - does anyone know anything about this speaker?
  25. WHAT IS THE TRUE EXPERIMENTAL TWEAK THREAD ALL ABOUT? I have always wanted a thread where any subject is possible. No experiment is too crazy to add here. No idea is too bold to reveal. Take it away! Enlight your thoughts and share your ideas how to improve SQ and how not to. Anyone can encurage and educate you but no one should let you down, deminage you or simply move you to another thread. Everyone is welcome as long as they accepts a different way of thinking! TOPIC DIGEST With a little help of @austinpop I have realised that this thread is all over the place. Even if this is one of the fundamental ideas behind this thread, it could be a good idea to sum-up the things that have proven to be beneficial to SQ in this thread. I will keep it plain & simple. Remember that these are essentially my own findings in my own setup with Tidal FLAC and Tidal MQA as source. As always YMMV! LAN 1. Cat 6a U/UTP 500Mhz ethernet cables sounds better than Cat5, Cat5E, Cat6 & Cat7+ in my setup. Ghent Audio Cat 6a ET02 with JSSG shielding and Metz plugs rules them all. 2. Network switch improve SQ with input on port 1 and output on the last port. Possible explanation is QoS and also that the ports are in different magnetic boxes inside the switch. 3. Using a AQVOX switch with better clock improves SQ compared to a D-Link DSG-105 network switch. 4. A wireless adapter/wireless bridge/router in client mode into a network switch sounds better than battery powered FMCs and hardwired LAN. 5. Router vastly improves SQ with a floating LPS and even more if the floating PSU is connected to a DC blocker trap filter. IME a router upgrade could be beneficial to SQ. 6. Galvanic isolation/DC blocker in the signal path pre the router improves SQ. 7. Wireless adapter vastly improves connected to a floating IT. 8. RJ45 socket enhancers seems to be more efficient on port 4 & 5. Don't ask me why! GND 1. Grounding a metal chassi network switch to a tourmaline grounding box greatly improves SQ. 2. Different tourmaline grounding boxes improves the sound signature in different ways. 3. Grounding the DC negative terminal of the floating SMPS works great. In my setup it sounds best connected to a grounding box instead of to the power strip safety ground receptacle. Just be aware of possible leakage loops between various network devices. A big thanks @JohnSwenson for this tip. USB 1. Covering the outer USB barrels with electrical tape improves SQ slightly with unshielded USB cables. Capasitive coupling between metal barrel and pins? 2. Uptone Audio´s USPCB improves SQ. 3. ATL Hi-Fi´s 8 conductor USB cable with dual unconnected shields (5v+GND & Data- & Data+) with JSSG loop improved SQ compared to other longer (<50cm) USB cables that I´ve tried. DC 1. Network switch sounds best with dual floating PSUs or battery power (but very important to disconnect the battery charger while listening to music). Dual floating PSU is slightly better than battery power, but battery power is slightly better than single floating PSU. 2. Powering several devices with a single floating SMPS sounds better than powering the very same devices with several battery supplies. Also, powering several devices with a single battery supply sounds better than using multiple identical battery supplies. Self-inflicted noise? 3. Canare 4S6 starquad does improve SQ where ever applied. Canare 4S6 with JSSG seems to be even more effective. Thanks [email protected]! 4. Grounding the DC negative output of a floating SMPS improves SQ. Grounding the chassi/case decrease SQ. Be aware of shared ground paths since this could potensially decrease SQ. 5. Dual LT3045 ultra-low noise voltage regulators in series with 1v drop-down close to the powered device improves SQ quite dramaticly. 6. Kemet aluminium Polymer caps A750 series (25v 560uF) vastly improves LT3045 when added at the DC output. On single LT3045 the Kemet improves on both in- and output. 7. Panasonic FC series type A aluminium electrolytic caps improves on the PSU output terminals. AC 1. A DC blocker trap filter pre a safety isolation transformer improves SQ even though it is dead silent (no hum). DC blockers trap filter pre a floating PSU into a router vastly improves SQ. DC stress reliever? 2. SQ improves when battery chargers is connected to a separate powerstrip connected directly to the AC wall outlet, bypassing the isolation transformer completely. 3. A safety isolation transformer with floating secondary improves SQ more than a Ultra Isolation transformer. A balanced isolation transformer with floating center-tap rules them all! 4. Daisy chained floating grounds (dual floating grounds) sounds better than a single floating ground. In my setup floating SMPS's improve SQ connected to a floating IT, even surpassing battery supplies. Thanks for the suggestion @lmitche! 5. AC mains starquad power cables greatly improves SQ. 6. AC mains voltage regulators improves SQ on the signal chain. Even cheaper versions are effective. Not as effective on high power devices such as active speakers and amp due to a still unknown reason.
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