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Found 16 results

  1. For the best sound quality Allo recommends connecting three power supplies. 1 to microcontroller , another to the katana and one to rpi. I have the katana and an isolator 1.3, my question is; is it possible to connect three power supplies, one to microcontroller, another to the katana and one to isolator? Katana tech manual shows how to connect the katana and the isolator with 2 PSUs, but is there a way to get better sound with 3 power supplies? For the three power supplies on page 6-7 (3 power supplies)of the katana tech manual shows J30 jumper in katana open; while on page 4 when only two power supplies are provided with the isolator katana jumper J30 is closed. When connecting three power supplies with the isolator (if possible) should J30 jumper on katana be closed or open? Thanks in advance. Rajesh
  2. View Classified Farad Super3 6V [Orange, Furutech Inlet] Power Supply Needs no introduction. One for sale in in excellent condition. This was powering my ultraRendu (which is also for sale). I built a DIY Extreme music server, so I don't use this or the ultraRendu anymore. It is a revelatory upgrade for anything you plug it into. A truly phenomenal little power supply Product details can be found at Super3 Power Supply (faradpowersupplies.com) Configuration: 6V Output SR Orange Fuse Furutech Rhodium AC Inlet Standard 5.5/2.1mm output cable Cables included: GX16-4 to 5.5/2.1mm output cable Stock (US) IEC C13 to NEMA 5-15P power cord Retail price as configured: €667.00 [~$700 USD] Seller Jeremy Anderson Date 04/29/22 Price 500.00 USD Category Power Supplies / Power Products  
  3. View Classified UpTone Audio UltraCap LPS-1.2 + UpTone Power Supply + Output Display Gently used, excellent condition. Board version 1.4. [Note - I have two of these for sale, listed separately] From UltraCap LPS-1.2 – UpTone Audio: The world's first bank-switching, microprocessor-controller, ultracapacitor-based, ultra-low-noise external linear power supply has arrived! In development for more than a year, and with 262 parts on the double-sided, 4-layer circuit board, this tour de force of engineering challenges traditional notions about what is important in power supply design. Use of the UltraCap™ LPS-1.2 in a quality music reproduction system will yield surprisingly audible improvements, and we invite comparisons to any other low voltage linear power supply. The LPS-1.2 is a single output, 1.1-amp linear power supply intended for powering a wide range of audio and computer devices. Examples include: UpTone's own ISO REGEN, the Sonore microRendu and ultraRendu, SOtM streamers, small DACs and headphone amps, USB>S/PDIF converters, specialty computer USB cards, SSDs, fibre media converters, PS Audio LANRover, SqueezeBox Touch, etc. A switch on the back of the LPS-1.2 allows for setting of the output voltage to 5V, 7V, 9V, or 12 volts. The input and output jacks of the LPS-1 are standard 5.5mm x 2.1mm size DC barrel connectors. "I recently replaced one of my LPS-1 with LPS-1.2, and like the result quite a bit. While trying this new supply, I also put it in other positions in my system to compare, the result in raising the SQ seems consistent, so a week later, I ordered another two to replace two other LPS-1's I have. With one week of burn-in, I am pleasantly surprised how much more the improvement is. I knew the improvement would be quite tangible, but for sure was not prepared to be this much. Overall detail retrieval, smoothness, dimensional layering, space between instruments are all took a nice step up. Kudos to UpTone for this fine product!" —Kevin S., Fremont, California Note, The UltraCap LPS-1.2 has a small, 3-pin (standard 0.1” header pin spacing) port for measuring output voltage and device current draw. Typically measuring the current draw of a device requires putting an ammeter in series with the power cable (DC or AC) feeding it. But this clever port provides a measurement of current with a voltage: 1 Volt equals 1 Amp. So if you measure 0.2V (across the pins labeled ‘G’—for ground—and ‘I’—for current), that means the device you have attached to the output is drawing 0.2A or 200mA. The pin labeled ‘V’ always outputs the voltage that the LPS-1.2 is set to. Small displays are available cheaply to use this. I am including such a display which can be inserted into the GVI header (black wire goes to the 'G' pin) for real-time monitoring of output amperage! Note, UpTone is NOT accepting orders for these due to supply shortages, so your only chance to get one is the secondary market. Price includes shipping to CONUS only and PayPal fees. Seller Jeremy Anderson Date 04/29/22 Price 400.00 USD Category Power Supplies / Power Products  
  4. View Classified UpTone Audio UltraCap LPS-1.2 + UpTone Power Supply + Output Display Gently used, excellent condition. Board version 1.4. [Note - I have two of these for sale, listed separately] From UltraCap LPS-1.2 – UpTone Audio: The world's first bank-switching, microprocessor-controller, ultracapacitor-based, ultra-low-noise external linear power supply has arrived! In development for more than a year, and with 262 parts on the double-sided, 4-layer circuit board, this tour de force of engineering challenges traditional notions about what is important in power supply design. Use of the UltraCap™ LPS-1.2 in a quality music reproduction system will yield surprisingly audible improvements, and we invite comparisons to any other low voltage linear power supply. The LPS-1.2 is a single output, 1.1-amp linear power supply intended for powering a wide range of audio and computer devices. Examples include: UpTone's own ISO REGEN, the Sonore microRendu and ultraRendu, SOtM streamers, small DACs and headphone amps, USB>S/PDIF converters, specialty computer USB cards, SSDs, fibre media converters, PS Audio LANRover, SqueezeBox Touch, etc. A switch on the back of the LPS-1.2 allows for setting of the output voltage to 5V, 7V, 9V, or 12 volts. The input and output jacks of the LPS-1 are standard 5.5mm x 2.1mm size DC barrel connectors. "I recently replaced one of my LPS-1 with LPS-1.2, and like the result quite a bit. While trying this new supply, I also put it in other positions in my system to compare, the result in raising the SQ seems consistent, so a week later, I ordered another two to replace two other LPS-1's I have. With one week of burn-in, I am pleasantly surprised how much more the improvement is. I knew the improvement would be quite tangible, but for sure was not prepared to be this much. Overall detail retrieval, smoothness, dimensional layering, space between instruments are all took a nice step up. Kudos to UpTone for this fine product!" —Kevin S., Fremont, California Note, The UltraCap LPS-1.2 has a small, 3-pin (standard 0.1” header pin spacing) port for measuring output voltage and device current draw. Typically measuring the current draw of a device requires putting an ammeter in series with the power cable (DC or AC) feeding it. But this clever port provides a measurement of current with a voltage: 1 Volt equals 1 Amp. So if you measure 0.2V (across the pins labeled ‘G’—for ground—and ‘I’—for current), that means the device you have attached to the output is drawing 0.2A or 200mA. The pin labeled ‘V’ always outputs the voltage that the LPS-1.2 is set to. Small displays are available cheaply to use this. I am including such a display which can be inserted into the GVI header (black wire goes to the 'G' pin) for real-time monitoring of output amperage! Note, UpTone is NOT accepting orders for these due to supply shortages, so your only chance to get one is the secondary market. Price includes shipping to CONUS only and PayPal fees. Seller Jeremy Anderson Date 04/29/22 Price 400.00 USD Category Power Supplies / Power Products  
  5. I built a C.A.P.S. v4 inspired server a couple of years ago using the following component. I used a i7 cpu and mobo instead of the recommended xeon base system because i wanted to use it for video playback as well. - FC10 ALPHA Black Full Aluminium Fanless Chassis - ST-SC30 Internal USB3.0 Cable for Streacom Chass - GA-Z97MX-Gaming 5 LGA1150 Micro ATX Motherboard - 4th Gen Core i7 4785T 2.2GHz 35W HD4600 8MB Quad - Standard 32GB (4x8GB) 1600MHz CL11 DDR3 Memory - ST-HT4 CPU Cooler Riser for FC9/10 - ST-ZF240 ZeroFlex 240W Passive PSU for Streacom - Cloverleaf C5 UK Mains Power Cord, 1.8m - ST-OB3 Slot-Load Blu-ray Rewriter - PCI Express 1X Slot Riser Card Adapter CableI i would like to upgrade it to improve SQ and i am wondering whether to start with i ought to upgrade the USB card (I am presently using the mobo's usb onboard output) and the PSU as well? Is that the upgrade path that you learned people would recommend? what replacement components would you use? I'd be grateful for our advice.
  6. Hi tweak fans! Perhaps a little on the madness side, but then tweaking HiFi seems to permit any stone to be turned. Having heard some differences with my streaming music via an 8 port switch with different PSUs and also direct into my broadband router (Sky UK SR102), I wondered whether the on-board PSU was good or not. I found a video on YouTube where a guy was modding his router to gain more WiFi signal from external antennas and also my screening what he claimed was a noisy onboard SMPS. See below for the unit. This is a modular PSU with the mainboard connection on the left side. Its is a 6x2 DIL PCB pin connector and conveniently its 6 Pins of 5V and 6 pins of 0V. So I thought I would do some tests.. I removed the mainboard as you see below and made a basic connection to a screened USB cable with the end removed. The other end is connected to an Apple iPad 10W charger. I read on another forum some detailed USB PSU reviews and the Apple models (iPhone and iPad) did very well for noise and accuracy. I did quite a few A/B tests with the mains PSU and the USB source.. The differences were quite subtle, but the external power was a little more natural, slightly wider in soundstage and richer overall.. (I do not really know how to describe this without tipping into superlatives). I am critical in terms of wanting to hear a major difference with a change.. Otherwise I really think 'is it worth it'. Cost wise this is very low.. some of my time and a spare cable and spare Apple charger (I will experiment with others). You can see below I pinched the groups of pins together and soldered my connections. Note +V is on the left in RED. While I was at it, I removed the crappy looking antennas and cables to the mainboard. I use this as a modem, DHCP server and ethernet switch, but not WiFi so thought I might clean it up my removing the Antennas. I then re-assembled the router and added some cable ties to secure the USB cable. It is now taken through the old mains socket (figure 8). Actually very simple and a definite upgrade.. Would I say it was night and day.. no.. But then I assume like many tweaks - they are increments of 10% that sum to a greater part. The PSU and crap antenna's are now spares Happy to answer any questions or provide more insights as to what I did. Simon
  7. Hi! I have read quite a bit on those replacing ethernet switch PSU's with higher quality and lower noise versions. I did some A/B tests and could hear a small sonic benefit from moving my audio streaming from Tidal and Spotify from an intermediate Gigabit 8 port switch to direct into the ethernet ports on my DSL router (Sky SR 102). I found this video where a YouTuber suggests screening the onboard switch mode PSU and also boosting the range with external antenna.. I am wondering whether to mod this router with a linear 5v dc PSU.. Anyone experimented with this? I stream all of my music despite having a good NAS drive. Regards Simon
  8. Every PSU kicks some noise back into the AC line, which may have an influence on the rest of your gear connected to the same AC line. I still remember a review written by Martin Colloms of some gear using onboard SMPS, where he claimed that simply connecting said component (otherwise not connected to the system) to AC line, made his system sound considerably worse. So how bad is the problem ? Having bought a wideband AlphaLab EMI Power Line Noise Meter I decided check that out on various PSUs I had on hand. The setup To get a reference/base noise level I have used my old and trusty Audio Power Industries Power Wedge Ultra 215 power conditioner, which I normally use to 'sink' all of my computer related PSUs - main server PSU, SSD battery SMPS charger, UpTone Audio JS-2 powering two LPS-1 PSUs and a computer monitor. The noise level measured at the output was just 23mV. I have used one of outputs to connect a simple power strip (with no filtering): [/img] The PSU under test was connected to the same power strip, next to the EMI meter: I had 8 different PSUs on hand: 3 linear ones and 5 SMPS (switch mode) types: [/img] 1. Teddy Pardo linear PSU 2. UpTone JS-2 linear PSU 3. SOtM supplied SMPS (PowerTek) 4. Meanwell SMPS (supplied by UpTone with Regen and LPS-1) 5. Some generic linear PSU I found lying around 6. Ktec SMPS that I got with an external HDD 7. iFi iPower SMPS 8 Co Ming Data SMPS Since I have observed the level of noise beeing kicked back to the AC line varies with PSU load, I have measeured those PSUs in the following conditions: 1. Idle - PSU connected to the power strip, but nothing connected to the PSU (no load) 2. Noise under light load - PSU powering Regen, which in turn was powering AQ DragonFly DAC 3. Noise under moderate load - PSU powering SOtM sMS-200 4. Noise under heavy load - PSU powering the LPS-1 Ultracapacitor PSU, which in turn was powering the SOtM sMS-200. The results I got are as follows (green = best case; red = worst case): Please note that the smallest, generic linear PSU (last column) was not tested with LPS-1, since its power rating was too small. Some things I have noticed: The SMPSu in general injected much more noise than linear ones. Even the cheapest generic wall wart linear PSU was better than the best SMPS. In many cases, the noise figures dropped at idle a few mV below the reference level. It is my understanding that this is due to filtering built at the input of those PSUs, which interacts / lowers the noise on the AC line. The PSU noise readings were jumping up and down when the LPS-1 PSU was connected (chence the results are in ranges). You can see this on a short video I uploaded on youtube. It is my understanding that noise spikes were caused by the LPS-1 bulit in (capacitor) charger - when the charger was running, the noise was higher; when the charger was idling, the noise was lower. I'm not sure if higher noise readings are caused by higher current draw or the noise is comes from the LPS-1 charger itself. Whatever the reason - some PSUs were much more sensitive to that than the other. For kicks, I have also measured several other PSUs and even light bulbs: - iPhone, iPad and MacBook chargers are pretty harmless when at idle. I wouldn't want to have one connected to my powerstrip when charging though (all of you using MacBooks and other laptops connected to your system take note). - CFL light bulbs (and LEDs) are huge noise generators (unlike regular light bulbs, which generate close to zero noise). - chineese iPhone charger knock off from ebay, creates some absurd amounts of noise - many times more than the original Apple accessory (one more reason not to buy knock offs). - TeraDak linear ATX PSU that powers my CAPS v4 Pipeline server generate generates only 48mV of noise - suprisingly litte. Final notes: If you have lots of those generic SMPS around your audio system (powering DACs, HUBs, routers, external HDDs etc), it probably makes sense to replace them with something designed with the AC noise pollution in mind, like the $49 iFi iPower SMPS for example. Linear still seems to work best though. Having said that, please remember, that the best PSU is not necessarily the one which kicks the least amount of noise back into the AC line. The best PSU is the one that has low AC noise footprint and offers stellar DC output performance.
  9. Hello, the sound of my Asus Xonar Essence STX, connected to an Edifier 2.1 Box Set, has once been brilliant. Recently, the sound has increasingly lost dynamics and turned more and more "flat" and lifeless. Is it possible, that this caused by an unstable power supply unit (since other things, that may point to this, such as temporarily irresponsive or "disappearing" HDs, happened in the same time)? Or could power supply problems only lead to the card not working at all? Thanks
  10. The Artistic Fidelity Isolator plus USB-Module is probably the most enhanced and thought through USB interface I have yet come across, for sure it is for me the most revealing and sounding of such devices! This DDC strictly speaking consists of two devices: the external USB-Module (powered by the computer's USB port) and the Afi itself (powered by an external PSU). My Mac mini is connected via a short USB cable to the external USB-Module, the module is connected via three 2 meter long (!) fibre optical cables (FOCs) to the Afi which outputs the re-clocked digital audio signal via an RJ45-to-AES/EBU adapter cable to my T+A DAC8. The reason for this set-up is: a) Isolation from the computer source The one of the three fibre optical cables carrying the audio stream from the USB-Module towards the Afi has no direct electrical pathway for High Frequency (HF) noise from the computer. The USB-Module and the Afi itself are completely galvanic isolated from the computer. b) Re-Clocking The 2nd FOC from the Afi towards the USB-Module contains the new clock signal generated by high precision oscillators in the Afi - completely independant from the computer. The 3rd FOC from the Afi towards the USB-Module transmits the switching signal for each of the sampling rate family multipliers either 44.1 or 48 kHz based. The Afi itself outputs the re-clocked audio signal in the RJ45 Ethercon format hence requires an adapter cable to connect to my T+A DAC via AES/EBU port. The sonic result of this set-up is simply stunning, instruments and voices sound much more natural and organic than ever before in my set-up when having connected the mini via 2 Jitterbugs and 1 Regen Amber to the DAC8' s USB port. Yes, there is much more black and quiet background, instruments and voices can be much better separated and followed during a song. They sound as if I am in a Live performance in my living room! No artefacts, not the slightest sign of steril digital sound anymore but a much more analog presentation from a digital music source..., what a dream coming true! I am sorry for my emotions and enthusiasm here but I think I have found the ultimate USB interface for my set-up. It costs €1.220 = $1.365 incl. adapter cable - for sure not cheap - but it is in my opinion worth every €/$. More detailed information can be obtained from the German Manufacturer's website under http://www.artistic-fidelity.de
  11. I have Z77 chipset, 2600k, Win2012, Everything is tight and optimized, with a USB3 PCI-E card, and just one Intel SSD. Feeding my DAC over USB (DAC has it's own power). Been changing from a Corsair hx750 and an corsair vx450w and listening to the difference. Even though the Vx450w is much less effective and older it sounds way more open and musical. The strong and muscular HX750 makes everything muddy and without snap. Am I just crazy? Ear-Fatique? Any others that have had the same experience? Monitoring: Beyerdynamic DT 880 Pro. - The HX750 shall have lower amounts of ripple and noise according to measurements. (!) Edit: (!!!) I might also get more jitter from my SSD drive according to HD Tune Pro. Could PSU affect Random Acess times on my SSD? Wow. 1. VX450W (PIC) -------------------------------------- 2. HX750W (PIC)
  12. Has anyone here ordered, and even better experimented with the new TeraDak Specialized linear PSU for wadia 121 decoding computer? I'm using the Wadia with the factory supplies PS and am wondering if the Teradak upgrade gives gains in Sound Quality? Should Wadia 121 owners spend money on this PSU? Thanks a lot for all opinions and hopefully experiences! Johan
  13. View Classified DC4 ARC6 POWER SUPPLY for Chord Dave I am selling my 'like' new DC4 AR6 PSU for Chord DAVE as I am simplifying my setup. This has enough hours on it that you can consider it to be well broken in for you. ARC6 really elevates DAVE and you can ready more about it from this article @ray-dude wrote. MSRP $10,000, but I will entertain reasonable offers. Seller KMan Date 01/02/22 Price 9,000.00 USD Category Power Supplies / Power Products  
  14. View Classified Keces P8 linear power supply 19V/20V + 9V/12V + 5V USB Keces Audio P8 Ultra Low Noise Linear Power SupplyNot 2 months old. On offer as I have simplified my system (I went from 2 PC`s with network to 1 PC without network). Pristine condition. Includes manual, DC cables and adapters. Original package. Located in Europe (Amsterdam). New price EUR 699. Asking price EUR 590. Seller bodiebill Date 06/03/20 Price Category Power Supplies / Power Products
  15. Product Details The CLONES POWER STATION LITE is the low current version of the POWER STATION. Provide 3A current output. The good power source can make a huge deifference performance is the fact to admit of no doubt. The POWER STATION built with all discrete components. Ultra low noise but capable to drive the high consumption devices as the CAS, Laptop, NAS storage server… We accept the custom order for the output specification within from 3A and 5V to 12V. Lite Package included: - Custom DC cable - POWER STATION ultra low noise power supply unit * The modification is reversible for warranty issue. * The standard length of the POWER STATION DC cable is 1 meter. Specification Output: 12V/9V/7.5V/5V 3A (Fixed) Weight: 3.5KG Dimensions : 100(W)x150(D)x100(H)mm * 3 year warranty HKD2,990 (USD387) + shipping Price in Hong Kong Dollars (HKD) CLONES audio
  16. The PSUDP205 is the ultra low-noise full discrete power supply kit for the OPPO UDP205 series player.Fine tuned setup and layout from the PSUPD to brings the best and huge improvement to the OPPO UDP205. It supplies the clean power to the player, improves the performance of the video, audio and the digital output. It is the stepping stone to bring the player to another level.Deluxe version avalible as an option. Special selected parts and tuned up to brings the ultimate performance. The installation of the PSUPD can be done easily by screwdrivers with few steps in 10-15mins. More detail: https://www.clonesaudio.com/product-page/psudp205
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