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Found 6 results

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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)