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SOtM tX-USBultra USB Hub / Regenerator & MCRU Linear Power Supply - RRP £1260.00. Combo Price including Pure Silver DC cabling on Power supply. Both in near mint condition with original packaging & instructions. This combination will transform the performance of your digital USB source whether it be a laptop, streamer or music server. (I have tried them all!) It is also important to note that the jump in performance is not subtle. The change is amazing with a wider soundstage, a blacker background & increased detail. It really does maximise the performance of your hi-end USB DAC. (Or DDC - SOtM also recommend this option & you can then send your clean & reclocked usb signal to any DAC e.g. spdif etc) The bottom line is that once you have heard the difference, you can’t go back! Solving jitter with the TX-USB ULTRA has made my digital front end sound very analogue, non fatiguing & the closest to a vinyl experience. Only selling because I need more digital inputs & will purchase a multi input digital to digital converter (DDC) The MCRU linear power supply is superb & was chosen in preference to SOtMs own power supply. SOtM tX-USBultra USB Hub and Regenerator - RRP - £990:- You may have heard or told “it sounds analogue” or “it sound musical” when listening to very good sound. Such expressions have been used to describe the sound that is close to the real charm in the actual performance stage or that is richly expressed in musical nuances rather than realistic charm. However, whether it is the former or the latter expressions, the meaning of these expressions could only make sense when the feelings of very dedicated and dynamic live performance reach to our ears and touch our mind. However, with most audio systems, it is very difficult to experience such real charm or musical nuances, and in fact even it is also hard to reach to the sound with the ultra high-end audio systems too. So SOtM, to overcome such situation, has been developed from SATA filters, tX-USB card series and other equipment since for the first time when people got into computer audio which have settled into the essential part of digital audio now days, but still it is a fact there is a lot to overcome to improve sound quality. Facing up to the fact, the tX-USBUltra is designed to reach to the goal which improves sound quality. It works as a hub by receiving and distributing USB audio signals, but regenerating the USB AUDIO signal by the high-performance super clock module, sCLK-EX, installed inside to the product, so that sound could be superior to any other USB audio product and step into the upgraded sound. The mid-low range sounds very deep, detailed and earnest, the high range sounds not distract but extremely delicate and open, and especially the very low range gives you transparency you have never heard before and gets you very natural and solid texture of performance. The improvements with tX-USBUltra in sound can be felt even in the ultra high-end system which values over hundreds of millions of dollars, it can be simply judged by the best USB audio device up to date. Whatever is, it is very difficult to go beyond any limit in any field. At the heart of this product is the built-in super clock, sCLK-EX, which has been developed over the years, allowing you to experience a whole new range of sound and introduce you to go beyond the sound. The tX-USBultra would show how to upgrade the sound quality and improve the dignity of music by in-depth research into advanced audio technology. MCRU Linear Power Supply for SOtM TX- USB ULTRA - RRP - £270 (incl. silver dc cabling) The SOtM is powered by a 9V power supply. Up-grading to our fully regulated linear power supply will bring instant sonic improvements. Proven by existing customers and positive feedbacks form hifi magazines and reviewers worldwide. Our power supplies are designed and made in the UK, all feature Oyaide audiophile gold plated DC connectors (2.1mm and 2.1mm only), the designer Nick Gorham from Longdog Audio has written some thoughts on power supplies below. The design thoughts behind the 2 box PSU are below. When thinking of regulation, it's worth remembering the Roman god Janus. Who was the god of gateways, and was a two faced god looking in both directions. Likewise a good voltage regulator is required to look in both directions at once. From one direction you have the mains supply, with the ever increasing noise, distortion and random variation that exists on our household mains supply. In the other direction you have the device you are supplying power to. The load will be asking constantly varying current, and the job of the regulator will be to ignore the varying load and to supply a rock steady voltage that ignores the changing load. To ask a single regulator to perform both tasks means that it can not do either as well as it could. We don't ask our regulators to be two faced, we split the two functions into two separate regulators and put them both where they can do the best job. The first regulator is close to the mains supply, its job is to take the incoming mains and convert it into a low(ish) noise DC supply, and to isolate the mess that is our household power lines from what follows. In most power supplies on the market, the output of the first stage would be directly connected to the load device, and that would certainly be an improvement over the supplies that most manufactures provide. But we can do better by adding the other face of Janus to the system. The second regulator is supplied with a clean low noise supply, and its job is to handle the changing demands of the load. To do that, it needs to be as close to the load as possible. So we remove the second regulator from the main box, and place it close to the load, both electrically and physically, that removes it from the noise and interference of the mains supply, and allows it to spend its time looking towards the load. Typical commercial voltage regulator chips are general purpose devices, but are not quiet enough for the task on hand, so the second regulator uses a bespoke regulator based on a low noise multi stage filtered voltage reference, a low noise error amplifier and a high current low resistance mosfet. To allow it to handle the changing load it also needs to supply current on demand, so all the remaining space in the second regulator is filled with low impedance capacitors to act as a local energy source. Using the two stages of regulator, we achieve a noise floor equal or better than most battery supplies, and a effective source resistance of the order of 0.02 ohm (and the short cable run to the load avoids increasing this valve by adding copper where its not needed, and the use of a discrete regulator design allows that tiny value to be maintained way above frequency any audio device operates at. Both units will be sent double boxed by insured courier. (Hence cost - thank you)
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