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Audiophile ExperienceTHE MCRU PINNACLE LINEAR POWER SUPPLY – POWERS CHORD – CLEARAUDIO – RASPBERRY PI – TECHNICS
product descriptionAfter repeated request for “have you anything better” MCRU introduce their flagship fully regulated linear power supply “The Pinnacle”.With thousands of power supplies sold globally and many awards we know our power supplies work very well and transform the sound quality of anything powered by them, proven by numerous 5 star reviews and existing user feedbacks.The Pinnacle is our best power supply yet and utilises every upgrade we offer and elevates performance into a different league.Pure silver japanese cable from power supply to final regulation stage and the same cable to the DC power connector which is the Oyaide gold plated model we have used for over 5 years. We also offer the Pinnacle with a pure silver micro usb connector cable for the Chord Qutest DAC and Raspberry Pi variants.The back panel of the power supply is fitted with a Furutech rhodium plated audiophile IEC inlet to attach the power lead, this is fitted with the Synergistic research quantum Orange fuse, the best fuse there is.We have trialled various isolation supports and platforms over the years and Black Ravioli provide the best solution in the form of their small base support stand which is included with the Pinnacle, it rests on 3 black ravioli small pads to dissipate internal energy from the power supply and offer the best possible performance.MCRU are often asked what’s the best power lead to use with your power supplies, we recommend our No. 75 and this is also included in the package with the Pinnacle, 1.2 metre long as standard, longer lengths can be supplied.The Pinnacle is rated up to 2.5 amps current, it is configured and built to order for your chosen item of equipment, please specify what you are powering when you place your order.120/230v input and DC output from 5V to 24V, maximum current 2.5 amps. The No. 75 will be fitted with the mains plug to suit your country, UK, EU, AUS, USA plugs are available.The Pinnacle is available with silver main case and either silver or black end panels.The design thoughts behind the Pinnacle 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.About Us
MCRU have a clear mission, to help improve the sound and picture quality of hi-fi & home cinema with our cables and accessories. As dedicated audiophiles ourselves we care about system synergy and realize that cables and accessories can make a vast difference to the listening pleasure from your hi-fi system and the picture quality of your AV sources.
We operate from a retail shop in Elland, West Yorkshire with dedicated listening rooms and trade counter stocked with vinyl LP’s and a vast range of hi-fi accessories, personal callers are always welcome.
Most of the cables we sell are hand assembled in our workshops and fully tested prior to dispatch, everything possible is done to the finished article to ensure it improves your system or your money back.
We support some of the world’s leading manufacturers of hardware and accessories such as IsoTek Systems, Pass Labs, Neotech, Tellurium Q, Melco, Mytek Digital, Furutech, DS Audio, PS Audio + many more.
MCRU much more than just cables!Payment
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All MCRU’s EBAY orders are sent using royal mail, or DPD local couriers. We accept full responsibility if items are lost in transit and will dispatch replacements if a problem occurs. We try to be fair and realistic with postal times and charges and do respectfully request that customers are realistic with their expectations on delivery times.
Returns
Everything we sell can be returned within 14 days under the distance selling regulations, we do not refund postage there or back as we would hope problems can be resolved prior to the item being returned, please feel free to contact us prior to returning anything so we can try to resolve any issues you may have.contact US
Contact us Via eBay message click here. sign up to our newsletterSign up today for our official newsletter & get up to date with our new arrivals and also get our sneak peaks, tips and exclusive offers.Sign up40+ years tinkering with hifi cables + accessories has taught us a lot of things. If you want to get the improvements we have in our hifi system then you have come to the right place.HELP WITH YOUR ORDERPAYMENTS – Paying with usRETURNS – Easy return optionsDELIVERY – Getting your itemCustomer ServiceABOUT USCONTACT USPayment OptionsSafe & secure payments for: 2020 Mains Cables R Us Limited | Company No: 06843324
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Category: Sound and Vision:Home Audio and HiFi Separates:CD Players and Recorders
Location: Huddersfield