{"product_id":"mufi-nivustapas","title":"Musical Fidelity Nu-Vista PAS Power Amplifier","description":"\n\u003ch3\u003eMusical Fidelity Nu-Vista PAS\u003c\/h3\u003e\n\u003cp\u003eBased on our excellent Nu-Vista 800 circuit we decided to go all out fully balanced on the Nu-Vista range.\u003cbr\u003e\u003cbr\u003eThe Nu-Vista PAS features the tried and tested Nu-Vista stage featuring 6S51N nuvistors in a discrete class A amplifier buffer.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTechnical Talk\u003c\/b\u003e\u003cbr\u003eThis is followed by a balanced configuration circuit and balanced input high power, low distortion output amplifier stage. The power stage has 5 pairs of high power thermally compensated output devices for reliable and stable operation.\u003cbr\u003e\u003cbr\u003eBased on Titan 1000W stage, it has separate capacitors for bulk supply, and one each for output devices con siderably reducing output impedance and improving dynamics. Chokes are added for further improved supply ripple and pulse current spike reduction Bias is set for over 5W of initial class A operation thereafter the stage slides into class B operation at a point where the now much lower discontinuity is easier dealt with than standard crossover distortion.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHeroic Build Quality\u003c\/b\u003e\u003cbr\u003eThe Nu-Vista PASs mechanical construction is uncompromisingly rigid and solid in typical Musical Fidelity tradition. Front panel and side panels are milled from extruded aluminium profiles and are extremely massive.\u003cbr\u003e\u003cbr\u003eThe separate Nu-Vista PAS PSU houses all the transformers, which by nature generate mechanical vibrations and radiate harmful electromagnetic fields. Here they are as far away as possible from the critical amplifier circuits. This significantly contributes to great signal to noise ratio. We basically get immunity against the effects of vibration from the environment. The same can be said about electro magnetic immunity. The massive aluminium case acts as a Faraday cage. It protects the internals against outer electromagnetic fields, and in the same way, the rest of your hi-fi gear against electromagnetic fields generated by the Nu-Vista PAS.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe Legendary Nu-Vista Stage\u003c\/b\u003e\u003cbr\u003eNever before in the history of hi-fi have Nuvistor tubes been coupled with state-of-the-art fully balanced and discrete technology and sophisticated modern design techniques. The Nu-Vista PAS \u0026amp; Nu-Vista PAS PSUs technical performances are astonishing. They measure like a dream but, more importantly, sound incredible. Silky smooth with enormous transients and an effortless feel that is at once relaxing and involving. Of special note how they project images between the loudspeakers so that you can almost touch them.\u003cbr\u003e\u003cbr\u003eThe new Nu-Vista PAS and its PSU were a continued labour of love for Musical Fidelity. We are passionate about what we do and passionate about Nuvistor tubes as we have always been. We hope that you derive as much pleasure listening to the Nu-Vista PAS as we had creating it.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNuvistor Tubes\u003c\/b\u003e\u003cbr\u003eNuvistor tubes were invented in the 1950s to solve the many shortcomings of conventional tubes. Unlike them, Nuvistor tubes offer very high reliability, low microphony, low noise, consistency from batch to batch, small size, relatively low power consumption and great technical performance.\u003cbr\u003e\u003cbr\u003eOne famous application was in the Ampex MR-70, a costly studio tape recorder whose entire electronics section was based on nuvistors. Another limited application of this very small tube was in studio-grade microphones from that era, the AKG\/Norelco C12a, which employed the 7586, being a good example.\u003cbr\u003e\u003cbr\u003eIt was also later found in the famed Neumann U 47 studio microphone. This microphone was highly regarded by artists all over the world, and was used by many top recording artists such as Frank Sinatra, The Beatles, and so on. Remarkably, you can currently see a U47 microphone, with its stand, cables and power supply on eBay for $10.999 Buy-it-now.\u003cbr\u003e\u003cbr\u003eUnfortunately just as uses for Nuvistor tubes were being explored, the transistor was invented and it was game over for Nuvistors. There the matter rested until about fifteen years ago, when Musical Fidelity created the first of its ground-breaking Nu-Vista series. These legendary, limited-edition products sold out in a matter of months. Today, fifteen years later, they command very high secondhand prices because of their beautiful sound, build quality, and longevity.\u003c\/p\u003e\n\u003ch1\u003eTechnical Specifications\u003c\/h1\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMPLIFIER TYPE\u003c\/td\u003e\n\u003ctd\u003eStereo Power Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMPLIFIER CLASS\u003c\/td\u003e\n\u003ctd\u003eA-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOWER OUTPUT (8)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMPLIFIER VOLTAGE OUTPUT\u003c\/td\u003e\n\u003ctd\u003e49V RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMPLIFIER CURRENT OUTPUT\u003c\/td\u003e\n\u003ctd\u003e130A Peak to Peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOUTPUT DEVICES\u003c\/td\u003e\n\u003ctd\u003e5 Pairs per-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCHANNEL SEPARATION\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDAMPING FACTOR\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVALVES\u003c\/td\u003e\n\u003ctd\u003e8 x 6S51N Nuvistors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSIGNAL TO NOISE RATIO\u003c\/td\u003e\n\u003ctd\u003e(A-Weighted) \u0026gt; 108 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD +N\u003c\/td\u003e\n\u003ctd\u003eTypical \u0026lt; 0.003 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRCA LINE INPUT(S)\u003c\/td\u003e\n\u003ctd\u003e2 Stereo Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eINPUT IMPEDANCE\u003cbr\u003e(UNBALANCED INPUT)\u003c\/td\u003e\n\u003ctd\u003e100000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBALANCED XLR INPUT(S)\u003c\/td\u003e\n\u003ctd\u003e2 Stereo Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFIXED ANALOGUE OUTPUT(S)\u003c\/td\u003e\n\u003ctd\u003e1 x RCA Pair, 1 x XLR Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTRIGGER CONNECTION\u003c\/td\u003e\n\u003ctd\u003eY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOWER SUPPLY WEIGHT\u003c\/td\u003e\n\u003ctd\u003e40 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMAXIMUM POWER CONSUMPTION\u003c\/td\u003e\n\u003ctd\u003e1060 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDIMENSIONS\u003cbr\u003e(W X H X D)\u003c\/td\u003e\n\u003ctd\u003e483 x 187.5 x 494 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADDITIONAL DIMENSIONS\u003cbr\u003e(W X H X D)\u003c\/td\u003e\n\u003ctd\u003e(PSU) 483 x 187.5 x 478 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWEIGHT\u003c\/td\u003e\n\u003ctd\u003e27 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n","brand":"Musical Fidelity","offers":[{"title":"Black","offer_id":52739721265418,"sku":"MUSICALFID-8635","price":21999.0,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":52739721298186,"sku":"MUSICALFID-8636","price":21999.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3283\/6618\/files\/musical-fidelity-nu-vista-pas-power-amplifier-41586-p.png?v=1773933151","url":"https:\/\/audioemotion.co.uk\/products\/mufi-nivustapas","provider":"Audio Emotion Limited","version":"1.0","type":"link"}