Musical Fidelity Nu-Vista 600

Discontinued The New Nu-Vista 600 integrated amplifier combines technology from several eras in an unprecedented, super integrated amplifier.

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Musical Fidelity Nu-Vista 600

Discontinued

The New Nu-Vista 600 integrated amplifier combines technology from several eras  in an unprecedented, super integrated

Background

Musical Fidelity NuVista 600
The Nu-Vista 600 combines nuvistor technology with Surface Mount Design and CAD/CAM PCB concepts.

Essentially the Nu-Vista 600 is the same as the legendary NuVista 800 but with less elaborate metalwork and ‘only’ 200WPC.

Like it’s big brother the Nu-Vista 600 has extraordinary technical and sonic performance.

For Musical Fidelity, designing the Nu-Vista 600 was a labour of passion and love.

They have tried to achieve the absolute maximum performance from every part of the circuit.

The Nu-Vista 600 integrated offers full-on, high-end performance, in a beautiful, relatively compact package, and gives a comfortable 200 watts per channel.

NuVista series a sensation

Fifteen years ago, Musical Fidelity were the first company in the world to use nuvistor tubes for their Nu-Vista series.

The original Nu-Vista series (Nu-Vista pre amp, Nu-Vista M3 integrated, Nu-Vista 300 power amp and Nu-Vista 3D CD player) created a sensation when they were launched in 1999.

They gave an almost perfect balance between state of the art transistor and tube design.

Because there were only a few tube bases available in 1999, the Nu-Vista series were all made in limited editions.

Their reputation is legendary and, to this day, used Nu-Vista series products fetch very high prices.

Background on nuvistors

Nuvistor tubes were designed in the late 1950s. Their design process took into account all the criticisms and weaknesses of the standard glass tubes that had gone before. As a result, nuvistor tubes offered:

•    Unprecedented reliability
•    Compact size
•    Very low microphony
•    State of the art technical performance
•    Total consistency between manufacturing batches.

Indeed, nuvistors were the ultimate, high performance, triode tube. Unfortunately for them, transistors were just coming of age as nuvistors became available.

A bright new dawn

For at least three years after the launch of the original NuVista series, Antony
Michaelson tried to get more tube bases. Nuvistor tubes were plentiful but bases were impossible to obtain. After a time, he stopped searching.

As many of you know, Antony Michaelson is persistent. About three years ago, he started thinking about NuVistas again. This time, things were different.

Using the internet, he was able to locate what are probably the last nuvistor bases on this planet Earth. Antony was thrilled. He purchased all that could be found.

This made it possible for Musical Fidelity to realise their dream of manufacturing more nuvistor based products, including the new mega super integrated, the Nu-Vista 800.

This time, we would be able to combine our state of the art Nu-Vista technology with our state of the art Surface Mount Design PCB techniques, and the new designs would benefit from the freedom of layout that they offer.

General description

The NuVista 600’s front end is positioned on the same PCB as the input circuitry. This keeps all PCB tracks as short as possible, and ensures that this highly sensitive function is at right angles to any stray hysteresis field from the transformers, ensuring superlative sonic performance.

The nuvistor stage itself combines nuvistor tubes with our exclusive Surface Mount Design and technology systems. This allows them to perform at a level never seen before.

The power amp stage is derived from our monster Titan amp, regarded by many as one of the best amplifiers ever made. However, we have made subtle improvements to the circuit, squeezing even more performance from what was already a legendary circuit design.

The overall configuration is dual mono, with a separate 1 kW super silent drive mains transformer per channel.

The result? Maximum performance from every part of the circuit which clearly shows just how much of a labour of love and passion for the Nu-Vista 600 was for us.

Sound quality

The Nu-Vista 600 delivers everything that its concepts promise. On the one hand, you have the beauty and warmth of nuvistor tubes. However, because of their superlative technical performance, there is no colouration or excessive warmth.

On the other hand, there is a huge power amp with massive reserves of power and current that has the delicacy and speed of attack (and decay) of a small triode power amp but, just you wait for that transient: it is delivered effortlessly with no colouration or limits.

The Nu-Vista 600 sound quality is, to us at least, totally satisfying.

Beautiful, deep and wide sound staging, effortless transients, incredible bottom end extension, speed, rhythm and then the exquisite mid range.

Musical Fidelity believe that this is what hi-fi is about.

Technical performance

The Nu-Vista 600 delivers a comfortable 200 wpc. It is capable of large current swings: about 150 Amps peak to peak.  Distortion at 1kHz is vanishingly low at 0.002%. At 10 kHz, it is about 0.004%

Nu-Vista 600 – Specifications

Nuvista600rear

Amplifier Nu-Vista 600

  • Power output: 220 Watts per channel into 8 Ohms
  • THD (+ noise): <0.005 % typical 20Hz – 20 kHz
  • Signal to Noise Ratio: >103dB ‘A’ – weighted
  • Frequency Response: +0, –0.1dB, 10Hz to 30 kHz

Inputs

  • 4x Line Level RCA / Phono
  • 1x Line Level XLR Balanced

Outputs

  • 1 pair line level RCA connectors, constant level Line outputs
  • 1 pair line level RCA connectors, preamp outputs for e.g. bi-amping

General

  • Dimensions – WxHxD (mm): 483 x 187* x 510
  • *212mm on included optional pointed feet

Metalwork and finish

The NuVista 600 is finished to a very high standard. The front panel is machined from solid, mil-spec aluminium and surfaced to an exacting standard. The custom made heatsink extrusions are purely functional and well finished.

Trade in available, contact us for further details

Brand

Musical Fidelity

Musical Fidelity has been designing and manufacturing Hi-Fi electronics for over thirty years and  are proud to have become one of the best-known brands in the Hi-Fi industry.

They are driven by a passion for wonderful music and the challenge of world-class engineering.

They approached each new design by looking for the absolute best solution to a given challenge and embrace new technologies in our designs as well as developing more traditional methods for even greater performance.

1982

Their first product – The Preamp – launched to rave reviews. Followed by shoebox-style Dr Thomas power amp.

1984

Launch of A1 integrated amp, ‘the most important development so far in the renaissance of the UK hi-fi scene’ (Hi-Fi Answers).

1986

New A370 Power Amp proclaimed ‘the best power amp I’ve ever heard’ (Hi-Fi Answers).

1987

World’s first high-end DAC- Digilog – makes debut

1988

Another world first: MVX preamp, combining tube circuit topology with transistors.

SA470 launched: 86Kg power amp running 99% in Class A

1992

A1000 integrated released, featuring pure Class A power amp section

1993

Classic valve-driven Tubalog DAC goes on sale

1995

X Series launches with X-10D Class A triode line stage: ‘the most dramatic sonic enhancement you’re likely to hear!’ (F1).

1997

Nu-Vista Preamp launched, using miniature, metal-cased nuvistor tubes. All 500 units sold within three months.

X Series expands with X-ACT DAC, praised for ‘smooth, easy-going sound’ (What Hi-Fi?)

1998

X-24K upsampling DAC released: ‘capable of getting sound to die for’ (Stereophile).

X-Ray CD player launched. Described as ‘the sort of object you just want to fondle’ (Hi-Fi News) ‘a thrilling, substantial and satisfying listen’ (What Hi-Fi?) and ‘Hi-Fi meets nuclear warhead’ (T3).

2000

Futuristic CD-PRE 24 arrives, combining a high-quality CD transport, DAC and preamp. On Hi-Fi says it ‘represents a combination of features, functional performance and affordability that seems an audiophile dream come true’.

Debut of Nu-Vista M3 pre/power amp, including discrete Nu-Vista power amp modules with choke regulation. ‘This is what hi-fi should be all about’ (Gramophone).

X-DAC V3 released, offering ‘stunningly good measured performance’ (Stereophile).

2002

World’s first audio application of trivistor tubes in new Tri-Vista series, including legendary Tri-Vista 21 ‘Super DAC’.

2003

Flagship kW pre-amp and kW power amp launched: ‘the very finest amps you can buy…the MFs redefine audio standards’ (What Hi-Fi?)

Next up: kW 500 super integrated amp with twin-triode tubes. Hi-Fi News said, ‘For one rare reviewing occasion I could not find a thing to fault about the musical presentation of an amp’.

Limited-edition M1 turntable released. Considered one of the best-engineered decks ever, it’s now a collector’s item, fetching above its original price.

2004

Supercharged X-DAC V8 introduced, with switchable tube buffer and extra-heavy-duty power supply. ‘For its superb performance as a detailed, sweet-sounding DAC, the X-DAC V8 stands on its own’ (Stereophile).

X-150 wins European Stereo Amplifier of the Year, EISA Awards 2004-2005.

2006

Debut of kW250S one-box wonder, packing in dual 250-watt monobloc amps, tube hybrid preamp, phono stage, 24-bit 192K upsampling CD player, FM/DAB tuner and iPod input.

2009

Meet the mighty TITAN: 1kW per channel dual monobloc design with external power supply. Hi-Fi News was ‘Smitten… The Titan is the best power amplifier I’ve used’.

Reference-standard Primo pre-amplifier released; pure Class A with 14 hand-picked ECC81

2011

New M1 CLiC unites analogue and digital sources under universal control. Wins European Network Music Player, EISA Awards 2011-2012.

2012

Line-up expands to meet every hi-fi need and budget. Highlights include the AMS CD/DAC – our finest digital product yet – and AMS100, the world’s most advanced pure Class A amp

Additional information

Colour

Black, Silver

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