Nuvistor valves. The Nu-Vista PAS is an imposing beast.

Nuvistor valves Nuvistors were also produced in Europe (by Philips/Mullard, Siemens and Lorenz) and in Russia. The base is ceramic sealed to the metal case and five fine pins, on a 12 pin grid, form the connections and the electrode supports internally. To achieve its unique sound signature, the Nu-Vista PAM features four 6S51N nuvistor valves in a discrete, Class A amplifier buffer stage; but there is so much more going on inside this stylish chassis to ensure it delivers reference-grade sound. Year of production: 1976. Best vintage audio vacuum tubes, (valves) for tube preamps, tube amplifiers, phono stages, stereos, guitar amplifiers, microphones, recording studio equipment, radios E180F Sensibly equivalent ¶ to: 5A/170K 6688 CV3998 EF861 See also: The Mullard Receiving Valve Naming Convention - Nuvistor Valves - Acorn Antiques - E180F Advert Jan 17, 2023 · In Musical Fidelity’s view, the Nuvistor valves/tubes are a great device for high-end audio applications, with the company stating, “Nuvistor tubes were invented in the 1950s to solve the many shortcomings of conventional tubes”, it went on to say, “Unlike them, Nuvistor tubes offer very high reliability, low microphony, low noise We would like to show you a description here but the site won’t allow us. The Nuvistor was the final evolution of the thermionic valve as a general purpose active circuit element. • Original Neumann cases. 011) Figure 1: Schematic diagram and parts cks and intercoupli will be eliminated. The power stage is inspired by the incredible Musical Fidelity limited edition Titan power amplifier The CV3998 is a high-slope RF beam tetrode primarily intended for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment. Best vintage audio vacuum tubes, (valves) for tube preamps, tube amplifiers, phono stages, stereos, guitar amplifiers, microphones, recording studio equipment, radios Jan 17, 2023 · In Musical Fidelity’s view, the Nuvistor valves/tubes are a great device for high-end audio applications, with the company stating, “Nuvistor tubes were invented in the 1950s to solve the many shortcomings of conventional tubes”, it went on to say, “Unlike them, Nuvistor tubes offer very high reliability, low microphony, low noise We would like to show you a description here but the site won’t allow us. Nuvistor Valves Innovation at the End of the Valve Era The development of the Nuvistor in the late-1950s was probably the last major innovation in receiving valve technology, coming as it did towards the end of the era of thermionic device domination. The valve is capable of handling momentary overloads. Nuvistors were made to compete with the then-new bipolar junction transistors, and were much smaller than conventional tubes of the day, almost approaching the compactness of early discrete transistor casings. New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is Read more about the condition New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). This is either a triode or tetrode valve of special design, which in the past was of Americah origin, under the designation 6CW4. As voltage amplifiers, they were mostly replaced by BJTs. Jan 17, 2023 · Musical Fidelity has announced the return of its class-leading Nu-Vista product range, with the release of the PRE preamp, PAS power amp and PAM monoblocks. Oct 1, 2023 · Of course, it employs the Nuvistor valves I’ve alluded to in the much-abridged intro, a device which is unique in terms of its implementation in a powerful amplification product from an audio electronics specialist. Historically nuvsitor tubes were used in iconic studio equipment such as the Ampex MR-70 tape recorder and the AKG/Norelco C12a studio microphone. Thus the high frequency of The Nu-Vista PRE is a fully balanced, Class A pre-amplifier that combines, for the first time, fully discrete circuitry with Musical Fidelity’s iconic nuvistor valve stage and a separate power supply in a matching chassis. When matched with the Nu-Vista PRE, the sound performance is unrivalled and can comfortable match any luxury high-end system. Tube 8393 or Röhre 8393 ID6308, Triode, vacuum, Nuvistor and shown. Smaller than a thimble, more rugged and efficient than present tube designs, and particularly suited for mechanised production, the "Nuvistor" represents a radical departure in the electronic-tube concept. Now, as time has moved on, many are once Unlike the transistors of the time the Nuvistor had the overload and intermodulation characteristics of the valve, which were superior to the transistors of the day. Lindsay’s books on building small regenerative vacuum tube receivers caught my attention — I also got caught up in building both tube-based guitar amplifiers and hi-fi audio amplifiers. Additionally, all The CV3998 is a high-slope RF beam tetrode primarily intended for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment. The Type is etched into the glass as well as being printed. Tube EC 1010 or Röhre EC1010 ID63552, Triode, vacuum, Wires and UHF shown. There are also other rare uses like for instance the replacement of the tube VF14 by using a The Nuvistor is built as a series of co-axial electrodes but they are all very small, and small inter electrode capacitances result. Nuvistors were made to compete with the then-new bipolar junction transistors, and were much sma The valve has a high uniformity of initial characteristics and does not require a costly selection process. 97 Free shipping 6S53N-V / 6C53H-B/ EC1010 Nuvistor Low Noise Audio Triode RF Metal Ceramic 10pcs Unlike the transistors of the time the Nuvistor had the overload and intermodulation characteristics of the valve, superior to the transistor. The CV3998 is a high-slope RF beam tetrode primarily intended for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment. , Mitcham. Private sale Nov 25, 2023 · Nuvistor valves were invented back in the fifties to address what were seen as some of the pitfalls of conventional tubes. Thus the high frequency of The Nuvistor vacuum tube (valve) was developed and introduced by RCA in 1959 (see this historical photograph). The entire top shell acts as the plate, with a ceramic band to isolate it from the typically grounded lower shell. The all-analogue amplifiers have been designed from the ground up, featuring Nuvistor valves, fully balanced discrete circuitry, and extensive connectivity. The resultant small structure has very close electrodes, with consequent good high frequency performance, and large current and voltage gain. As well The 6CW4 Nuvistor from RCA is a triode for use at VHF and built into a small metal case. , grid current) biasing or conventional cathode biasing. Sensibly equivalent ¶ to: 5A/170K 6688 CV3998 EF861 See also: The Mullard Receiving Valve Naming Convention - Nuvistor Valves - Acorn Antiques - E180F Advert Extras Mullard G8LSD Valve Collection Other E180F exhibits Jan 28, 2025 · The Musical Fidelity Nu-Vista 600. The Nu-Vista PAS is a fully balanced, Class A stereo power amplifier that combines, for the first time, fully discrete circuitry with Musical Fidelity’s iconic nuvistor valve stage and a separate power supply in a matching chassis. Like the up to the first joint of your little finger. ORIGINAL RCA BOXED. Of recent months, however, a Mullard counterpart has been evolved under three main versions. 133 65 10 0. . Thus the high frequency of Mar 3, 2023 · Additional models will join the Nu-Vista by Musical Fidelity range later in the year and during 2024. See Nuvistor Valves - Basics, Nuvistor Valves, and The Nuvistor. The Nuvistor is built as a series of co-axial electrodes but they are all very small, and small inter electrode capacitances result. Jan 18, 2023 · High claims indeed, but these are high-quality separates with price tags to match. Type CV3998 was first introduced in 1957. The pins in the ceramic base. These tubes are installed on a newly designed PCB, alongside the sophisticated pre-amplifier stage, on a self-screening tray that is mounted above the main amplifier circuitry, for better isolation and reduced noise. ? It was one of the last major advances in basic vacuum tube technology, following on the heels of the cold cathode tube. Featuring 5 line-level inputs, 1 balanced XLR, and an updated display, the Musical Fidelity Nu-Vista 800. The CV specification shows that the Government requirement was for the GPO telephone system. 1 day ago · nuvistor triode 6S53N-V - (NOS)6S53N-V (6C53H-B) is a nuvistor triode in a metal-ceramic subminiature design of high reliability and enhanced mechanical strength (-V). 1970’S DATE CODES. Musical Fidelity NU-VISTA PAS, a Class A stereo power amplifier combining cutting-edge discrete circuitry and nuvistor valve technology. Tube 8203 or Röhre 8203 ID6287, Triode, vacuum, Nuvistor and UHF shown. Inside this tube's tiny shell is a pair of coaxial grids surrounding a heater and tubular cathode. Tube 6CW4 or Röhre 6CW4 ID3728, Triode, vacuum, Nuvistor and UHF shown. Unlike the transistors of the time the Nuvistor had the overload and intermodulation characteristics of the valve, superior to the transistor. CRTs, RF power amplification, by March, 1959 when RCA introduced the Nuvistor, there was already serious competition from the transistor. Musical Fidelity's traditional 7586 nuvistor valves act as a final, fully balanced buffer stage. Explore vintage and NOS RCA Nuvistor tubes like the RCA 7895 and RCA 8056 for enhanced audio. The Musical Fidelity Nu-Vista PRE Balanced Preamp redefines hi-fi performance with its nuvistor valve technology and fully balanced design. The thin glass tube envelope is 21 mm in diameter and Tube 7895 or Röhre 7895 ID6241, Triode, vacuum, Nuvistor and shown. Difficult speakers? This amplifier will drive anything! The conclusion to our review of Musical Fidelity's original Nu-Vista 800 integrated amplifier [HFN Nov '14] announced: '16 years from now, we'll remember it!'. Enclosing its vacuum in metal rather than glass, the Nuvistor was designed as a long-lived, highly linear device with low heat, low microphony The Twelvar base was introduced in 1960 by RCA for their Nuvistor valve series. The 6DS4 triode is constructed as a series of coaxial tubes. The Musical Fidelity Nu-Vista 800. Tube 6С51Н-В or Röhre 6С51Н-В ID32756, Triode, vacuum, Nuvistor and shown. The image shows few details. As a kid I remember staring into the back of the small B&W television we had when I was young — the insides looking to me like some kind of Things to Come cityscape in Home / VALVES 7587 RCA NUVISTOR NOS BOXED VALVE TUBE £ 8. The thin glass tube envelope is 21 mm in diameter and Nuvistor Nuvistors are miniature, rugged, metal-ceramic enclosed vacuum tubes introduced by RCA in 1959 (first being the 7586). Aug 4, 2010 · Anyone seen a radio with nuvistors in. The 6CW4 Nuvistor from RCA is a triode for use at VHF and built into a small metal case. The prototypes were the 5A/170K from STC and the E180F from Mullard. Worldwide shipping. This very small size helps to reduce inter electrode capacitance and The 6DS4 Nuvistor from RCA is a triode for use at VHF as a grounded grid amplifier and it is built into a small metal case. The Nu-Vista DAC's finely crafted chassis is shared with the series' other models. Introduced by RCA in 1959 and claiming performance and reliability improvements over glass vacuum tubes, these compact metal-bodied devices are now ‘almost extinct’, says MF. The end view of the anode. Four devices are used per The Nu-Vista PAS is a fully balanced, Class A stereo power amplifier that combines, for the first time, fully discrete circuitry with Musical Fidelity’s iconic nuvistor valve stage and a separate power supply in a matching chassis. Aug 17, 2025 · Nuvistor Valves (r-type. The Nu-Vista PRE is a fully balanced, Class A preamplifier that combines fully discrete circuitry with Musical Fidelity’s nuvistor valve stage and a separate power supply in a matching chassis. " Apr 27, 2025 · Find many great new & used options and get the best deals for 7586 RCA NUVISTOR NOS VALVE TUBE (OF170) at the best online prices at eBay! Free shipping for many products! Feb 3, 2025 · The M8x Vinyl is closely related to that unit [see boxout], albeit minus the nuvistor valve stage and equipped with a more practical housing. The 7587 is a sharp cutoff tetrode, which was released in 1961. The valve has a high uniformity of initial characteristics and does not require a costly selection process. The Audio Research Reference 6SE Line-Stage Preamplifier, available at Len Wallis Audio, represents the pinnacle of preamplifier design, refining the acclaimed Reference 6 platform. The KB/D identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the D identifies the maker as Mullard Radio Valve Co. With a dedicated PSU for cleaner power, this fully balanced amplifier promises unrivalled sound quality, perfect for high-end audio systems. You will find thousands of tubes or valves with interesting links. When I began to really get into electronics, vacuum tubes were a kind of distant echo from my childhood that I barely remembered. Comments about Nuvistor ValvesJKCalhoun an hour ago "Valves" had always been a mystery to me. His comparison photo seen above shows a Nuvistor on the left — a You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. 2 Integrated Amplifier, available at Len Wallis Audio, is perfect for audiophiles seeking high-end power. Jan 29, 2025 · Promising a “sweet sound with huge power and transparency” and a “complete solution that is easy to integrate with a wide range of high-end sources and loudspeakers”, the Nu-Vista 600. 2 Integrated Amplifier delivers 330W per channel into 8 ohms, with Nuvistor valves in the input stage for a musical sound. The maker's logo. made in Japan. As well Unlike the transistors of the time the Nuvistor had the overload and intermodulation characteristics of the valve, superior to the transistor. Do you know about the Nuvistor, aka the 6CW4? It was a tiny triode tube smaller than your average phono cartridge. 5dB at 12GHz but in the early days of transistors the nuvistor was the only real option if one wanted good performance at VHF and UHF. The heater is an insulated coil. Nov 28, 2023 · Under the bonnet of the PRE’s main control unit (left) and partnering PSU (right) reveals choke regulators and nuvistor valves for the former with twin toroids for the latter First impressions show that those Musical Fidelity hallmarks of control, depth and effortless dynamics are present in spades. 00 7587 RCA NUVISTOR VALVE NEW AND UNUSED ORIGINAL RCA BOXED 1970’S DATE CODES 3647 in stock Dec 27, 1999 · Nothing like scarcity to create demand, right? Well, there's been a scarcity of Nuvistors out there for decades, and hardly any demand. 18h󰞋󱟠 󰟝 FS: Pair of 2 x Neumann U64 microphones with original capsules and 5 x spare NOS RCA 7568 nuvistor valves. At the heart of each model is a suite of nuvistor valves and each model also features its own external power supply. The mica discs are double thickness to impart vibration resistance. At first sight the fact that a new valve technology appeared in 1959 is surprising: it shows that at that time transistors and integrated circuits had definite limitations which allowed niche valve technology, such as the Nuvistor, to exist and even thrive for about another ten years. It features eight (four per-channel) 6S51N nuvistor valves in a discrete, Class A amplifier buffer stage. But nuvistors can also be found in TVs and very seldom also in radios for public broadcast. ? The nuvistor is a type of vacuum tube announced by RCA in 1959. E180F Sensibly equivalent ¶ to: 5A/170K 6688 CV3998 EF861 See also: The Mullard Receiving Valve Naming Convention - Nuvistor Valves - Acorn Antiques - E180F Advert The 6CW4 Nuvistor from RCA is a triode for use at VHF and built into a small metal case. 6cw4 ? anyone seen good/best nuvistor 6cw4 or better nuvistor schematic for preamp ? anyone build one ? how is the sound quality compare to bigger/glass tube ? cal Audio Detail NV-08 Nuvistor Phono Stage Product Description: The new Audio Detail NV-08 Nuvistor phono stage, is a new 4 Nuvistor design with a further 4 triodes aimed at the user who loves the valve phono stage sound, but wishes for something slightly more special, offering a lower noise threshold, but with a fast and lively sound. This very small size helps to reduce inter electrode capacitance and Nuvistoren in der Röhrensammlung / Tube Museum / Udo Radtke, Deutschland . The low internal capacitances coupled with the very small lead inductances permit the valves to be used in the earthed-cathode mode, with the input signal applied to the grid. Long life tube: no less than 7500 hours under prescribed conditions. The top of the can has the Type designation stamped into it. Some products such as the 1A1 and 453 started production with Nuvistors and The nuvistor was the last of the thermionic receiver valves. The KB/QDD identifies this valve as being made to specification K1001 Vacuum Tubes / Valves Robert Bell󰞋Jun 3󰞋󱟠 When I worked in TV studios, we used condenser microphones which contained a preamp featuring an 8086 nuvistor miniature valve Zofanor Andrade and 450 others 󰍸 451 󰤦 80 󰤧 8 󱎖 Nuvistor tubes were a type of miniature vacuum tube used in various electronic devices, including radios and transceivers, known for their high reliability THE BIG CLEAROUT CONTINUES SO YOU ARE BIDDING FOR: 2 NEW BOXED 7586 NUVISTOR TUBES VALVES AVO TESTED NEW CHEAP POSTAGE PRICE INCLUDES AN AMOUNT FOR PACKING MATERIALS WHICH ARE BECOMING EXPENSIVE. Enhance your electronics collection - shop on eBay today! Music Valve Electronics U-47 Nuvistor Tube Adapter $195 If you would like to use your tube Neumann U-47 or U-48, but find that the tube has gotten noisy or has quit working, we at Music Valve Electronics Inc. Valves, and particularly the Nuvistor design, maintain their characteristics over a wide range of ambient temperatures. The anode tuned circuit is then chosen to resonate at one of the harmonics, usually the second or third. The short pins are shielded by the substantial location lugs. That was the gap between the manufacturer's first Nu-Vista THE NUVISTOR Competition to the transistor in this respect has been offered by the fairly recent Nuvistor. Thus the high frequency of Apr 8, 2024 · Just to make it clear that this isn't your run-of-the-mill D/A converter, you can peek inside and see its eight nuvistor triode valves surrounded by a red glowing light while the unit is starting up (then yellow, followed by blue after ten minutes or so). The Nuvistor is a thimble-sized vacuum tube (enclosed in miniature metal rather than glass) that promised high-reliability, low-noise, and low-power operation. I have a vintage 'scope, which I thought till now was a solid state, except for the screen, but apparently the little TO5 devices on the Y amps are actually nuvistor valves. With seven inputs, customisable controls, and dual outputs, this preamplifier Explore vintage and NOS RCA Nuvistor tubes like the RCA 7895 and RCA 8056 for enhanced audio. The Nuvistor vacuum tube (valve) was developed and introduced by RCA in 1959 (see this historical photograph). Due to their small size, there Sep 7, 2023 · This latest nuvistor/bipolar hybrid integrated marks a return of Musical Fidelity's traditional 'no-nonsense belter'. It withstands high acceleration rates As an adult Thomas J. Nov 25, 2023 · Nuvistor valves were invented back in the fifties to address what were seen as some of the pitfalls of conventional tubes. • Stereo Neumann PSU & Schaal Audio PSU with cables. 2 features four 6S51N nuvistor valves in a discrete Class A amplifier buffer. The Nuvistor Construction of a Mullard Nuvistor This type of valve is intermediate between valves of normal construction and disc-seal or stacked ceramic. Tektronix used nuvistors in the front-end of their oscilloscopes in the 1960’s. To achieve its unique sound signature, the Nu-Vista 600. When combined with other Nu-Vista by Musical Fidelity products, the result is a system without compromise, capable of truly breath-taking performance. The Nu-Vista PAS is an imposing beast. Jan 21, 2025 · NUVISTOR VALVE. Type 8056 was first Feb 4, 2024 · The nuvistor is a type of vacuum tube announced by RCA in 1959. The 6DS4 Nuvistor from RCA is a triode for use at VHF as a grounded grid amplifier and it is built into a small metal case. Crafted in the USA, it features six 6H30 tubes, a robust R-core transformer, and a high-energy power supply for a jet-black noise floor. Jul 24, 2006 · LOOKING for NuVistor preamp preamp schematic pls. Unlike the transistors of the time the Nuvistor had the overload and intermodulation characteristics of the valve, which were superior to the transistors of the day. Although valves continue to be used in specialised applications, e. The Data-sheet gives the use as: for military and industrial application with low voltage power supplies. In reality all that happened was that vinyl and tube amplifiers took a back seat for a while while users investigated these new far lower cost technologies. Thus the high frequency of operation. May 23, 2022 · Valves Or Tubes To You – An Introduction Just like vinyl, valve or tube amplifiers rapidly went out of fashion as solid state semiconductors, CD’s and streaming became the new, lower cost norm. The oscillator coil is Mar 4, 2024 · The preamp's internals comprise three distinct amplifier stages that contribute to the eight MM/MC gain options on offer. RIAA equalisation is achieved by passive circuitry laid out in two separate blocks, and the Nu-Vista Vinyl 2 also offers Decca and Columbia EQ curves. • 5 x NOS RCA 7568 nuvistor valves included. The valve is inherently less susceptible to radiation damage. g. Thus the high frequency of A valve like this would be used for RF amplification, or frequency multiplication. The new range consists of the Nu-Vista PRE pre-amplifier, Nu-Vista PAS stereo power amplifier, and Nu-Vista PAM monobloc amplifier. This example is still contained in its original packaging The latter are now far superior to valves with noise figures typically of around 0. 6S53N-V / 6C53H-B / EC1010 nuvistor triode tube Vacuum tubes, Capacitors, Nixie Tubes, Indicators, VFD display, LED, Sockets. The 600. The 7586 which is a medium-p triode, the 7895 which is a high-mu E88CC Sensibly equivalent to: 6922 CV10320 Cca See also: Nuvistor Valves - Acorn Antiques - Mullard E88CC Advert The KB/F identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the F identifies the maker as STC, Paignton. type FA5 or equiv. In the latter case the valve is operated as a non-linear (Class C) amplifier. Tube 6DS4 or Röhre 6DS4 ID3945, Triode, vacuum, Nuvistor and VHF shown. Following a career in electronics and electronic product manufacturing over the last 40 years, Mark has placed his knowledge and creativity into the design and development of bespoke Valve products, launching The 6688 is a special quality UHF high-slope RF pentode primarily intended for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment. org) 6 points by userbinator 2 hours ago | hide | past | favorite | discuss Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: The Nuvistor is built as a series of co-axial electrodes but they are all very small, and small inter electrode capacitances result. What the newest phono preamplifier from the company retains is a can-do attitude, offering support for a broad range of moving-magnet and moving-coil cartridges. have a soulution for you. Our specimen came from a Tektronix dual trace oscilloscope 'Y' amplifier. Menu Home Search Indexes Equivalents Articles Adverts & Boxes Timeline Collections Donate Contact Jan 18, 2023 · The Nu-Vista PAS is a fully balanced, Class A stereo power amplifier that also combines, fully discrete circuitry with Musical Fidelity’s nuvistor valve stage and a separate power supply in a matching chassis. 39. Tube 8056 or Röhre 8056 ID6258, Triode, vacuum, Nuvistor and shown. These allowed me to dive into tubes and finally learn about them — you know, posthumously as it were. The first nuvistor to be produced by RCA was the 7586. Available at Len Wallis Audio, the Musical Fidelity Nu-Vista PRE Balanced Preamp is perfect for audiophiles seeking uncompromising audio quality. Nuvistor Tubes in Radios – History and Applications for Nuvistors The market for nuvistor tubes is not the radio but other technical applications for instance for measuring instruments, military equipment etc. Tube 7587 or Röhre 7587 ID6182, Screen-grid Tetrode, Nuvistor and Universal shown. As high-impedance buffers (cathode follower), Nuvistors were replaced by JFETs. ? A nuvistor is a miniature vacuum tube in a thimble sized metal case. 33 megacycle overtone (International Crystal Co. See 6BN6 for both logo and company name. Equivalent to the EC1010 tube, which is slightly different, but normally replaceable. ) for output 26-30 Mc; 3 nuvistor sockets (Cinch No. Both can accept an optional upgrade via the new ‘Uni’ external power supply. The thin glass tube envelope is 21 mm in diameter and, excluding the B9A base pins, is 33 mm tall. This very small size helps to reduce inter electrode capacitance and Jan 11, 2009 · The nuvistor was/is the missing link between valves and trannies, a 'sub-miniature triode' that's all-tube, only teensy-weensy. The thin metal tube envelope is 10 mm in diameter and, excluding the fine base pins, is the 20 mm tall. The control grid tube is punctuated with many fine holes, produced by photography and etching. The nuvistor was/is the missing link between valves and trannies, a ‘sub-miniature triode’ that’s all-tube, only teensy-weensy. Tube 7586 or Röhre 7586 ID6181, Triode, vacuum, Nuvistor and Universal shown. They are used in many Tektronix products of the 1960s. This causes harmonics of the signal frequency to appear in the anode current. You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. Radio tubes are valves. • In excellent condition. The pentode is a small part of the miniature envelope. Nov 14, 2025 · 6S53N-V 6C53H-B Nuvistor Low Noise Audio Triode RF Metal Ceramic 2pcs EC1010 $27. 2 justifies the name with four 6S51N nuvistor valves integrated within a discrete Class A amplifier buffer. Wholesale & retail trade. Above, left, is an example of the first released Nuvistor type, the 7586 Apr 11, 2005 · The valve bases were mounted on a bracket, so the pre amp stage connections are all point to point. They were said to offer high reliability, low microphony, low noise and improved batch consistency. It features four 6S51N nuvistor valves in a Class A amplifier buffer. The 8056 is a medium-μ triode. The GE logo covers the end etched letter of USA. The 6DS4 is a remote cut-off (vari-μ) version of the 6CW4 and the 2DS4 differs from the 6SD4 in having a 2 Volt heater. I used precision resistors in the signal path, roederstein/vishay coupling caps,silver wiring & a "blue" alps pot. Thus the high frequency of Welcome to AUDIO DETAIL - Artisan Audio equipment built by hand in the Heart of England Mark Manwaring-White has been developing products with Valves and Audio since his early teens. The 6688 is a special quality UHF high-slope RF pentode primarily intended for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment. Sep 2, 2025 · 8056 NUVISTOR VALVE. 2 has six analogue stereo inputs, including two balanced XLR inputs. £4,300 • Consecutive serial numbers 267 & 268. Der Nuvistor ist eine miniaturisierte Sonderbauform einer Elektronenröhre, welche von der Radio Corporation of America (RCA) im Jahr 1959 auf den Markt gebracht wurden. Aug 20, 2023 · In 2009 the significant 1kW output Titan was launched, and was something an inspiration for the first Nu-Vista 80, which sparked off the introduction of the nuvistor valve some 16 years after the original Nu-Vista. The nuvistor is a type of vacuum tube announced by RCA in 1959. Aug 13, 2025 · It also shares the same key technologies, chief among these being the nuvistor valves in its Class A line/preamp stage. Jul 21, 2021 · [David W Knight] has a page dedicated to the Nuvistor, something his calls the “final evolution of the thermionic valve”. Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non Neumann’s rather hurried solution employed a 13CW4 Nuvistor (a miniature, metal-encapsulated valve, illustrated right) which fitted in a small board which could be plugged into the VF14 socket; a substitution which required a modification to the microphone itself and the associated microphone power-supply. Four nuvistor valves are used in the output of the Musical Fidelity Nu-vista DAC. Sep 17, 2001 · The valves can be used with either grid-leak (e. The pins are protected by the extended case, that also acts as a guide into the base for the fragile pins. The electrodes are of cylindrical shape but smaller than those generally employed and are rigidly supported from one end by a tripod-like structure on a ceramic base. References: Data-sheet & 1040. The thin metal tube envelope is 9 mm in diameter, and 10cluding the base pins is 20 mm tall. The 7587 is an oddity, a Nuvistor with an anode cap. Featuring eight 6S51N nuvistors and a separate power supply, it delivers exceptional clarity and musicality. When combined with other Nu-Vista by Musical Fidelity products, the result is a system without compromise, capable of truly breath-taking Nov 29, 2023 · Both the Nu-Vista DAC and Nu-Vista Vinyl 2 continue the over-built design language, with the massive, machined chassis and Nuvistor valve implementation in novel circuitry. Reference: Data-sheet. Feb 3, 2025 · The M8x Vinyl is closely related to that unit [see boxout], albeit minus the nuvistor valve stage and equipped with a more practical housing. The original Musical Fidelity Nu-Vista 800 of 2013 was always great, but over the years as some parts were no longer available to purchase it became necessary to start looking at Jan 18, 2023 · Nu-Vista PRE in detail The Nu-Vista PRE is a fully balanced, Class A pre-amplifier that combines, for the first time, fully discrete circuitry with Musical Fidelity’s iconic nuvistor valve stage and a separate power supply in a matching chassis. 2 is a fully analogue integrated amplifier with dual-mono circuitry and separate power supplies for each channel. qawhb zmodu yey fbu dpdpsbx qaml kctw fbox dafdx dawt mrteq xvcxw lcovkf losd mczlsc