Nuvistor audio amplifier. Tracking is included in shipping charge.

Nuvistor audio amplifier. Nov 28, 2023 · Having rubbed shoulders with MF’s finest (and largest) solid state amps for some years, the reintroduced Nu-Vista models follow in the footsteps of the original models from 2014, only they’ve now been elevated as the brand’s flagship range under Lichtenegger. S. ) However, 8393 nuvistors are rare and AKG used a 7586 nuvistor in the C-12A mics and a RCA 7586 nuvistor in the C61 mics. 2 Integrated Amplifier, a fully analogue, dual-mono masterpiece that blends vintage warmth with modern precision. This vintage vacuum tube, model 6DS4, manufactured in the United States by RCA, is a great addition to any amplifier, radio, or audio system. Price: $4500 (2001); no longer available (2004). Better get it now before it flies out the window! Representing the very best of luxury high-end audio, this is a complete solution that is easy to integrate with a wide range of high-end sources and loudspeakers. Reason is that the preamp will have a high output impedance (>1K) and the 'phones will be low impedance (<100 ohms) The preamp will be loaded down excessively causing distortion and maybe too little output power. At its core, the amplifier integrates Nuvistor tubes—a technology pioneered in the 1950s to overcome the limitations of conventional tubes. Explore our selection to find the right components for your projects. Featuring eight 6S51N nuvistors and a separate power supply, it delivers exceptional clarity and musicality. For the first time, Musical Fidelity has decided to combine Nuvistor tubes with the latest fully symmetrical, discrete technology. Designed to run on a standard 9v DC adapter (300mA+), the pedal boosts the voltage internally to 200v to run the tubes at their ideal plate voltage for the big headroom and responsive feel of a tube amp. 2, a true heavyweight in the world of High-End Integrated Amplifiers. We are dedicated to the design and production of pure valve amplifiers and hi fi equipment. Reading Room Thermionic Audio Books Last Edited: 12-Sep-2004 RCA's (1959) introduction of the Nuvistor vacuum tube, heralded one of the attempts of tube manufacturers to hold onto a major portion of the small–signal amplification market. The pins are protected by the extended case, that also acts as a guide into the base for the fragile pins. Its ranges span the M series up to the flagship Nu-Vista line, emphasizing traditional two-channel home audio. Come take a look as we delve into the issues. Jan 18, 2023 · NU-VISTA BY MUSICAL FIDELITY The Nu-Vista By Musical Fidelity comprises of separate pre- and power amplifier solutions, the Nu-Vista PRE pre-amplifier, Nu-Vista PAS stereo power amplifier and the Nu-Vista PAM mono power amplifiers will begin shipping during early 2023. Mar 9, 2024 · NOS GE 2DS4 Triode NUVISTOR Amplifier AUDIO RADIO VACUUM TUBE Tested 5. Dec 4, 2023 · The Nu-Vista DAC incorporates our famous Nuvistor circuitry, each channel having a fully balanced stage of Nuvistor 7586 triode tubes involved in a discrete Class A amplifier buffer. 150mA @ 6. 2 boasts six stereo inputs, including two balanced XLR inputs. 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 NOS ZENITH 2CW4 Nuvistor AMPLIFIER Radio Audio VACUUM TUBE Tested USA 5. They are used in a variety of applications, including audio and RF amplifiers. Jul 7, 2013 · The 5,500 US dollar Nu-Vista 300 has comparable sound to the JFET input Audio Research VTM 200 monoblock power amp, though the 6550 output tube equipped Audio Research costs around 14,000 US dollars per pair. Sep 17, 2001 · Cascaded circuits are rarely required, however, for a single-stage Nuvistor circuit operating in front of a television tuner will almost certainly make a 2-3 dB improvement in the noise figure while also providing a gain up to 40 or 50 times, depending upon the bandwidth and how well the amplifier is constructed and neutralised. The Nu-Vista 800 was an amplifier that has enjoyed much popularity and use as a high end hybrid integrated over the past few years. Due to From the tone controls, the signal goes to a V2 amplifier stage, which is necessary to restore the loss of the tone control circuits itself. To achieve its unique sound signature, the Nu-Vista 600. It introduces an amount of feedback, but it is local, intrinsic feedback, and as such it does not cause any problem. Can anyone suggest such a scheme? Perhaps - someone has already made such a preamp and got a good result. Unfortunately just as uses for Nuvistor tubes were being explored, the transistor was invented and it was ‘game over’ for Nuvistors. Early versions use an Nuvistor tube for the front-end cathode follower. Nuvistor tubes were invented in the 1950s to solve the many shortcomings of conventional tubes. As small as an early transistor, super efficient, and designed to be long lasting and reliable. 1406-D Dec 16, 2019 · I recently repaired and serviced this monster Musical Fidelity NuVista M3 integrated amplifier. Dec 23, 2009 · Placing the nuvistor chassis at least six inches away from electrically active transformers seems to resolve any significant hum issues in my audio chain. Delivering 160 watts per channel, this amplifier features Class A circuitry with rare 6S51N nuvistor tubes, inspired by the acclaimed Titan power amp design, ensuring a sweet, transparent sound with Aug 15, 2022 · This leads me to offering the Conrad Johnson HV-1 moving coil pre-amp. That was the gap between the manufacturer's first Nu-Vista Jan 17, 2023 · The matching Nu-Vista PAS stereo power amplifier sees an octet of 6S 51N Nuvistor tubes (on the input stage) combine with all discrete components for a “balanced, low distortion circuit based on the legendary Titan 1000W amp that employs five pairs of high-power output devices for stable and reliable operation. 5" W by 6. In case somebody wants to play with it:). The benefit of this new top-layer PCB design is that there is more space in the chassis for connections, so the Nu-Vista 600. The Nuvistor is a thimble-sized vacuum tube (enclosed in miniature metal rather than glass) that promised high-reliability, low-noise, and low-power In this video, we explore the Musical Fidelity Nu-Vista 600. Available at Len Wallis Audio, the Musical Fidelity Nu-Vista PRE Balanced Preamp is perfect for audiophiles seeking uncompromising audio quality. These are unique toobes and among the very last toobes designed and manufactured even while transistors were taking over to a large degree. 1424-D Audio Tube Warehouse (4865) 99. Musical Fidelity's new Nu-Vista 800 integrated amplifier ($12,999) outputs 330Wpc into 8 ohms. . The 8056 used in Bob Katz’s project has the following characteristics: One (1) 7586 GE nuvistor vintage vacuum tube, made in USA,tube tests: 94 %Price is for all tubes pictured. I recently bought a Tektronix 454 for an audio engineer looking to doing some DIY work. The unit is in excellent shape with a few flaws in the back paint, but no dings, dents, and a perfect We would like to show you a description here but the site won’t allow us. This booklet describes some of the significant design features . Featuring innovative Nuvistor tube technology and dual mono design, this powerhouse delivers audiophile-grade performance with exceptional control and clarity. Aug 20, 2023 · NUVISTOR TUBES Having the 800. (Confirmed correct circuit test points up to the tube, and swapping the 8393 nuvistors in the A and B trigger caused neither circuit to work. Audio is combined to create amplitude and sidebands and then sent to a half-wave rectifier. This tube was developed as an RF amplifier in VHF television and FM receivers. 5" H by 18. So what's the down side? Musical Fidelity Nu-Vista 800 Integrated Stereo Amplifier Review Musical Fidelity, founded by Anthony Michaelson, has been designing and manufacturing high-end audio and hi-fi equipment for over 30 years. Known for combining classic audio engineering with modern innovation, the brand has earned a strong reputation among audiophiles. 6% positive May 16, 2018 · With the Nuvistor, RCA also introduced the RCA Dark Heater, a lower temperature filament that guaranteed higher stability and less AC leakage. Is that long enough for you? It is for me. ) And don't worry: Just because Michaelson has cornered the market, don't think he's going to Aug 17, 2006 · I have a number of toobe Tektronix scopes that use the 7586 Nuvistor in the front ends. The Musical Fidelity Nu-Vista PRE Balanced Preamp redefines hi-fi performance with its nuvistor valve technology and fully balanced design. 3V). We offer the best English valve amplifiers. Nu-Vista provides five line level inputs, a tape loop and a phono section derived partly from the X-Tract, all fed by gold-plated phono sockets. The trigger circuit in the has a trigger amplifier driving a 1N tunnel diode , D Below are links for circuit, of nuvistor amp, SPICE model of nuvistor and triode symbol. Jan 18, 2023 · The new range consists of the Nu-Vista PRE pre-amplifier, Nu-Vista PAS stereo power amplifier, and Nu-Vista PAM monobloc amplifier. Apr 19, 2025 · Experience unparalleled sound quality with the Musical Fidelity NuVista 600. The power amplifiers provides an output power of 160 watts per channel at 8 ohms, 300 watts at 4 ohms, with peaks of 500 watts at 2 ohms. Tracking is included in shipping charge. Musical Fidelity used 6CW4 nuvistors in their Nu-Vista 300 amplifiers and their Nu-Vista 3D CD players. Jan 11, 2009 · The 6CW4 nuvistor triode is roughly equivalent to a Lilliputian ECC88, the '88 being one of the most highly regarded pre-amp tubes in use today. g. We would like to show you a description here but the site won’t allow us. Mar 3, 2023 · This involves eight (four per-channel) 6S51N nuvistor valves in a discrete, Class A amplifier buffer stage plus fully balanced circuitry and a precision-matched stepped attenuator for volume control. RCA Nuvistor 6CW4NOS w/ Original Box IncludedAUDIO VACUUM TUBEAMPLIFIER TYPE TUBEVINTAGE STOCKNuvistor TubeStraight PinsDATE CODE: DTESTED on SENCORE TC-136Results: 110% / 110%Combined Shipping Availa Jan 26, 2020 · Allnic Audio HA3000 Tube for sale. By contrast, the massive, dual-mono Musical Fidelity Nu-Vista 800 integrated amplifier, which Michael Fremer reviewed for Stereophile in November 2015, featured nuvistor tubes for its small-signal circuitry, coupled with a solid state, class-AB output stage that could deliver 330Wpc into 8 ohms. Description Features Specifications PLEASE CALL 855-991-8181 FOR AVAILABILITY The new NuVista 600 integrated amplifier combines technology from several different eras of electronics design. Shipping weight 4 ounces. 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. Along with low noise and low power this is a key reason why they have been used in microphones, and also in high-quality audio pre-amplifiers. The Nuvistor is built as a series of co-axial electrodes but they are all very small, and small inter electrode capacitances result. It features RCA and XLR outputs, 3x optical and 1x coax SPDIF inputs, 1x USB and 1x AES/EBU inputs. Single-Ended Mono Block Power Amplifier Se1 GM70 has very short signal path without main passive components – no coupling capacitors & no inter-stage transformers. It features a pair of new old stock nuvistor vacuum tubes and an interesting passive EQ circuit. 5 out of 5 - 8 reviews - audioreview. RCA 1938 AN-84 The Operation of Phototubes - Detailed application of phototubes, especially for sound playback purposes. com RCA 6DS4 "Nuvistor" triode vacuum tube, ca. Power supply: 14" W by 5. Said to bridge the gap between transistors and tubes perfectly. Dec 5, 2019 · Likelihood is that the nuvistor preamp will not drive the headphones adequately. This signal is then injected into the grid of the tetrode final amplifier where the modulation envelope is May 12, 2015 · I know, so very scandalous, replacing tubes with transistors. 1 Sylvania 6CW4 Vacuum Tube Sealed NOS/NIB Nuvistor 2 NOS RCA 6CW4 Nuvistor AUDIO AMPLIFIER Radio VACUUM TUBE USA Nuvistor was just a simple signal amplifier, something smaller, yet considerably more expensive than a 6C4: it could never replace the variety of miniature and subminiature tubes already in production. 2 integrated amplifier & Nu-Vista DAC As an audiophile who got his introduction to this hobby, or perhaps obsession is a better word, in the late eighties, the Musical Fidelity brand had a big impact on me. 3ea NEW 5 Pin Nuvistor Sockets CB Radio Audio Amplifier Vacuum Tubes. Preamp circuits have been removed from the back panel PCB and are now built on a self-screening tray at the top of the unit for less noise and distortion, protected from noisy PA and heavy current power supplies. Jan 29, 2023 · The Musical Fidelity Nu-Vista PRE, PAS, and, PAM represent the latest high-end audio components that use vacuum tubes. These tubes offer low noise, high reliability, and exceptional performance, delivering a silky-smooth sound with a natural warmth that’s hard to replicate. 2 is our latest love letter to strictly analog, discrete, dual mono amplifiers using big oversized toroidal transformers with multi array power supplies and the finest filtering of pre- and power section. Apr 10, 2023 · The power amp is also a hybrid design, employing a similar, fully balanced nuvistor 'op-amp' input/driver stage, this time ahead of a Sanken transistor-based power amp. The company claims this means, even when listening at low or very high volume, the stereo imaging will always remain detailed and precise. 25" H by 10" D. 15 amp heater current. 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. Oct 1, 2023 · As per Musical Fidelity up-tier amplifiers of yore (currently, Musical Fidelity, alongside Pro-Ject, falls under the corporate umbrella of Austria's Audio Tuning Vertriebs GmbH), the Nu-Vista PAS is a two-box power amplifier which separates the power supply section from sensitive circuit stages. Unfortunately, as with all things encompassing modern, as well as more traditional technology, parts were discontinued. This piece uses the coveted Nuvistor tubes that were in some of the most iconic CJ pieces, and then later adopted by Musical Fidelity in some of their top tier designs. A new integrated amplifier from the British company Musical Fidelity Nu-Vista 600. 83 shipping (8) NOS NIB RCA & Other 1629 12 Volt 6E5 Radio Audio EYE Tubes RCA 1938 AN-83 Resistance-Coupled Amplifier Data for 6L5G, 6T7G, and 6S7G - Audio amplifier data for these tubes with 0. Millions of nuvistors are presently in use in such diverse applica tions as television-receiver rf amplifiers and in “hybrid” circuits in spacecraft such as Nimbus, Tiros, and Ranger. The Nu-Vista PAS features the tried and tested Nu-Vista stage featuring 6S51N nuvistors in a discrete class A amplifier buffer. No other specifications listed. Serial number of unit reviewed: None found. The Nuvistor was employed in audio amplifiers although not designed for this purpose. OFFERING: Allnic HA3000 NUVISTOR Hi Gain Head Amplifier (2 chassis design with outboard PS) 31. The original “retro look” display was suddenly no longer produced at very short notice. There the matter rested until about fifteen years ago, when Musical Fidelity created the first of its ground-breaking Nu-Vista series. Nuvistor Audio Amplifier Show product Power transformer for tube amplifiers, output transformers, audio line transformers and more. The all-analogue amplifiers have been designed from the ground up, featuring Nuvistor valves, fully balanced discrete circuitry, and extensive connectivity. Ths nice thing about Nuvistors is that they operate on relatively Sep 7, 2023 · This latest nuvistor/bipolar hybrid integrated marks a return of Musical Fidelity's traditional 'no-nonsense belter'. These legendary, limited-edition products sold out in a matter of months. The HT 2500 should not be stacked with its own power supply, because some hum will become evident. Later versions use a FET front end. 5" D. 2 based largely on the separate PRE and PAM/PAS, the nuvistor tubes of this hybrid integrated amplifier are found in the preamp section. We test all tubes we sell! We will combine shipping! Check out my other tubes!Tubes are tested Jan 29, 2025 · The Nu-Vista 600. 2 is an upgraded take on the original 800 integrated, which was discontinued in 2021 due to Feb 29, 2004 · Both the original Nu-Vista preamplifier and power amplifier (the latter reviewed in December 1999) include tiny, metal-can nuvistor (6CW4) triode vacuum tubes in their signal paths, but the M3 concentrates both pairs of these in its preamp section. Feb 6, 2023 · Unfortunately just as uses for Nuvistor tubes were being explored, the transistor was invented and it was ‘game over’ for Nuvistors. Output power: 275Wpc into 8 ohms (24. 98 shipping Sidebar 1: Specifications Description: Hybrid nuvistor/transistor integrated amplifier. Made in USSR. 2, the definitive integrated amplifier under $10,000. With its legendary nuvistor tube stage, TITAN-inspired amp design NOS ZENITH 6DS4 Nuvistor Amplifier RADIO AUDIO VACUUM TUBE Tested USA 5. The Nu-Vista PAM features the tried and tested Nu-Vista stage featuring 6S51N nuvistors in a discrete class A amplifier buffer. 5dB gain Store De Apr 11, 2005 · I've been able to sub 6CW4 for 7586 in CFs in HP3400 RMS meters, but you probably couldn't use a 7586 in an RF circuit designed for 6CW4 or for a plate loaded amplifier with gain of 40. The incoming 800. Jan 29, 2025 · The power amp, preamp and nuvistor stage layout has been significantly revised and improved. The device is fully consistent with the brand's philosophy and uses a massive design with a dual mono configuration, a solid power supply, preamplifier and power-amp filtering and the use of Class-A tube stage consisting of nuvistor tubes. Find many great new & used options and get the best deals for No 7586 nuvistor RCA amplifier radio audio vintage 2 vacuum tubes tested 7586 at the best online prices at eBay! Free shipping for many products! Apr 29, 2015 · “Diode Modulation” is a simple means of creating an AM signal. 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. Compared with old–fashioned SET tube amps, Musical Fidelity’s nuvistor based amps are slightly “cooler” in the midband. 2 scheduled for release since January 2025. Tubes by 1970s. 2 features four 6S51N nuvistor valves in a discrete Class A amplifier buffer. Software controlled. By improving on reliability, size, microphony, operating performance (noise, gain, linearity and PSU requirements) and consistency between manufacturing batches, the miniature, metal-bodied nuvistor was rolled out to great fanfare in RCA's TV and radio sets. 2 now features the full TITAN power amp design including locally decoupled output stage. Jul 25, 2023 · Hot on the heels of the PRE, PAS and PAM separates, Musical Fidelity, now owned by Pro-Ject’s Heinz Lichtenegger, has turned its attention to a Nuvistor tube-loaded integrated amplifier. Experience the pinnacle of audio fidelity with the Musical Fidelity Nu-Vista 600. Dec 27, 1999 · With the Nuvistor's life expectancy of approximately 100,000 hours, Musical Fidelity figures that, with the second set of Nuvistors in waiting, the life expectancy of the limited-edition preamp and amp should be 25 to 30 years. With its NOS (New Old Stock) quality, you can be sure that Jan 17, 2023 · Musical Fidelity NU-VISTA PAS – A whole new level of quality The Musical Fidelity NU-VISTA Series has always been exceptional, and this is even more true of the latest generation of systems such as the new Musical Fidelity NU-VISTA PAS. Now let’s take a closer look at the Nu-Vista 800 integrated The pre-amplifier, nuvistor stage, and the input circuits are all fully dual mono, with separate power supplies for each channel. One famous audio application of the Nuvistor was in the mid-1960s Ampex MR-70, a costly studio-grade 1-inch 4-track tape recorder whose entire electronics section was based on 7895 triodes and push-pull pairs of 7587 tetrodes. The exciter creates the carrier. 00 + $5. It will be seen from the circuit diagram that. 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. (But then, I'm an old goat. Dimensions: Amplifier: 19. Weight: 30 lbs. Brand new, in unopened box, purchased from authorized dealer, with warranty. Musical Fidelity is a British hi-fi electronics brand designing amplifiers, DACs, CD players, and related separates. I remember hearing their Tim de Paravincini designed Class A, A1 model for the first time at Radford Hifi in Bristol. Input stage in Se1 GM70 form EC1010 (or equivalent) nuvistor tube capable Jan 2, 2025 · Musical Fidelity also indicates that the output stage, pre-amplifier, and NuVistor stage topologies have undergone significant revisions and improvements. dime for scale The nuvistor is a type of vacuum tube announced by RCA in 1959. 00 + $6. Feb 1, 2025 · NOS GE 2DS4 Triode NUVISTOR Amplifier AUDIO RADIO VACUUM TUBE Tested $6. The Nu-Vista DAC incorporates our famous Nuvistor circuitry, each channel having a fully balanced stage of Nuvistor 7586 triode tubes involved in a discrete Class A amplifier buffer. A High-Mu triode can be used for many other special purpose circuits like. Nuvistor technology Semi conductor technology Surface Mount Design technology CAD/CAM PCB design Software control The NuVista 600 Aug 20, 2025 · Find many great new & used options and get the best deals for NOS GE 2DS4 Triode NUVISTOR Amplifier AUDIO RADIO VACUUM TUBE Tested at the best online prices at eBay! Free shipping for many products! General: Rare and limited Nu-Vista 300 amplifier from Musical Fidelity which uses the very limited Nuvistor tube. Discover why this analog masterpiece outperforms its price-point competitors Se1 GM70 Single Ended Mono Block Power Amplifier New version already improve quality of previous model by set power to 25W with special single gain design. Nu-Vista by Musical Fidelity product features include Nuvistor tubes, chosen for their technical characteristics, fully Oct 3, 2025 · 6S53N-V Nuvistor Miniature Triode Tubes. Musical Fidelity has created some rather innovative products over the past 3 decades including some unique power amplifiers that delivered excellent sonic performance with a wide A 7586 nuvistor in common cathode and automatic (cathode) bias configuration, without any cathodic bypass, drives another common plate (cathode follower) 7586 nuvistor tube. Weight: 65 lbs. Oct 30, 2021 · Hello! I need a phono preamp circuit on nuvistors - I want to make such a device for myself . Despite this innovation, most Nuvistor heaters require around 1W to light (e. The scope has a bad 8393 Nuvistor in the A trigger circuit. And on top, the beautiful Class-A tube stage consisting of highly famed, and by now almost extinct, nuvistor tubes. Compared to the old Nu-Vista 600, the updated 600. I will be very grateful for the information . Musical Fidelity already has great experience with this high power, high current output stage configuration. When combined with other Nu-Vista by Musical Fidelity products, the result is a system without compromise, capable of truly breath-taking performance. Approximate Jan 10, 2018 · May I have opinions please on the pluses and minuses of Nuvista tubes versus vacuum tubes? Supposedly and from the basic homework I've done, Nuvista tubes purportedly offer high reliability, low microphony, low noise, consistency, and small size compared to their vacuum counterparts. RCA NOS/NIB 6CW4 Nuvistor vacuum tube tested and guaranteed $24. Dec 7, 2023 · The nuvistor was introduced by RCA in 1959 for use in TV sets, and although it was replaced by solid state devices in mainstream uses, it appears to be widely available on eBay. We were therefore left with a choice – discontinue Matteo, 10 watts integrated stereo amplifier The Tektronix Type is a 15 MHz portable dual-trace oscilloscope introduced in It was available with an optional battery back for operation without mains power. Jul 24, 2006 · LOOKING for NuVistor preamp preamp schematic pls. 1693-D Musical Fidelity Nuvista Preamplifiers user reviews : 4. The unbypassed cathode resistor limits gain and distortion. 95 Free shipping No 6AV5GA NOS RCA radio audio amplifier vacuum tubes 4 valves 6AV5 x 6 $26. You need to add a tiny (1 watt or less) power amplifier. 20 mm high and 11 mm in diameter Nuvistor with U. Paired with a Quad CD player and Heybrook Oct 22, 2015 · I've owned numerous Nu-Vista models, including the curvaceous, dual-chassis 300 power amplifier and matching preamp, and no nuvistor in any of them has failed or gone noisy. Our specimen came from a Tektronix dual trace oscilloscope 'Y' amplifier. com Combining pre and power amplifiers into one box shouldn’t mean compromise; our integrated amps are engineered as discrete pre-amps and monobloc power-amp designs that just happen to sit inside the same case. 4dBW). The result is an amplifier 6CW4 Nuvistor Sylvania Brand Tubes. We wasted no time getting down to Sandy Hook to learn more of this first amateur use of the Nuvistor in our area. 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!'. Since RCA nuvistor tubes were first announced in 1959, they have been used in a wide variety of con sumer, industrial, and military equipment. Nuvistor Nuvistors are small vacuum tubes that provide high gain and low noise performance. Excellent Sonics. Apr 26, 2024 · Musical Fidelity Nu-Vista 800. See full list on tmraudio. oxrer jx 6ydu nt556 qu8 o6e1 ozhc mlhi kk qvwq