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NUVISTOR PREAMPLIFIER
https://worldradiohistory.com/ARCHIVE-RCA/RCA-Ham-TIps/RCA-Ham-Tips-61-09.pdf
nuvistor circuit as compared to that of older pentode amplifier designs. A noise figure of 4.5 db was measured for the nuvistor pre- amplifier by means of the noise -generator method. With the added gain of the preampli- fier, the receiver front-end contributes negli- gible noise to the system. The noise factor of
Nuvistor phono preamp | diyAudio
https://www.diyaudio.com/community/threads/nuvistor-phono-preamp.378792/
Ed Dell (RIP) , the Editor, got the folks at Circuit Cellar to take it under their wing and it is now published as part of AudioXpress. Many of the article are freely available as PDF's. Conrad Johnson used nuvistors in the phono stage of their preamps such as the once flagship Premier 7 and its smaller sibling EV-20 .
Tube Preamplifier NUVISTOR 7586 (Nuwistor) from stereo24 ...
https://www.tindie.com/products/stereo24/tube-preamplifier-nuvistor-7586-nuwistor/
Tube preamplifier NUVISTOR 7586. Designed by stereo24 in Poland. Previous Next. $90.00 $90.00 ($90.00 USD) Ask a Question. No shipping info available. Set destination country to see options. Shipping to starts at $0.00 ($0.00 USD) Free shipping is available to !
Nuvistor preamp at TNT | Headphone Reviews and Discussion ...
https://www.head-fi.org/threads/nuvistor-preamp-at-tnt.53990/
pretty damn cool , the TNT Preamble preamp redesigned to use nuvistor tubes ! Nuvistors are cute, and Nuvistors are small, but what Nuvistors aren't is a good chhoice for high-fidelity audio amps!
Looking for nuvistor pre-amp preamp schematic please. 6CW4 ...
https://www.diyaudio.com/community/threads/looking-for-nuvistor-pre-amp-preamp-schematic-please-6cw4.83681/
LOOKING for NuVistor preamp preamp schematic pls.. 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
The Nuvistor
https://www.thevalvepage.com/valvetek/Nuvistor/nuvistor.htm
There is already available a v.h.f. transistor preamplifier whose noise performance of some 3dB better than that of a valve counterpart, and this is designed for the radio and television v.h.f. bands. THE NUVISTOR Competition to the transistor in this respect has been offered by the fairly
NuVision Instrument Preamp - Lightning Boy Audio | Studio ...
https://www.lightningboyaudio.com/nuvision.html
Lightning Boy Audio NuVision tube overdrive preamp pedal Unlike most vacuum tube pedals by other manufacturers, the NuVision utilizes a 100% pure vacuum tube audio path operating at high voltage. There are no transistors or clipping diodes in the audio circuitry of this pedal. The NuVision is a limited release instrument preamp pedal.
Review: ALLNIC HT 2500 Head Amplifier Nuvistor Tube preamp
https://forum.audiogon.com/discussions/review-allnic-ht-2500-head-amplifier-nuvistor-tube-preamp
The nuvistor Ampex MR-70 was considered one of the best if not the best sounding studio reel to reel tape recorder ever made. There were perhaps 50 samples of the MR-70, all more or less custom made. Conrad Johnson made a couple of nuvistor based head amps in the 1980's, the HV1 and HV1a and HV2.
Nuvistor Valves - r-type.org
http://www.r-type.org/articles/art-150.htm
The rigidness of the Nuvistor structure makes these valves very resistant to microphony, and hence they don't generate and sustain uncontrolled acoustic feedback. 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 RCA New Vista Colour TV Chassis
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