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  2. List of valve amplifier designs - Wikipedia

    en.wikipedia.org/wiki/List_of_valve_amplifier...

    The first commercially produced amplifier with distortion of 0.1% was the LEAK Type 15 "Point One" of 1945, using KT66 vacuum tubes (valves) connected as triodes, with 26 dB feedback over 4 stages including the output transformer. In 1948 LEAK produced the TL/12 which was also rated at 0.1% but featured improved performance with 26 dB over 3 ...

  3. Valve amplifier - Wikipedia

    en.wikipedia.org/wiki/Valve_amplifier

    A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers in the 1960s and 1970s.

  4. Valve audio amplifier - Wikipedia

    en.wikipedia.org/wiki/Valve_audio_amplifier

    A valve audio amplifier or vacuum tube audio amplifier is a valve amplifier used for sound reinforcement, sound recording and reproduction. Until the invention of solid state devices such as the transistor , all electronic amplification was produced by valve (tube) amplifiers.

  5. NAD 3020 - Wikipedia

    en.wikipedia.org/wiki/NAD_3020

    NAD 3020 integrated amplifier. The NAD 3020 is a stereo integrated amplifier by NAD Electronics, considered to be one of the most important components in the history of high fidelity audio. [1] Launched in 1978, this highly affordable product delivered a good quality sound, which acquired a reputation as an audiophile amplifier of exceptional ...

  6. Williamson amplifier - Wikipedia

    en.wikipedia.org/wiki/Williamson_amplifier

    The Williamson amplifier is a four-stage, push-pull, Class A triode-output valve audio power amplifier designed by D. T. N. Williamson during World War II. The original circuit, published in 1947 and addressed to the worldwide do it yourself community, set the standard of high fidelity sound reproduction and served as a benchmark or reference ...

  7. Category:Valve amplifiers - Wikipedia

    en.wikipedia.org/wiki/Category:Valve_amplifiers

    This page was last edited on 5 November 2020, at 07:13 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  8. Why You Should Avoid These RV Brands - AOL

    www.aol.com/finance/why-avoid-rv-brands...

    Gulf Stream. Most common issue: Leaks Water damage is a major concern for RVers.It can cost hundreds or thousands of dollars to repair, and even result in a total loss of an RV.

  9. Valve Amplification Company - Wikipedia

    en.wikipedia.org/wiki/Valve_Amplification_Company

    Valve Amplification Company (VAC) is a U.S. supplier of high end audio electronics, principally utilizing vacuum tube technology. It was founded in 1990 by Kevin Hayes (b. 1959) and Channing W. Hayes (1923–2009).

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