• Ultra-linear electronic circuits are those used to couple a tetrode or pentode vacuum-tube (also called "electron-valve") to a load (e.g. to a loudspeaker)...
    5 KB (734 words) - 22:19, 22 March 2023
  • Alexandra Palace. In June 1937, Blumlein patented what is now known as the Ultra-Linear amplifier (US Patent 2,218,902, dated 5 June 1937). A deceptively simple...
    24 KB (2,998 words) - 14:13, 23 June 2024
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    versions of the SEPP and White follower do exist, but are rare. A so-called ultra-linear push–pull amplifier uses either pentodes or tetrodes with their screen...
    17 KB (2,245 words) - 23:03, 11 June 2024
  • his work on an improved version of the Williamson amplifier using the ultra-linear circuit of Alan Blumlein. In 1950, Hafler founded Acrosound with his...
    6 KB (706 words) - 11:31, 1 October 2023
  • Thumbnail for Fender Bassman
    came with a three-band EQ on the Bass channel and 75 Watts/RMS with ultra-linear output section). Bassman 50 (1972–1977) – Silverface piggyback head –...
    15 KB (1,998 words) - 09:55, 28 March 2024
  • increased power output to 70 watts. The output transformer was connected as ultra linear to the power tubes and larger filter caps where used. These changes increased...
    4 KB (481 words) - 07:18, 19 May 2024
  • followed by a driver (triode) and (triode or pentode) output stage (in ultra linear in many cases) to form the classic push–pull amplifier circuit. The push–pull...
    38 KB (5,587 words) - 12:07, 19 May 2023
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    (of which ultra linear circuit is a specific form) distributes the load also to cathode and screen terminals of the tube. An Ultra-linear connection...
    44 KB (5,688 words) - 08:44, 9 July 2024
  • 6L6 or EL34 but occasionally KT88, 6550, or the lower-power EL84 in Ultra-Linear connection. The output stage is preceded by a voltage amplification stage...
    15 KB (1,996 words) - 17:21, 27 July 2023
  • for home electronics hobbyists. The two men refined and developed the ultra-linear audio circuit pioneered by British audio electronics engineer Alan Blumlein...
    13 KB (1,724 words) - 04:46, 18 February 2024
  • Thumbnail for Ultra-high-definition television
    Ultra-high-definition television (also known as Ultra HD television, Ultra HD, UHDTV, UHD and Super Hi-Vision) today includes 4K UHD and 8K UHD, which...
    125 KB (11,298 words) - 16:55, 5 July 2024
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    damage it. That's why the tube cannot be efficiently used in so-called "Ultra - Linear" regime when anode and screen grid have the same voltage at idle. However...
    7 KB (988 words) - 12:16, 5 January 2023
  • Thumbnail for Beam tetrode
    in the USA and Europe through the 1950s and 1960s. In the 1950s, the ultra-linear audio amplifier circuit was developed for beam tetrodes. This amplifier...
    17 KB (1,834 words) - 12:26, 19 May 2024
  • Thumbnail for Ultra HD Blu-ray
    Ultra HD Blu-ray (4K Ultra HD, UHD-BD, or 4K Blu-ray) is a digital optical disc data storage format that is an enhanced variant of Blu-ray. Ultra HD Blu-ray...
    20 KB (1,656 words) - 18:37, 23 June 2024
  • Linux on 9 September 2015. An expanded edition titled The Stanley Parable: Ultra Deluxe was released on 27 April 2022. It is currently available on consoles...
    84 KB (8,109 words) - 15:16, 9 July 2024
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    minor variations (notably different phase splitter arrangements and the "Ultra-Linear" transformer connection for tetrodes) rapidly became widespread. This...
    21 KB (2,898 words) - 05:48, 6 February 2024
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    amplifier's output power was upgraded to 100 watts and between 1977–1982 an ultra linear output transformer was used, increasing the power to 135 watts. A Hum...
    25 KB (3,449 words) - 19:36, 27 April 2024
  • Thumbnail for Linear actuator
    A linear actuator is an actuator that creates linear motion (i.e., in a straight line), in contrast to the circular motion of a conventional electric motor...
    21 KB (2,611 words) - 18:43, 19 June 2024
  • Keroes, H. (1951). "An Ultra-Linear Amplifier" (PDF). Audio Engineering (November): 15–17. Hafler, D.; Keroes, H. (1952). "Ultra-Linear Operation of the Williamson...
    65 KB (7,418 words) - 19:28, 18 May 2024
  • took advantage of newer more efficient power valves and the so-called "ultra-linear" connection of the output stage to obtain higher power output with triode-like...
    4 KB (497 words) - 17:51, 27 November 2023
  • Thumbnail for Oxygen-free copper
    good creep resistance, ease of welding, and low relative volatility under ultra-high vacuum. Conductivity is generally specified relative to the 1913 International...
    11 KB (1,215 words) - 21:43, 29 April 2024
  • Thumbnail for SLAC National Accelerator Laboratory
    SLAC National Accelerator Laboratory, originally named the Stanford Linear Accelerator Center, is a federally funded research and development center in...
    29 KB (2,654 words) - 12:09, 16 June 2024
  • Thumbnail for Fender amplifier
    co-existed for years. In fact, many Silverface designs were revised to the ultra-linear architecture to step up their output power from 100 watts to 135 watts...
    24 KB (3,462 words) - 12:39, 18 May 2024
  • popular Mullard 5-10 audio amplifier using two EL84 power pentodes in ultra-linear push-pull configuration. In the 1960s and 1970s there were many further...
    11 KB (1,323 words) - 11:45, 2 March 2024
  • Thumbnail for Parallel SCSI
    Parallel SCSI (redirect from Ultra SCSI)
    marketed as Ultra-160+ or Ultra-3 (U3). 8-bit bus width as well as HVD operation were eliminated starting with Ultra-3. Ultra-320 included the Ultra-160+ features...
    32 KB (3,420 words) - 21:44, 20 May 2024
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    extract a signal out of the background clutter. The system relied on ultra-linear amplifiers that could amplify the signal across the entire frequency...
    12 KB (1,749 words) - 09:01, 3 April 2024
  • Thumbnail for Linear low-density polyethylene
    Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by...
    5 KB (582 words) - 18:47, 14 June 2024
  • the United States. June 5 – Alan Blumlein is granted a patent for an ultra-linear amplifier. Alec Reeves invents pulse-code modulation. Nobel Prizes Physics...
    12 KB (1,207 words) - 09:32, 4 July 2024
  • In electronics, a linear regulator is a voltage regulator used to maintain a steady voltage. The resistance of the regulator varies in accordance with...
    18 KB (2,558 words) - 19:51, 15 May 2024
  • Thumbnail for 8K resolution
    8K resolution (category Ultra-high-definition television)
    Galaxy S22 Samsung Galaxy S23 Samsung Galaxy S24 Xiaomi Mi 10 Xiaomi Mi 10 Ultra Xiaomi Mi 10T Xiaomi Mi 11 In 2007, the original 65 mm negative of the 1992...
    44 KB (4,469 words) - 21:54, 12 June 2024