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Shuguang 211 Audio Tube - www.thetubestore.com

    https://www.thetubestore.com/shuguang-211
    The Chinese (Sino) made Shuguang 211 is a directly heated power triode with a carbon anode capable of up to 30 watts in single ended operation.This …

211, Tube 211; Röhre 211 ID6828, Transmitting Triode, air co

    https://www.radiomuseum.org/tubes/tube_211.html
    Tube 211 or Röhre 211 ID6828, Transmitting Triode, air cooled, Jumbo 4-pin bayonet (1918) and Power/Output shown. Radio tubes are valves.

New Audio Frontiers Ultimate 211 Mono – USA Tube Audio

    https://www.usatubeaudio.com/product/amplification/power-amps/new-audio-frontiers-ultimate-211/
    New Audio Frontiers Ultimate 211 Mono Amplifier – Special Edition ... The whole amplifier is based on a zero feedback, pure class A circuitry and the output stage is composed by two 211 tubes in a parallel single-ended configuration. Thanks to tube rectified power supply based on 5R4GY vacuum diode, strictly selected components and hand-wound ...

Tektron TK 211S Tube Integrated Amplifier Review - …

    https://www.dagogo.com/tektron-tk-211s-tube-integrated-amplifier-review/
    The 211 Tube. The 211 is the tube of some legendary amps, and it creates a rather wowing first impression that I think comes from both the tubes size and shape. Most people who see them think they look very retro. An amp using 211 tubes creates a challenge for all involved, because it requires such high supply voltage.

Electra-Print.com 211 A2 Amplifer

    https://www.electra-print.com/211a2.php
    211 tube amplifiers have always delivered a nominal 12 to 20 watts in Class A operation and gained acceptance for this service. As a means to deliver more power from the 211 tube, we at Electra-Print Audio have updated the traditional design using Class A2 operation delivering easily over 40 watts due to higher swing high voltage music power.

A 211 SE Triode Amp | audioXpress

    https://audioxpress.com/article/A-211-SE-Triode-Amp
    The 211/845 family of power tubes can operate with 1250V on the plate. Anything over 1000V is enough to improve the tubes’ sound, in my opinion. The tube is rated at 75W, which seems rather low given the size of the plate. Early 211s had a stamped plate, and later ones utilized a graphite-type plate.

VinylSavor: Tube of the Month : The 211 / VT4C

    https://vinylsavor.blogspot.com/2012/07/tube-of-month-211-vt4c.html
    The X-axis is 50V/division and the Y-axis 2.5mA/division. The 211 is a serious tube, not only due to it's physical size. It is about 20cm high with a diameter of 6cm. It requires high plate voltages. To get full power it needs 1250V. It is …

211 - Frank's electron Tube Data sheets

    https://frank.pocnet.net/sheets/049/2/211.pdf
    211 Author: RCA Subject: JA-FP-2002-06-14 Created Date: 6/15/2002 1:18:08 AM ...

Air Tight ATM-211 tube monoblock power amplifier ...

    https://www.stereophile.com/tubepoweramps/687/index.html
    The ATM-211's design is said to follow that of Air Tight's highly successful ATM-300 (300B tube, 8Wpc), the 211 output tube permitting higher power. The ATM-211 operates in class-A with no overall negative feedback, and uses a direct-coupled cathode follower-driver, and a DC-driven heater filament that is claimed to eliminate hum. There is a ...

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