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R11

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ID = 27504
       
Country:
Great Britain (UK)
Brand: Brimar (STC); Foots Cray
Developer: Standard Telephones and Cables Ltd. (STC); London, Foots Cray 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to R11 = CV1111 = VU111 = 10E/146
Similar Tubes
Normally replaceable-slightly different:
  E1132 ; U27 ; V1907

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC
Description

14kV PIV max. <0.35A peak anode current. Typically 5kV rms input and 50mA mean rectified current. 1mF maximum reservoir capacitor.

 
Dimensions (WHD)
incl. pins / tip
x 145 x 51 mm / x 5.71 x 2.01 inch
Weight 69 g / 2.43 oz
Information source -- Original-techn. papers.   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   p. 68 & 69
British Radio Valves - The Classic Years: 1926-1946

r11_so.png R11
Anonymous 10 Collector

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Just Qvigstad
r11_brimar_no.4_p166.png
R11: Brimar Radio Valves and Teletube Manual No.4
Adrian Riesen

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r11_image.jpg

 

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