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AR06_LF

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ID = 30731
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Ediswan, Siemens Edison Swan Electric Co.; London 
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to AR06_LF
Similar Tubes
Normally replaceable-slightly different:
  A306_B4 ; AR06 ; AR06_HF
First Source (s)
1922 : Saga of the Vacuum Tube, Tyne
1925 : History of the British Radio Valve to 1940 p. 158

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.06 Ampere / Direct / Battery =
Description

First made in 1924, this tube has a green stripe painted on the side of the glass, from the base to the tip. This indicates that the tube is for Low Frequency use.The stripe measures about 3 mm wide and over time, in many cases, the stripe has worn off..

 
Dimensions (WHD)
incl. pins / tip
x 105 x 31 mm / x 4.13 x 1.22 inch
Weight 47 g / 1.66 oz
Information source British Radio Valves - The Vintage Years: 1904-1925   Pages 50 & 115

b4_base_pins~~220.png AR06_LF: Fin Stewart
Fin Stewart


Just Qvigstad
ar06lf_spec.png
AR06_LF: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

 

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