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AR06_LF

Información - Ayuda 
ID = 30731
       
País:
Gran Bretaña (GB)
Marca: Ediswan, Siemens Edison Swan Electric Co.; London
Diseñador: Ediswan, Siemens Edison Swan Electric Co.; London 
Tipo:  Triode, vacuum   Audio Frequency 
  <1925 very rare
Idéntica a AR06_LF
Válvulas similares
Substituya normalmente -diferencia peq.:
  A306_B4 ; AR06 ; AR06_HF
Fuente principal (es)
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
Usada en Radio/TV-reception etc.
Filamento Vf 3 Volt / If 0.06 Ampere / Direct / Battery =
Descripción

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..

 
Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip		 x 105 x 31 mm / x 4.13 x 1.22 inch
Peso 47 g / 1.66 oz
Literatura 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
Anónimo 15 Coleccionista
 
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