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HF210

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ID = 14293
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Triode, vacuum   Detector 
Identical to HF210
First Source (s)
1926 : Saga of the Vacuum Tube, Tyne p.373
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p. 163
b4_base_pins~~121.png HF210: Fin Stewart
Fin Stewart

Just Qvigstad
Usage in Models 1= 1929 ; 2= 1932?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 
hf210.png

 
Forum contributions about this tube
HF210
Threads: 1 | Posts: 1
Hits: 1603     Replies: 0
HF210 (HF210)
Harald Wittlich
09.Nov.07 		  1
HF210 (HF210) 

Ediswan

HF210 Audiontriode, 1927/28
Heizung: 2V, 100mA
Anodenspannung: 120V
Anodenwiderstand: 25 kOhm
Leerlaufverstärkung: 20-fach
Steilheit: 0,8 mA/V
 
HF210
End of forum contributions about this tube
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