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A30D

Information - Help 
ID = 13675
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to A30D
Similar Tubes
Normally replaceable-slightly different:
  4GPAC ; ACHL ; D4 ; HLA2 ; MH4
Heater different:
  354V

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Babani, International Radio Tube Encyclopaedia   p. 42 & 43
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 102, p. 137
Taschenbuch zum Röhren-Codex 1948/49

a30d_so.png A30D: rtt
Anonymous 10 Collector


Just Qvigstad
Usage in Models 1= 1936? ; 1= 1936 ; 4= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of

 
241220111004.jpg

 

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