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WH425

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ID = 86290
       
Country:
Austria
Brand: Voltron; Austria
Tube type:  Triode, vacuum   Universal 
Identical to WH425
Similar Tubes
Normally replaceable-slightly different:
  A425

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Information source - - Manufacturers Literature   Philips Equivalents, R1164 15/8/1930

b4_base_pins~~773.png WH425: Fin Stewart
Fin Stewart


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