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S34_HMV

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ID = 86175
       
Country:
Great Britain (UK)
Brand: HMV (Brand), His Masters Voice, The Gramophone Company Ltd.; Middlesex
Developer: Mullard Radio Company (Australia) Ltd.; Sydney 
Tube type:  Triode, vacuum   Power/Output 
Identical to S34_HMV
Similar Tubes
Normally replaceable-slightly different:
  DO20

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct
Information source British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 44

b4_base_pins~~714.png S34_HMV: Fin Stewart
Fin Stewart


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