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ID = 9786
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to AP4
Similar Tubes
Normally replaceable-slightly different:
  4676 ; A41_Mazda ; CV1175 ; CV1176 ; Z2 ; ZA1

Base Acorn 7 pin wide P7A (GB only)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.25 Ampere / Indirect / Specified voltage AC/DC

Acorn bulb, British pin-spacing.

Information source Taschenbuch zum Röhren-Codex 1948/49   

ap4_sockel.png AP4: Mullard Valves 1936
Peter Hoddow

Just Qvigstad
AP4: Mullard Valves 1936
Peter Hoddow


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