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VP4A

Information - Help 
ID = 10365
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VP4A
Similar Tubes
Other base:
  VP4A_7pin

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Nc)
Filament Vf 4 Volts / If 1.2 Ampere / Indirect / Parallel, (AC/DC)
Description Metallised bulb only (Mullard data book 1935) 
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
vp4a~~1.png
VP4A: R.O.
Rudolf Osterkamp

 
9a1_5.png
VP4A: Manufacturer's Literature
Emilio Ciardiello

 
vp4a.png
VP4A: Mullard Maintenance Manual
Achim Dassow


from Just Qvigstad

Usage in Models 5= 1931 ; 5= 1934? ; 11= 1934 ; 2= 1935? ; 14= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):37


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