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ID = 16199
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode, vacuum   Power/Output 
Identical to PP5/400
Similar Tubes
Normally replaceable-slightly different:
  CV1040 ; PX25 ; VR40
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Direct / Specified voltage AC/DC

Va<400, Pa<25W,

Dimensions (WHD)
incl. pins / tip
64 x 163 x mm / 2.52 x 6.42 x inch
Information source History of the British Radio Valve to 1940   p. 149, 171 & 204
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

1_111.png PP5/400: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
PP5/400: own collection
Peter den Boer

Usage in Models 1= 1932 ; 1= 1938??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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