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30P4

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ID = 22078
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Beam Power Tube   Power/Output 
Identical to 30P4
Similar Tubes
Normally replaceable-slightly different:
  30P19 ; 30P4M ; N389
Other characteristic (electr. data):
  PL36
Successor Tubes 30P19  

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description

Line Output Valve for ac/dc TV receivers

 
Text in other languages (may differ)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   

oc98_g_6.gif 30P4: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
30p4_01.png
30P4: Manufacturer's Literature
Emilio Ciardiello

More ...
Usage in Models 5= 1956 ; 1= 1957? ; 1= 1957 ; 3= 1958 ; 1= 1960

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11

Collection of

 
30p4.jpg

30P4
 

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