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PH4

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ID = 19823
       
Country:
Argentina
Brand: Philips Argentina, FAPESA, Miniwatt tubes; Buenos Aires
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old) 
Identical to PH4
Similar Tubes
Other shape (e.g. bulb type):
  6A8G

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description

See also: Mysterious P-, O- and U- tube-series

 
Literature
 
s_352_g_1.gif
PH4: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
pf9babani_1.png
PH4: Babani 1949-1951
Patrice Zeissloff


Usage in Models 1= 1938?? ; 1= 1942? ; 1= 1942 ; 2= 1948?? ; 1= 1950??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6

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