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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 / Specified voltage AND current AC/DC
Description

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

 
Information source
s_352_g_1.gif PH4: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad 		pf9babani_1.png
PH4: Babani 1949-1951
Patrice Zeissloff
Usage in Models 1= 1938?? ; 1= 1940? ; 1= 1942? ; 1= 1942 ; 2= 1948?? ; 1= 1950??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

Dario Marujo (RA)
 
ra_ph4_philips.jpg

 
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