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20CH4U

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ID = 8596
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode-Heptode   Frequency converter   Controlling (mu) 
Identical to 20CH4U = UCH4

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vao) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Tester Data Avo CT160

20ch4u_applic.png
20CH4U: Personal file
Antonio Rabitti

20ch4u_so.png 20CH4U: rtt
Anonymous 10 Collector


Just Qvigstad
20ch4u_brans_vademecum_1961_1963.png
20CH4U: Brans Vademecum 1961-63
Patrice Zeissloff

Collection of

 
20ch4_argenta.jpg

 

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