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12G-R4

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ID = 45650
       
 
   
Tube type:  Vacuum Pentode   Universal 
Identical to 12G-R4

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 12.6 Volts / If 0.18 Ampere / Indirect / Specified voltage AC/DC
Description Japanese JRC type. Introduced 1946. 
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typische_schautung_12g_r4.png
12G-R4: Japanische Unterlagen 12G-Tube
Adrian Riesen
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12g_tube_pentode_socket~~1.png 12G-R4: Japanische Unterlagen Tube
Adrian Riesen


Just Qvigstad
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12G-R4: Japanische Unterlagen 12G-Tube English
Adrian Riesen

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12G-R4
 

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