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19AU4

Information - Help 
ID = 5603
       
 
   
Tube type:  Damper, booster, flyback diode 
Identical to 19AU4 = 19AU4GT
Similar Tubes
Normally replaceable-slightly different:
  19AU4GTA
Heater different:
  6AU4

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 18.9 Volts / If 0.6 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Essential Characteristics, GE 1973   

19au4.png
19AU4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

oc60_g_11.gif 19AU4: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
19au4_data.png
19AU4: RCA Manual RC-21
Heinz Höger

Usage in Models 17= 1956? ; 24= 1956 ; 134= 1957? ; 45= 1957 ; 6= 1958? ; 6= 1958

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):232

Collection of

 
19au4.jpeg

 

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