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22DE4

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ID = 5654
       
 
   
Tube type:  Damper, booster, flyback diode 
Identical to 22DE4
Similar Tubes
Heater different:
  17DE4 ; 6CQ4 ; 6DE4

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 22.4 Volts / If 0.45 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

22de4.png
22DE4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

oc60_g_13.gif 22DE4: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
Usage in Models 1= 1967?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Collection of a member from D
Collection of a member from FIN
 
22de4~~1.jpg

22DE4
 

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