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25AX4

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ID = 18651
       
 
   
Tube type:  Damper, booster, flyback diode   Power-supply 
Identical to 25AX4

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)

25ax4.gif
25AX4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

25ax4_so.png 25AX4: rtt
Anonymous 10 Collector


Just Qvigstad
Usage in Models 1= 1954? ; 1= 1958?? ; 1= 1965? ; 2= 1966??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

 
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