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12AX4GTB

Information - Help 
ID = 5294
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 12AX4GTB
Similar Tubes
Different maximum ratings:
  12AX4GT ; 12AX4GTA
Heater different:
  17AX4GTA ; 6AX4GTB

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.6 Ampere / Indirect / Parallel / series AC/DC
Information source Essential Characteristics, GE 1973   
 
12ax4gtbsylvania.jpg
12AX4GTB: GP
George Papaiz

 
12ax4gtb_so.png
12AX4GTB: ARRL Handbook 1972
Michael Schlör

 
12ax4gtb_techdat01.png
12AX4GTB: RCA Tube Manual
Peter Hoddow


from Just Qvigstad

Usage in Models 31= 1956? ; 2= 1957? ; 9= 1959? ; 1= 1960

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):43


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