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12F5

Information - Help 
ID = 13403
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 12F5
Similar Tubes
Other shape (e.g. bulb type):
  12F5GT
Heater different:
  6F5

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uh)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
  12f5.png
  12F5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
326.png
12F5: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 1= 1941??

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

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