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324

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ID = 12437
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 324 = 224 = FY224 = SY224
Similar Tubes
Normally replaceable-slightly different:
  22AC

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ha)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
s_225_g_7.gif
324: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 

from Just Qvigstad

Usage in Models 2= 1929? ; 2= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

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