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1644

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ID = 5838
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Pentode   Power/Output 
Identical to 1644 = 12L8GT
First Source (s)
1942 : Tube Lore (I)
Production stop 1951

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vib)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

1644_so.png 1644: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
1644_01.png
1644: Manufacturer paper
Tomasz Szczesniak

Collection of

 
1644_12l8gt_p1_s.jpg

1644
 

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