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1620 Info
Country:  United States of America (USA)      Brand:  RCA (RCA Victor Co. Inc.); New York (NY) 
  Tube type:  PENTODE   RF/IF-Stage 
Tube ID = 21174
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Identical to 1620
Similar Tubes 6J7 (other class quality (otherw. equal))   310B (Other base and other base diagram)  
Predecessor Tubes 1609  

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.3 Ampere / Vf 6.3 Volts /
Description Low-microphonic version of 6J7. 
Literature Tube Lore, Sibley, USA 1996   

374_11.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
Usage in Models   1= 1950?? ;
Number of Models with this tube   1
No further Information for

1620    

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02DecX