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RK56

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ID = 12932
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Screen-grid Tetrode 
Identical to RK56
Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hc)
Filament Vf 6.3 Volts / If 0.55 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
rk56_so.png RK56: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
 
rk65.jpg

 
Forum contributions about this tube
RK56
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RK56 (RK56)
Götz Linss † 27.06.21
03.Jan.08 		  1
RK56 (RK56) 

Anwendungsdaten:

Purpose        Plate  Screen  Grid   Plate max Diss.  Output   Drive  Max.Height

=======================================================

Osc/RF Amp  300    300       -40            8W               12.5W   0.1W  5 3/16"

 

 

Quelle: Inserat Ratheon in ARRL Handbuch 1942 
 
RK56
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