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RK28A

Information - Help 
ID = 11929
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Transmitting Tube, Pentode, air cooled 
Identical to RK28A
Base Giant 5 pin medium shell USG5 Bayonet (Codex=Hr) Top contact with a cap.
Filament Vf 10 Volts / If 5 Ampere / Direct
Dimensions (WHD)
incl. pins / tip		 x 222 x mm / x 8.74 x inch
Information source Taschenbuch zum Röhren-Codex 1948/49   
rk28a_so.png RK28A: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad

Collection of

Patrice Zeissloff (F)
Georges Werts (B)
 
rk28a.jpg

RK28A
 
Forum contributions about this tube
RK28A
Threads: 1 | Posts: 1
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RK28A (RK28A)
Götz Linss † 27.06.21
03.Jan.08 		  1
RK28A (RK28A) 

Anwendungsdaten

Purpose  Plate  Grid  Screen  Supp.  Plate max.  Output  Drive pwr  max Height"

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

Osc/Amp 2000  -100   400        0        125W          200W     1.6W          8.75"

Osc/Amp 2000  -100   400      +45      125W          250W     1.6W

Supp.Mod AM

               2000  -100    400      -45       125W           60W      1.6W

 

Quelle: Inserat Raytheon in ARRL Handbook 1942
 
RK28A
End of forum contributions about this tube
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