Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 11619
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Transmitting Tube, Pentode, air cooled   Power/Output 
Identical to RK25
Similar Tubes
Normally replaceable-slightly different:
Other class quality (otherwise equal):
  CV622 ; RK25B
Heater different:
  RK23 ; RK45

Base 7-Pin-Base U7B = medium, old, USA (Codex=Mc) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 6.3 Volts / If 0.9 Ampere / Indirect / Specified voltage AC/DC

Isolantite base. Up to 30 MHz full ratings.
Suppressor grid wired to the base.

Dimensions (WHD)
incl. pins / tip
x 150 x 52 mm / x 5.91 x 2.05 inch
Tube prices 2 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 219
- - Manufacturers Literature   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

RK25: ARRL The Radio Amateur's Handbook 1936
Götz Linss † 27.06.21

rk25_so.png RK25: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
RK25: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez

More ...

Collection of



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]