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ID = 10589
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Raytheon Mfg. Co.; Cambridge, MA 
Tube type:  Transmitting Tube, Pentode, air cooled   beam power   VHF 
Identical to 4D22 = RK4D22
Similar Tubes
Heater different:
First Source (s)
05.Dec.1950 : Electron Tube Registration List 936

Base (Codex=Mck) Top contact with a cap.
Filament Vf 25.2 Volts / If 0.8 Ampere / Indirect
Description All glass body with septar transmitting base. With 600 V supply, as class C amplifier, one tube can deliver 100 W RF power with 1.25 W grid drive. Heater is center tapped and can be parallel connected for operation at 12.6 V, 0.8 A.
Sibley gives Raytheon as sole manufacturer. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
57 x 131 x mm / 2.24 x 5.16 x inch
Weight 155 g / 5.47 oz
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   ARRL 1948
- - Manufacturers Literature   
Tube Lore (I)

4d22_sock_1.png 4D22: The Radio Amateurs Handbook 1976
Otto Frosinn

4D22: Manufacturer's Literature
Emilio Ciardiello

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