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ID = 38001
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Transmitting Triode, air cooled   VHF 
Identical to 4304CB = DET12 = 3B/504B
Similar Tubes
Normally replaceable-slightly different:
  4304BB ; 8019 ; CV1062 ; CV1235 ; CV1288 ; CV315 ; NT58 ; NT58A ; TS2Sp
Other base:
  304B ; 4304B ; 834

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 2 Top contacts.
Was used by Radar
Filament Vf 7.5 Volts / If 3.25 Ampere / Direct / Specified voltage AC/DC

Pa <50W at Va <1250V.
Improved version of 4304BB, with graphite or carbonised anode.

4304CB was used in the early productions of AI and ASV airborne radar sets at 200 MHz.

Dimensions (WHD)
incl. pins / tip
60 x 165 x mm / 2.36 x 6.50 x inch
Weight 72 g / 2.54 oz
Information source Babani, International Radio Tube Encyclopaedia   p. 186 & 187
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 352, p. 821

det12~~11.png 4304CB: Fin
Roy Johnson

Just Qvigstad

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