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ID = 15153
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Raytheon Mfg. Co.; Cambridge, MA 
Tube type:  Double Triode   VHF 
  Ca. 1925 up to 1945 rare.
Identical to 2C34 = VT-224 = 34_TwinTriode
Similar Tubes
Normally replaceable-slightly different:
  4074A ; CV18 ; RK34 ; VT204_GPO ; VT61
Other base and other heater:
First Source (s)
01.Mar.1943 : Electron Tube Registration List rec. 323

Base 7-Pin-Base U7B = medium, old, USA (Codex=Mc) 2 Top contacts.
Was used by Transmittertube (Radio)
Filament Vf 6.3 Volts / If 0.8 Ampere / Indirect / Specified voltage AC/DC

Twin-triode low-power transmitting oscillator, capable of operation up to 60MHz full ratings and up to 160MHz at 50% ratings. 10 W plate power dissipation.

Originally designed for VHF remote model control. Not sure but probably part of the project undertook by Percy Spencer at Raytheon to control toy airplane models. Later it was widely used in IFF tranponders.

Dimensions (WHD)
incl. pins / tip
44 x 125 x mm / 1.73 x 4.92 x inch
Weight 60 g / 2.12 oz
Tube prices 3 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   The creative ordeal, Otto J. Scott pg.113
- - Manufacturers Literature
Tube Lore (I)
2C34: Collection JR
Jacob Roschy

More ...
2C34: ARRL Handbook 1972
Anonymous 10 Collector

More ...
2C34: Manufacturer's Literature
Emilio Ciardiello

More ...

from Just Qvigstad

Forum contributions about this tube
Threads: 2 | Posts: 2
Hits: 2073     Replies: 0
Willy De Grande
  1 Hello Hans,

Ich habe vergessen zu schreiben fur der 2C34 :  Dia:44 mm ; H=125 mm ; Gew = 60 gramm

Hits: 1886     Replies: 0
Willy De Grande
  1 Hello Hans Thomas Schmidt

In zusammenhang mit der Röhre 2C34,habe ich folgende info:
Heiz. 6,3V ; 0,8 A
Doppelt LF Pow Triode
A  300V
Ia  80 mA
Ig  20 mA
Win  1,8 W
W out   16 W
Der  2C34 = RK34

Schöne Grüsse aus Brügge

Will De Grande
End of forum contributions about this tube

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