Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 4233
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Transmitting Tetrode, air cooled   VHF 
Identical to 2E24
First Source (s)
15.Dec.1945 : Electron Tube Registration List 460

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ucd) Top contact with a cap.
Filament Vf 6.3 Volts / If 0.65 Ampere / Direct / Specified voltage AC/DC

Quick-heating coated filament beam power tube, designed to operate full ratings up to 125MHz and up to 175MHz at reduced output. Used in mobile and emergency communications equipment. 

Class C maximum plate dissipation, CCS 10 watts, ICAS 13.5 watts.

Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature

Egon Strampe

2e24_so.png 2E24: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
2E24: Lorenz Empfänger - Röhren
Anonymous 54 Collector

More ...
Usage in Models 1= 1949?? ; 1= 1949 ; 2= 1952 ; 1= 1953 ; 1= 1957? ; 1= 1959

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):7

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]