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C304A

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ID = 44386
       
Country:
United States of America (USA)
Brand: Cunningham Inc., E.T.; Harrison (NJ)
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Universal 
Identical to C304A = 504A = UV204A

Base Pin-and-blade jumbo (3 contacts) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 11 Volts / If 3.85 Ampere / Direct / Specified voltage AC/DC
Description

In line with the agreement RCA/GE had with E T Cunningham, work started on development of this tube in March 1922 and the type number was assigned to it in the summer of 1923. It was also announced to the public at this time. Max anode dissipation 250 watts; two tubes in class-B audio amplifier with Ua = 2000 vollts delivered 600 watts output !

 
Dimensions (WHD)
incl. pins / tip
x 337 x 110 mm / x 13.27 x 4.33 inch
Information source -- Collector info (Sammler)   Banneitz, TB der drahtl. Telephonie u.Telegr. 1927

pin_and_blade_base_jumbo_triode~~10.png C304A: Fin Stewart
Fin Stewart


Just Qvigstad
c3004a_spec.png
C304A: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

 

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