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C304

Information - Hilfe 
ID = 44385
       
Land:
USA
Marke: Cunningham Inc., E.T.; Harrison (NJ)
Entwickler: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Typ:  Sende-Triode, luftgekühlt   Universal 
  <1925 selten.
Identisch mit C304 = UV204_spherical = 504

Sockel Pin-and-blade jumbo (3 Kontakte) Obenanschluss-Kappe.
Anwender Senderöhre (Radio)
Heizung Uf 11 Volt / If 14.75 Ampere / Direkt / Spezifizierte Spannung ~ =
Beschreibung

In line with the agreement RCA/GE had with E T Cunningham, this tube was developed at the GE laboratories in the Spring of 1920 and it was assigned the type number in November 1920. It was announced to the public in March 1921.

Special mounting (base).

 
Abmessungen (BHT)
inkl. Stifte/Spitzli
x 337 x 110 mm / x 13.27 x 4.33 inch
Literatur -- Collector info (Sammler)   Banneitz, TB der drahtl. Telephonie u.Telegr. 1927
- - Manufacturers Literature   1922-1923

pin_and_blade_base_jumbo_triode~~9.png C304: Fin Stewart
Fin Stewart


Just Qvigstad
c304data.png
C304: own collection
Peter den Boer † 2025

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c_304.png

 

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