radiomuseum.org

R20_Rogers

Informazioni - Aiuto 
ID = 67789
       
Stato:
Canada
Produttore: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tipo:  Triodo a vuoto   Power/Output 
Identico a R20_Rogers = 20_Rogers
Valvole simili
Other characteristic (electr. data):
  402_McCullough
Zoccolo UX-Base (4 Pins (2 thick, USA 1924) 2 Top contacts.
Utilizzata per Radio/TV-reception etc.
Filamento Vf 2.8 Volt / If 1.6 Ampere / Indirect
Descrizione

Filament connected to two top caps. This tube equivalent to type 402 but with suitable adjustment to the grid voltage. Also known as 20 or AC29.

 
Bibliografia - - Manufacturers Literature   
70 Years of Radiotubes and V.   p. 185
Tube Lore (II)
rogers_r20_pin_ass.png R20_Rogers: Fin Stewart
Fin Stewart

Just Qvigstad 		rogersdata2~~4.png
R20_Rogers: own collection
Peter den Boer
 
[rmxtube-en]
  
Conformità dei dati Ulteriori informazioni