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306P_A-P

Information - Aide 
ID = 69436
       
Pays:
Etats-Unis
Fabricant: Atlantic-Pacific (A-P) Radio Laboratories Co. Inc.; San Francisco
Concepteur: Atlantic-Pacific (A-P) Radio Laboratories Co. Inc.; San Francisco 
Type:  Double Triode   Audio Frequency 
  <1925 très rare
Identique à 306P_A-P
Similaires
Différent culot :
  306A_A-P

Culot UV199 Connexion latérale.
Utilisé par Radio/TV-reception etc.
Chauffage Vf 3 Volt / If 0.06 Ampère / Direct / Battery =
Description

This tube is of the "Two in One" style made by A-P but designed by their employee, Henry K Huppert. The anodes and grids are connected to the normal base positions but the filament is centre tapped with a soldered connection for this at the rim of the base shell

 
Bibliographie - - Manufacturers Literature   1923 Sales Brochure

a_p_uv199_2_in_1.png 306P_A-P: Fin Stewart
Fin Stewart


Just Qvigstad
 

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