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2A3H

Information - Help 
ID = 15147
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Power/Output 
Identical to 2A3H
Similar Tubes
Normally replaceable-slightly different:
  2A3

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bn)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 2.8 Ampere / Half indirect
Description

Indirect heated cathode version of 2A3, sometimes confused with it.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   

437.png 2A3H: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
2a3_2a3h_1.png
2A3H: Raytheon Databook 1937
Emilio Ciardiello

More ...
Usage in Models 3= 1933 ; 2= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

 
2a3h.jpg

2A3H
 

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