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L49B

Information - Help 
ID = 18231
       
Country:
United States of America (USA)
Brand: Emerson Radio & Phonograph Corp.; New York, NY
Tube type:  Current Regulator, Urdox with FeH   Power-supply 
Identical to L49B = 2UR-224

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ud)
Filament
Description used in 110V AC-DC Sets 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
33 x 80 x 33 mm / 1.30 x 3.15 x 1.30 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   
Ballast Tube Handbook, The   
 
us_l49b.jpg
L49B: W.E.
Wolfgang Eckardt

 
l49b_sock.png
L49B: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 

from Just Qvigstad

Usage in Models 3= 1935? ; 3= 1936?? ; 3= 1936? ; 3= 1936 ; 4= 1937? ; 22= 1937 ; 3= 1938?? ; 3= 1938? ; 25= 1938 ; 12= 1939?? ; 14= 1939? ; 12= 1939 ; 3= 1940?? ; 8= 1940? ; 1= 1940 ; 2= 1941? ; 5= 1942?? ; 7= 1942? ; 1= 1946?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):134


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