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6A4/LA

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ID = 4543
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   Power/Output 
Identical to 6A4/LA = 6A4 = LA
Similar Tubes
Normally replaceable-slightly different:
  KR5

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Direct / Specified voltage AND current AC/DC
Dimensions (WHD)
incl. pins / tip
x 119 x 45 mm / x 4.69 x 1.77 inch
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 46
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

172_1.png 6A4/LA: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
6a4la.png
6A4/LA: Raytheon Databook 1937
Emilio Ciardiello

Usage in Models 1= 1947??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Collection of a member from D
Collection of a member from CH
 
rca_6a4la_2.jpg

6A4/LA
 

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