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6B4

Information - Help 
ID = 15255
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Power/Output 
Identical to 6B4 = 6B4G

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uo)
Filament Vf 6.3 Volts / If 1 Ampere / Parallel, (AC/DC)
Description

There is no metal tube 6B4, see under 6B4G

 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  6b4.png
  6B4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
320_5.png
6B4: Telefunken Werkstattbuch
Wolfgang Bauer

 
6b4_dat.png
6B4: elektron taschenbuch 1952
Heinz Höger


from Just Qvigstad

Usage in Models 1= 1937? ; 1= 1946?? ; 1= 1946

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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