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VT-229

Information - Help 
ID = 15028
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   Audio Frequency 
Identical to VT-229 = 6SL7GT

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
vt229~~1.jpg
VT-229: P.ST
Peter Steffen

 
s_295_g.gif
VT-229: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

 

from Just Qvigstad

Usage in Models 1= 1943? ; 1= 1947?? ; 1= 1948?

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


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