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VT-137

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ID = 17382
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to VT-137 = 1626 = CV1755
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Filament Vf 12.6 Volts / If 0.25 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
vt137_im.jpg
VT-137: IM
Iven Müller

 
vt137_so.png
VT-137: ARRL Handbook 1972
Michael Schlör

 


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