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VR91A

Information - Help 
ID = 10397
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VR91A = CV1578 = 10E/287
Similar Tubes
Normally replaceable-slightly different:
  EF50 ; VR91

Base Loctal-9-Pin (B9G) (Codex=Y)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Literature Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
 
vr91a_sylvania_rmf.jpg
VR91A: My Collection
Bruce Morgenstern

 
ef50_1.png
VR91A: Manufacturer's Literature
Emilio Ciardiello

 
cv1578vr91a_1.png
VR91A: Manufacturer's Literature
Emilio Ciardiello



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