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58A

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ID = 9647
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Majestic tubes of Grigsby-Grunow 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 58A
Similar Tubes
Other shape (e.g. bulb type):
  58AS ; G-58A-S
Normally replaceable-slightly different:
  6D6
Predecessor Tubes 58  

Base 6-Pin-Base U6A, old, USA (Codex=Kf)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Parallel, (AC/DC)
Description 6.3V heater variant of 58 
Literature Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore   
 

Usage in Models 1= 1932?

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

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