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UF40

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ID = 86607
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   Audio Frequency 
  Late but very rare. ***
Identical to UF40
Similar Tubes
Heater different:
  EF40

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Röhren-Handbuch, Ratheiser, 1955   

ri14~~1.png UF40: RTT 1974 (Franzis) 13. Auflage
Martin Renz


Just Qvigstad
uf40_characteristics.png
UF40: My schematic collection.
Pier Antonio Aluffi

 

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