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EF73

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ID = 19287
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Vacuum Pentode 
Identical to EF73
Similar Tubes
Normally replaceable-slightly different:
  6488 ; CV466 ; VX8046
First Source (s)
Mar.1950 : Radio-Mentor # 3
Mar.1955 : Funkschau # 6

Base Subminiatur-8, with space 1/8, B8D
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description S = 5.25 mA/V, Leistungspentode (NF bzw. industrielle Elektronik) 
Dimensions (WHD)
incl. pins / tip
10 x 38 x 10 mm / 0.39 x 1.50 x 0.39 inch
Tube prices 2 Tube prices (visible for members only)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   Funkschau

ef73.png EF73: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

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Just Qvigstad
ef73.png
EF73: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

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