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EF71

Information - Help 
ID = 19285
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   Controlling (mu) 
Identical to EF71 = 5900
Similar Tubes
Normally replaceable-slightly different:
  5899 ; CV475 ; CV477 ; EF731
Different connections:
  6206
First Source (s)
Apr.1953 : Radio-Mentor # 4
Mar.1955 : Funkschau # 6

Base Subminiatur-8, with space 1/8, B8D
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Description gm = 4.5mA/V 
Text in other languages (may differ)
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
 
ef71_1.jpg
EF71: EP
Egon Penker

 
ef71_so.png
EF71: rtt
Michael Schlör

 
ef71_001.png
EF71: Manufacturer's Literature
Emilio Ciardiello


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