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UBL71

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ID = 1414
       
 
   
Tube type:  Double Diode-Pentode   Power/Output 
Identical to UBL71 = UBL21
First year 1950 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jan.1950 : Radio-Mentor # 3
Mar.1950 : Funk-Technik (FT) # 5

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 55 Volts / If 0.1 Ampere / Indirect / Series, AC/DC
Tube prices 1 Tube prices (visible for members only)
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
  ubl71.png
  UBL71: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ubl71_044r.jpg
UBL71: Collection JR
Jacob Roschy

 
ubl71_so.png
UBL71: rtt
Michael Schlör

 
ubl71.png
UBL71: Lorenz Empfänger - Röhren
Anonymous 54 Collector


Usage in Models 1= 1950? ; 9= 1950 ; 2= 1951

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12


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