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4D1_Loewe

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ID = 6513
       
Country:
Germany
Brand: Loewe-(Opta); Deutschland
Tube type:  Double Diode 
Identical to 4D1_Loewe = AB2
First year 1937 Handbuch WDRG 1937 Analysis by original leaflets
First Source (s)
Jul.1936 : - - Manufacturers Literature Preisliste
Successor Tubes NR55   AR7  

Base Europe side contact, small P5 (Au V, 5E) (Codex=Gd)
Filament Vf 4 Volts / If 0.65 Ampere / Indirect
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

23_3.png 4D1_Loewe: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1937

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

Collection of

 
d_loewe_4d1.jpg

 

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