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3LF4

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ID = 4393
       
Country:
United States of America (USA)
Brand:
Tube type:  Vacuum Pentode   beam power   Power/Output 
Identical to 3LF4 = VT-180

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wzb)
Filament Vf 2.8 Volts / If 0.05 Ampere / Direct
Description Centre-tapped filament, for operation at 2.8V 50mA or 1.4V 100mA. 
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature

3lf4.png
3LF4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

356_2.png 3LF4: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
3lf4_techdat01.png
3LF4: Sylvania Technical Manual
Peter Hoddow

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Usage in Models 5= 1946 ; 6= 1947 ; 1= 1948? ; 6= 1948 ; 2= 1949 ; 1= 1951??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21

Collection of

 
sylvania_3lf4_front.jpg

3LF4
 

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