Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 4393
United States of America (USA)
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: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

356_2.png 3LF4: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
3LF4: Sylvania Technical Manual
Peter Hoddow

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

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

Collection of



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]

Data Compliance More Information