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EF41

Information - Help 
ID = 719
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF41 = 6CJ5 = HF61 = W150 = 7F16
Similar Tubes
Normally replaceable-slightly different:
  62VP
Other base:
  6BH5 ; 6F16 ; EF22 ; W143 ; W147
First year 1947 Tube leaflet collection E.Erb
First Source (s)
Mar.1947 : Daten und Schaltungen moderner ... Röhren; Philips # 3A
Dec.1947 : Funk-Technik (FT) # 24
Predecessor Tubes EF9   EF22   6M7MG   EF11  
Successor Tubes 1951   EF89  

Base Rimlock base B8A (Codex=Wh)
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Dimensions (WHD)
incl. pins / tip
22 x 60 x mm / 0.87 x 2.36 x inch
Tube prices 9 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  ef41.png
  EF41: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
roehre_ef41.jpg
EF41: J.K.
Jürgen Küting

 
ri3.png
EF41: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ef41_spec.png
EF41: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 10= 1948?? ; 5= 1948? ; 5= 1948 ; 11= 1949?? ; 17= 1949? ; 73= 1949 ; 86= 1950?? ; 47= 1950? ; 211= 1950 ; 28= 1951?? ; 64= 1951? ; 372= 1951 ; 47= 1952?? ; 89= 1952? ; 329= 1952 ; 60= 1953?? ; 73= 1953? ; 344= 1953 ; 33= 1954?? ; 57= 1954? ; 213= 1954 ; 43= 1955?? ; 36= 1955? ; 113= 1955 ; 7= 1956?? ; 21= 1956? ; 47= 1956 ; 9= 1957?? ; 6= 1957? ; 29= 1957 ; 4= 1958?? ; 9= 1958? ; 10= 1958 ; 1= 1959?? ; 1= 1959? ; 3= 1959 ; 6= 1960?? ; 2= 1960 ; 1= 1962 ; 15= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2537



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