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UL41

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ID = 770
       
Country:  Europe      Brand: Common type Europe tube/semicond.
  Tube type:  Vacuum Pentode   Power/Output 
Identical to UL41 = 45A5 = BF451_Mazda-F = N142 = 451PT = MUL41
Similar Tubes Other base:
 UL11
Other base and other heater:
 PL82
Multiple differences or of other kind:
 UL1
First year   1947 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Oct.1947 : Funkschau (FS) Heft 10; 1947
Sep.1946 : Daten und Schaltungen moderner ... Röhren; Philips # 3a
Predecessor Tubes CL4   UL2_Valvo   UL11  
Successor Tubes 1955 UL84  

Base Rimlock base B8A (Codex=Wh)
Filament Vf 45 Volts / If 0.1 Ampere / Indirect / Series, AC/DC /
Dimensions (WHD)
incl. pins / tip
22 x 76 x mm / 0.87 x 2.99 x inch
Tube prices 6 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  ul41.png
  UL41: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
ul41_292r.jpg
UL41: Collection JR
Jacob Roschy

 
Variants
 
ul41_so.png
UL41: rtt
Michael Schlör

 
ul41_techdat01.png
UL41: Telefunken Handb. d. Rundfunkröhren
Peter Hoddow


Usage in Models 3= 1947?? ; 1= 1947? ; 24= 1947 ; 19= 1948?? ; 9= 1948? ; 44= 1948 ; 17= 1949?? ; 16= 1949? ; 170= 1949 ; 117= 1950?? ; 45= 1950? ; 219= 1950 ; 18= 1951?? ; 54= 1951? ; 243= 1951 ; 51= 1952?? ; 55= 1952? ; 208= 1952 ; 36= 1953?? ; 46= 1953? ; 167= 1953 ; 30= 1954?? ; 24= 1954? ; 169= 1954 ; 52= 1955?? ; 36= 1955? ; 155= 1955 ; 20= 1956?? ; 16= 1956? ; 87= 1956 ; 10= 1957?? ; 17= 1957? ; 37= 1957 ; 10= 1958?? ; 6= 1958? ; 27= 1958 ; 2= 1959?? ; 1= 1959? ; 5= 1959 ; 12= 1960?? ; 1= 1960? ; 4= 1960 ; 1= 1961?? ; 2= 1961 ; 1= 1962?? ; 1= 1962? ; 3= 1962 ; 2= 1963? ; 1= 1965?? ; 2= 9999?? ; 6= 9999
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2302

UL41*Box

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Ottmar Rollmann

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