Antique radios, Old Time Radios

UAF42

Country:	Europe		Brand:	Common type Europe
			Tube type:	Diode-Pentode RF/IF-Stage Controlling (mu)

Tube ID = 333


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Identical to	UAF42 = 12S7 = WD142
Similar Tubes	Different connections: UAF41 Multiple differences or of other kind: UAF21
First Series	1948 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Sep.1948 : Daten und Schaltungen moderner ... Röhren; Philips # 3A Dec.1948 : Funk-Technik (FT) # 24
Predecessor Tubes	UBF11 UAF41
Successor Tubes	1950 UBF80

Base	Rimlock base B8A
Was used by	Radio/TV-reception etc.
Filament	Vf 12.6 Volts / If: 0.1 Ampere / -: Indirect / -: Parallel / series AC/DC /
Dimensions (WHD)	22 x 60 x mm / 0.87 x 2.36 x inch
Tube prices	0 Tube prices (visible for members only)


	U.G. Urs Gloor

H.S.
Heinz Schmidt

g.h.
Gerhard Heigl

Lorenz Empfänger - Röhren
Michael Sigmund

Usage in Models (calculation each 25th of the month)

1= 1947?? ; 7= 1948?? ; 3= 1948? ; 20= 1948 ; 3= 1949?? ; 4= 1949? ; 104= 1949 ; 27= 1950?? ; 21= 1950? ; 144= 1950 ; 2= 1951?? ; 17= 1951? ; 122= 1951 ; 8= 1952?? ; 7= 1952? ; 74= 1952 ; 5= 1953?? ; 5= 1953? ; 28= 1953 ; 2= 1954? ; 38= 1954 ; 8= 1955?? ; 2= 1955? ; 12= 1955 ; 3= 1956?? ; 1= 1956? ; 4= 1956 ; 1= 1957? ; 4= 1957 ; 3= 1958?? ; 2= 1958? ; 4= 1958 ; 1= 1959?? ; 6= 1960?? ; 1= 1960 ; 1= 1961?? ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 697

Further Information for

UAF42

UAF42 (UAF42) (21.08.2006) Gerhard Heigl	Clicks: 476 Replies: 1
Als Vorgängertype wird u. a. die UAF21 genannt. Dies ist nicht ganz richtig, weil die UAF21 erst ab 1949 (vermutlich Herbst) von Tungsram erzeugt wurde (Quelle: Radio Technik 1949, Heft 9 und 11). Ing. Ratheiser nennt sie als Vergleichstype. More ...

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