UAF 42, Tube UAF42; Röhre UAF 42 (UAF42)

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	UAF41 (different connections) UAF21 (Multiple differences or of other kind)
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	-: Indirect / -: Parallel / series AC/DC / If: 0.1 Ampere / Vf 12.6 Volts /
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

1= 1947?? ; 6= 1948?? ; 2= 1948? ; 20= 1948 ; 2= 1949?? ; 5= 1949? ; 96= 1949 ; 22= 1950?? ; 15= 1950? ; 137= 1950 ; 2= 1951?? ; 16= 1951? ; 104= 1951 ; 7= 1952?? ; 5= 1952? ; 66= 1952 ; 4= 1953?? ; 4= 1953? ; 23= 1953 ; 2= 1954? ; 27= 1954 ; 6= 1955?? ; 2= 1955? ; 9= 1955 ; 1= 1956?? ; 1= 1956? ; 2= 1956 ; 2= 1957? ; 3= 1957 ; 3= 1958?? ; 2= 1958? ; 4= 1958 ; 1= 1959?? ; 5= 1960?? ; 1= 1960 ; 1= 1961?? ;

Number of Models with this tube 611

Further Information for

UAF42

UAF42 (UAF42) (21.08.2006) Gerhard Heigl	Clicks: 318 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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