1U4, Tube 1U4; Röhre 1U4 (1U4)

Antique radios, Old Time Radios

1U4

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Tube ID = 2627


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Identical to	1U4 = DF904
Similar Tubes	Normally replaceable-slightly different: 5910
First Source (s)	Aug.1945 : Electron Tube Registration List

Base	Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zoo)
Was used by	Radio/TV-reception etc.
Filament	Vf 1.4 Volts / If: 0.05 Ampere / -: Direct / -: Battery = /
Tube prices	2 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

MS
Martin Steyer

Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

Valvulas de recepción manual RC-20
Miguel Angel Trujillo-Rodriguez

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

5= 1946 ; 3= 1947?? ; 4= 1947? ; 27= 1947 ; 4= 1948?? ; 3= 1948? ; 60= 1948 ; 1= 1949?? ; 1= 1949? ; 63= 1949 ; 19= 1950?? ; 18= 1950? ; 66= 1950 ; 12= 1951?? ; 8= 1951? ; 24= 1951 ; 5= 1952?? ; 21= 1952? ; 49= 1952 ; 4= 1953?? ; 44= 1953? ; 65= 1953 ; 4= 1954?? ; 73= 1954? ; 47= 1954 ; 17= 1955?? ; 79= 1955? ; 41= 1955 ; 1= 1956?? ; 55= 1956? ; 43= 1956 ; 2= 1957?? ; 45= 1957? ; 8= 1957 ; 1= 1958?? ; 2= 1958? ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 984

No further Information for

1U4

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