Antique radios, Old Time Radios

1U4

ID = 2627

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond. Common type USA tube/semicond. Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Identical to

1U4 = DT153 = 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)

Filament

Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =

Tube prices

6 Tube prices (visible for members only)

Information source

Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49

1U4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †
1U4: Prüfkarte Röhrenprüfgerät W 18N Jörg Kulbe	Just Qvigstad	1U4: Valvulas de recepción manual RC-20 Miguel Angel Trujillo-Rodriguez More ...

Usage in Models

1= 1941? ; 2= 1946? ; 7= 1946 ; 1= 1947?? ; 6= 1947? ; 38= 1947 ; 5= 1948?? ; 24= 1948? ; 60= 1948 ; 4= 1949?? ; 9= 1949? ; 62= 1949 ; 23= 1950?? ; 24= 1950? ; 75= 1950 ; 12= 1951?? ; 16= 1951? ; 55= 1951 ; 8= 1952?? ; 31= 1952? ; 47= 1952 ; 3= 1953?? ; 55= 1953? ; 81= 1953 ; 7= 1954?? ; 80= 1954? ; 56= 1954 ; 21= 1955?? ; 95= 1955? ; 53= 1955 ; 5= 1956?? ; 63= 1956? ; 63= 1956 ; 2= 1957?? ; 73= 1957? ; 22= 1957 ; 4= 1958?? ; 8= 1958? ; 16= 1958 ; 2= 1959? ; 38= 1959 ; 1= 1960?? ; 7= 1960 ; 1= 1961? ; 1= 1965?? ; 1= 1968? ; 1= 9999? ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1272

Collection of

1U4

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1U4

Common type USA tube/semicond.

Collection of