Antique radios, Old Time Radios

57

ID = 2681

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond. Common type USA tube/semicond. Osram (tubes/valves) - see British General Electrics; Sydney Philips Australia Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC Brimar (STC); Foots Cray Arcturus Radio Tube Co.; Newark, NJ Lafayette Radio & TV Corp; New York (NY) Raytheon Mfg. Co.; Cambridge, MA Sparton-Cardon Tubes; Jackson MI Sylvania (Hygrade, GTE, Nilco); Emporium (PA) Triad Television & Mfg. Co.; Pawtucket, RI
Developer:	RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:	Vacuum Pentode RF/IF-Stage

Identical to

57 = UZ-57 = A257 = VT-57 = W2161 = PH57 = PH257 = ER57 = VT155_GPO = CV1704 = T-57 = NU-57

Similar Tubes

Other shape (e.g. bulb type):

G-57-S ; M57

Normally replaceable-slightly different:

38057 ; 57E ; C57 ; F57

Other class quality (otherwise equal):

57S ; CV612 ; NU-57S

Heater different:

Other base:

57_Coronet ; RJ571

Other base and other heater:

6D7

First year

Aug.1931 70 Years of Radiotubes and V.

Predecessor Tubes

24A

Successor Tubes

77 6J7 6C6 6D7

Base

6-Pin-Base U6A, old, USA (Codex=Kf) Top contact with a cap.

Was used by

Radio/TV-reception etc.

Filament

Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

Dimensions (WHD)
incl. pins / tip

x 123 x 39 mm / x 4.84 x 1.54 inch

Weight

42 g / 1.48 oz

Tube prices

2 Tube prices (visible for members only)

Information source

Essential Characteristics, GE 1973
Tube Lore (II) p. 28
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

57: Courtesy Bureau Belper (De Muiderkring, Bussum) Anonymous 10 Collector
57: Telefunken Werkstattbuch Wolfgang Bauer More ...	Just Qvigstad	57: Sylvania Technical Manual Peter Hoddow More ...

Usage in Models

3= 1931? ; 6= 1931 ; 34= 1932?? ; 110= 1932? ; 490= 1932 ; 57= 1933?? ; 81= 1933? ; 525= 1933 ; 48= 1934?? ; 54= 1934? ; 172= 1934 ; 34= 1935?? ; 25= 1935? ; 55= 1935 ; 18= 1936?? ; 27= 1936? ; 21= 1936 ; 3= 1937?? ; 1= 1937? ; 4= 1937 ; 3= 1938?? ; 2= 1938? ; 3= 1938 ; 4= 1939? ; 1= 1939 ; 4= 1940?? ; 1= 1940 ; 1= 1941?? ; 6= 1941? ; 1= 1942? ; 2= 1943?? ; 3= 1947?? ; 1= 1948?? ; 1= 1949?? ; 1= 9999? ; 6= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1808

Collection of

Variants

Metal coated cylindrical glass version. Complete name: M57. The letter "M" appears only on the boxes and enclosed paperwork, not on the tubes. Please klick here: M57

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]

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57

Common type USA tube/semicond.

Collection of

Variants