Antique radios, Old Time Radios

55

ID = 2972

Country:

United States of America (USA)

Brand:

Common type USA tube/semicond.

Common type USA tube/semicond. Genalex, BGE (brand), British General Electric Co. Pty Ltd.; Sydney, NSW. Osram (tubes/valves) - see British General Electrics; Sydney Purotron, Raga AG; Zürich Mazda (tubes), Mazda-Belvu, Compagnie des Lampes; Paris Ajax - (Alladin Tube Co); New York, NY Arcturus Radio Tube Co.; Newark, NJ Champion Radio Works; Danvers, Massachusetts Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY Raytheon Mfg. Co.; Cambridge, MA RCA (RCA Victor Co. Inc.); New York (NY) Sonatron Tube Company; Chicago and New York Sylvania (Hygrade, GTE, Nilco); Emporium (PA) Triad Television & Mfg. Co.; Pawtucket, RI Tung-Sol Electric Inc.; Newark (NJ)

Tube type:

Double Diode-Triode Audio Frequency

Identical to

55 = UZ-55 = A255 = CV2537 = PH55 = 255 = NU-55 = ER55 = G-55

Similar Tubes

Other shape (e.g. bulb type):

55S ; G-55-S

Other class quality (otherwise equal):

NU-55S

Heater different:

Other base and other heater:

6C7 ; 6V7G

First year

1931 Radios von gestern, 2. Auflage

First Source (s)

Sep.1932 : -- Collector info (Sammler)

Successor Tubes

85 6C7

Base	6-Pin-Base U6A, old, USA (Codex=Ka)
Filament	Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Tube prices	1 Tube prices (visible for members only)
Information source	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	55: Internet Miguel Angel Trujillo-Rodriguez

55: 1931
Tor Steinnes

55: Telefunken Werkstattbuch
Wolfgang Bauer

55: Sylvania Technical Manual
Peter Hoddow

from Just Qvigstad

Usage in Models

8= 1932?? ; 35= 1932? ; 190= 1932 ; 22= 1933?? ; 20= 1933? ; 186= 1933 ; 8= 1934?? ; 23= 1934? ; 61= 1934 ; 7= 1935?? ; 10= 1935? ; 20= 1935 ; 2= 1936?? ; 4= 1936? ; 6= 1936 ; 2= 1937 ; 1= 1938?? ; 1= 1940?? ; 2= 1941? ; 1= 1942? ; 1= 1942 ; 2= 1945? ; 1= 1947?? ; 1= 1948?? ; 1= 1962? ; 1= 9999?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):616

Collection of Konrad Birkner † 12.08.2014 (D)

Collection of Christian Schaufelberger (CH)

Collection of Trev Levick (D)

Collection of Patrice Zeissloff (F)

Collection of Peter Steffen (CH)

Collection of Aldo Patriarca (CH)

Collection of Ottmar Rollmann (D)

Collection of Francisc VISKY (RO)

Collection of George Papaiz (CDN)

Collection of Klaus Rüdiger (D)

Collection of Antonio Marra (I)

Collection of Jean-Jacques Pontigny (F)

Collection of Jorge Tavares (F)

Collection of Tor Steinnes (N)

Collection of Benedetto Pirani (I)

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