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 Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC 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 = ER55 = 255 = NU-55 = G-55

Similar Tubes

Other shape (e.g. bulb type):

55S ; G-55-S

Normally replaceable-slightly different:

E413

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 / Specified voltage 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: Telefunken Werkstattbuch Wolfgang Bauer	Just Qvigstad	55: Sylvania Technical Manual Peter Hoddow More ...

Usage in Models

8= 1932?? ; 35= 1932? ; 192= 1932 ; 22= 1933?? ; 21= 1933? ; 190= 1933 ; 8= 1934?? ; 24= 1934? ; 63= 1934 ; 7= 1935?? ; 10= 1935? ; 21= 1935 ; 2= 1936?? ; 4= 1936? ; 6= 1936 ; 1= 1938?? ; 1= 1940?? ; 2= 1941? ; 1= 1942? ; 1= 1942 ; 2= 1945? ; 1= 1947?? ; 1= 1948?? ; 1= 9999?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):624

Collection of

George Papaiz (CDN)

Aldo Patriarca (CH)

Christian Schaufelberger (CH)

Peter Steffen (CH)

Patrice Zeissloff (F)

Jorge Tavares (F)

Jean-Jacques Pontigny (F)

Konrad Birkner † 12.08.2014 (D)

Klaus Rüdiger (D)

Trev Levick (D)

Ottmar Rollmann (D)

Variants

Röhre von Arcturus mit blauem Glas.

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