Antique radios, Old Time Radios
55
Country:
United States of America (USA)
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Brand:
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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)
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Developer: |
RCA (RCA Victor Co. Inc.); New York (NY) |
Tube type: |
Double Diode-Triode Audio Frequency |
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Identical to |
55
= UZ-55
= A255
= CV2537
= PH55
= 255
= ER55
= G-55
= NU-55
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Similar
Tubes |
Other shape (e.g. bulb type):
55S
; G-55-S
Other class quality (otherwise equal):
NU-55S
Heater different:
85
Other base and other heater:
6C7
; 6V7G
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First year |
1931
Radios von gestern, 2. Auflage
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First Source
(s) |
Sep.1932 : -- Collector info (Sammler)
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Successor Tubes
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85
6C7
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Variants
Röhre von Arcturus mit blauem Glas.
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