Antique radios, Old Time Radios
51_Coronet
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Country:
United States of America (USA)
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| Identical to |
51_Coronet
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| Similar
Tubes |
Other base:
35
; 435
; 51
; 551
; UY235
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC |
| Description |
The Arcturus "Coronet" metal/glass type 51 tube is unusual in that it employs a glass disc instead of a conventional "pinch" for introducing the lead-in wires into the glass bulb. The disc has the wires in a circular formation. The base is octal but an adaptor was sold with the tube to enable it to fit into the normal 5 pin UY socket. The adaptor is 37 mm long, including pins, and is 30 mm diameter
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Dimensions (WHD)
incl. pins / tip |
x 82 x 32 mm / x 3.23 x 1.26 inch |
| Weight |
46 g / 1.62 oz |
| Information source |
70 Years of Radiotubes and V. Pages 99 & 100
-- Collector info (Sammler)
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Just Qvigstad
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Collection of
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