Antique radios, Old Time Radios
5820
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| Identical to |
5820
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| Similar
Tubes |
Other class quality (otherwise equal):
7293
Other characteristic (electr. data):
6474
; 7294
|
| First Source
(s) |
18.Jul.1949 : Electron Tube Registration List 767
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| Base |
Diheptal (14 pin glass U14)
Side contacts.
|
| Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC |
| Description |
3" image orthicon for outdoors use; 1650V anode voltage.
English Electric, GE, Philips, RCA, Sylvania, Westinghouse known manufacturers.
English Electric Valve Co literature notes that this was the first Orthicon manufactured by the Company. It is stated that acceptable pictures can be obtained at f5.6 with a scene brightness of 15ft-lamberts (= 50 cd/m2), making it suitable for outside or studio use.
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Dimensions (WHD)
incl. pins / tip |
78 x 393 x mm / 3.07 x 15.47 x inch |
| Information source |
- - Manufacturers Literature EE Brochure 1962
Tube Lore (I)
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5820: my collection
Giuseppe Antonio Tusini
More ...
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5820: my collection
Giuseppe Antonio Tusini
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Just Qvigstad
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5820: my collection
Giuseppe Antonio Tusini
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
Collection of a member from D |
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