Antique radios, Old Time Radios
7293
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| Identical to |
7293
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| Similar
Tubes |
Other class quality (otherwise equal):
5820
Different maximum ratings:
6474
Other characteristic (electr. data):
7294
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| Base |
Diheptal (14 pin glass U14)
Side contacts.
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| Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC |
| Description |
3" image orthicon, interchangeable with the 5820 it has an additional electrode to reduce distortion.
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
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