Antique radios, Old Time Radios
4441
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Country:
United States of America (USA)
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| Identical to |
4441
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| Similar
Tubes |
Other class quality (otherwise equal):
4441A
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| Filament |
--/-- |
| Description |
Ten-stage, ruggedized, flat-faced type having S-11 response. Wavelength of maximum response is 440 +/- 500 angstroms. Makes use of cesium-antimony dynodes and a flat-circular, cesium-antimony, semi-transparent photocathode. Window material is Corning No. 0080 lime glass or equivalent. This type has a special photocathode connection which assures continuous contact under severe operating conditions.
Identical to 4438 except for capacitance differences and outline.
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Dimensions (WHD)
incl. pins / tip |
40 x 81 x mm / 1.57 x 3.19 x inch |
| Weight |
85 g / 3.00 oz |
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