Antique radios, Old Time Radios
7746
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Country:
United States of America (USA)
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| Identical to |
7746
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| Filament |
--/-- |
| Description |
Ten-stage, head-on, spherical-faceplate type having S-11 response. Wavelength of maximum spectral response is 4400 +/- 500 angstroms. Makes use of copper-beryllium dynodes and a spherical-circular, cesium-antimony, semi-transparent photocathode. Window material is Corning No. 0080 lime glass or equivalent. Has a non-hygroscopic base. Has very short time resolution.
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Dimensions (WHD)
incl. pins / tip |
59 x 155 x mm / 2.32 x 6.10 x inch |
| Weight |
170 g / 6.00 oz |
| Information source |
- - Manufacturers Literature RCA Phototubes and Photocells PT-60
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