Antique radios, Old Time Radios
7850
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Country:
United States of America (USA)
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| Identical to |
7850
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| Filament |
--/-- |
| Description |
Twelve-stage, head-on, spherical-faceplate type having S-11 response with extremely short rise time. Wavelength of maximum spectral response is 4400 +/- 500 angstroms. Makes use of copper-beryllium dynodes and a semi-transparent photocathode. Window material is Corning No. 0080 lime glass or equivalent.
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Dimensions (WHD)
incl. pins / tip |
52 x 160 x mm / 2.05 x 6.30 x inch |
| Weight |
198 g / 6.98 oz |
| Information source |
- - Manufacturers Literature RCA Phototubes and Photocells PT-60
- - Manufacturers Literature RCA May 1961
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