Antique radios, Old Time Radios
7265
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| Tube type: |
Photomultiplier |
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| Identical to |
7265
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| Base |
Bidecal
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| Was used by |
Technology / Measurement |
| Filament |
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| Description |
Fourteen-stage, head-on, flat-faceplate type having S-20 response. Wavelength of maximum spectral response is 4200 +/- 500 angstroms. Makes use of copper-beryllium dynodes, and a curved-circular, semi-transparent, antimony-potassium-sodium-cesium photocathode. Window material is Corning No. 0080 lime glass or equivalent. Has a non-hygroscopic base.
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Dimensions (WHD)
incl. pins / tip |
60 x 191 x mm / 2.36 x 7.52 x inch |
| Weight |
227 g / 8.01 oz |
| Information source |
- - Manufacturers Literature RCA Phototubes and Photocells PT-60
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Just Qvigstad
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Collection of
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