Antique radios, Old Time Radios
715A
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Country:
United States of America (USA)
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| Identical to |
715A
= CV2654
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| Predecessor Tubes |
701A
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Successor Tubes
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715B
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| Base |
Medium 4-pin, ceramic disc
Top contact with a cap.
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| Was used by |
Radar |
| Filament |
Vf 27 Volts / If 2.15 Ampere / Half indirect |
| Description |
Pulse amplifier tetrode for airborne radar modulators: 14KV, 10A peak. Derived from 701A, moving the four cathodes side by side, inside a single electrode structure; gold-plated grids, Mo-Zr plate. Top and bottom radiating fins on the vertical rods supporting both grids. Heaters, designed to operate directly from the 24 V aircraft storage battery, were specified for supply voltage between 22 and 28.5 volts.
4-pin base, jumbo-like, from a notched ceramic wafer.
Made by Raytheon, RCA, STC, WE.
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Dimensions (WHD)
incl. pins / tip |
64 x 150 x mm / 2.52 x 5.91 x inch |
| Information source |
Tube Lore (I)
-- Original-techn. papers.
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715A: Manufacturer's Literature
Emilio Ciardiello
More ...
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Just Qvigstad
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715A: Bell System Technical journal october 1947
Patrice Zeissloff
More ...
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