Antique radios, Old Time Radios
715B
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Country:
United States of America (USA)
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| Identical to |
715B
= CV2655
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| Similar
Tubes |
Normally replaceable-slightly different:
CV398
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| Predecessor Tubes |
715A
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Successor Tubes
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715C
5D21
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| Base |
Top contact with a cap.
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| Was used by |
Radar |
| Filament |
Vf 26.5 Volts / If 2.1 Ampere / Half indirect |
| Description |
Pulse amplifier tetrode for airborne radar modulators: 15KV, 15A peak. Quad in-line cathode inside a single electrode structure; gold-plated grids, Mo-Zr plate. Similar to 715A, with larger grid radiating fins and improved ratings. Heaters designed to operate directly from the aircraft storage battery, 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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715B: Manufacturer's Literature
Emilio Ciardiello
More ...
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715B: STC Tube Databook 1958
Aldo Patriarca
More ...
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