Antique radios, Old Time Radios
388A
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Country:
United States of America (USA)
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| Identical to |
388A
= CV2637
= D-156548
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| Similar
Tubes |
Normally replaceable-slightly different:
D-159769
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| Base |
TRANSMITTING & Power-TUBES/VALVES in gen
2 Top contacts.
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| Was used by |
Radar |
| Filament |
Vf 1.5 Volts / If 9.25 Ampere / Direct |
| Description |
UHF triode, 50W anode dissipation, mu 6. Oscillates up to 900MHz.
Graphite anode, grid cooling fin. Grid and plate are supported by wires that run straight through the tube envelope: this geometry made it possible to mount the tube itself at the center of a half-wave resonating line.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
-- Original-techn. papers.
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388A: Manufacturer's Literature
Emilio Ciardiello
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388A: Manufacturer's Literature
Emilio Ciardiello
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