Antique radios, Old Time Radios
4B30
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Country:
United States of America (USA)
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| Identical to |
4B30
= CV934
= 8023_USA
= 15R
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| Base |
SPECIAL TUBEBASE in general
Top contact with a cap.
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| Was used by |
Radar |
| Filament |
Vf 5 Volts / If 4 Ampere / Direct |
| Description |
HV rectifier; gridless 15E, all glass. 20KV PIV, 30mA.
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
35 x 69 x 59 mm / 1.38 x 2.72 x 2.32 inch |
| Weight |
25 g / 0.88 oz |
| Information source |
Tube Lore (I)
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p. 34
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4B30
Emilio Ciardiello
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