Antique radios, Old Time Radios
CV644
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Country:
Worldwide
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| Identical to |
CV644
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| Similar
Tubes |
Normally replaceable-slightly different:
875
; 875A
; 875_Versch
|
| Base |
Jumbo 4-pin bayonet (1918)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 5 Volts / If 10 Ampere / Direct |
| Description |
Jumbo 4-pin base.
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Dimensions (WHD)
incl. pins / tip |
x 250 x 90 mm / x 9.84 x 3.54 inch |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 266 & 267
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p. 33
-- Original-techn. papers.
Taschenbuch zum Röhren-Codex 1948/49
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CV644: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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