Antique radios, Old Time Radios
4B28
| Base |
Edison giant, E40 = 40 mm-Goliat
Top contact with a cap.
|
| Was used by |
Industrial |
| Filament |
Vf 2.2 Volts / If 17 Ampere / Direct |
| Description |
"Tungar" bulb. 75V @ 5A; 125V @ 0.25A
Registered to GE on Jan 5, 1943
6 amp battery charger tube used for radio, automotive and industrial purposes
|
Dimensions (WHD)
incl. pins / tip |
80 x 163 x mm / 3.15 x 6.42 x inch |
| Weight |
105 g / 3.70 oz |
| Information source |
-- Collector info (Sammler) The Automobile Storage Battery, 1930
Tube Lore (II) p. 86
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4B28: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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4B28: Manufacturer's Literature
Emilio Ciardiello
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