Antique radios, Old Time Radios
F331A
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Country:
United States of America (USA)
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| Identical to |
F331A
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| Similar
Tubes |
Normally replaceable-slightly different:
861
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| Base |
Pin-and-blade jumbo (3 contacts)
Sidecontact and top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Direct |
Dimensions (WHD)
incl. pins / tip |
x 435 x 252 mm / x 17.13 x 9.92 inch |
| Information source |
Tube Lore (II) p.78 & 154
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F331A: Fin Stewart
Fin Stewart
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Just Qvigstad
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| Data Compliance |
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