Antique radios, Old Time Radios
NU-300
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Country:
United States of America (USA)
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| Identical to |
NU-300
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| Similar
Tubes |
Normally replaceable-slightly different:
HF300
; KU23
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| Base |
Jumbo 4-pin bayonet (1918)
Sidecontact and top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 11 Volts / If 4 Ampere / Direct |
Dimensions (WHD)
incl. pins / tip |
x 259 x 76 mm / x 10.20 x 2.99 inch |
| Weight |
330 g / 11.64 oz |
| Information source |
Tube Lore (II) p. 150 & 159
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Just Qvigstad
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| Data Compliance |
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