Antique radios, Old Time Radios
FR304
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Country:
United States of America (USA)
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| Identical to |
FR304
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| Similar
Tubes |
Normally replaceable-slightly different:
UX245
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
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| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 1.5 Ampere / Direct |
Dimensions (WHD)
incl. pins / tip |
x 137 x 54 mm / x 5.39 x 2.13 inch |
| Weight |
59 g / 2.08 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (II) p. 27 & 213
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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FR304: Datenblatt
Wolfgang Bauer
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