Antique radios, Old Time Radios
4657
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Country:
Netherlands
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| Identical to |
4657
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| Similar
Tubes |
Other class quality (otherwise equal):
E499
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
Dimensions (WHD)
incl. pins / tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Weight |
48 g / 1.69 oz |
| Information source |
L'ABCDaire des lampes de TSF des jeunes années p. 59b
-- Collector info (Sammler)
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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4657: rtt
Anonymous 10 Collector
More ...
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Just Qvigstad
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4657: Válvulas Miniwatt, 1954
Anonymous 15 Collector
More ...
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Collection of
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