Antique radios, Old Time Radios
5-438
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Country:
Netherlands
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| Identical to |
5-438
= E438
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| Similar
Tubes |
Other shape (e.g. bulb type):
T5-438
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| Production stop |
Feb.1938 |
| Predecessor Tubes |
I503
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
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| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature 1933
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5-438: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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5-438: own collection
Peter den Boer
More ...
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Collection of
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Variants
Dimensions are 48x115x35 mm; weight 46 gr.
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