Antique radios, Old Time Radios
M447
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Country:
Netherlands
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| Identical to |
M447
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| Similar
Tubes |
Other characteristic (electr. data):
AF2
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| Production stop |
Jan.1937 |
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Top contact screw type.
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| Filament |
Vf 4 Volts / If 1 Ampere / Indirect |
| Information source |
- - Manufacturers Literature 1934
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M447: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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