Antique radios, Old Time Radios
K712
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Country:
Netherlands
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| Identical to |
K712
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| Similar
Tubes |
Normally replaceable-slightly different:
TB04/10
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| Production stop |
Oct.1930 |
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 6.3 Volts / Direct |
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K712: Philips Amateursenderröhren 20.02.1928
Georg Richter
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Just Qvigstad
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| Data Compliance |
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