Antique radios, Old Time Radios
TB-601-A
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Country:
Japan
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| Identical to |
TB-601-A
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| Similar
Tubes |
Normally replaceable-slightly different:
4020A
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Telephony |
| Filament |
Vf 2 Volts / If 0.25 Ampere / Direct |
| Information source |
-- Collector info (Sammler) Dawn of Tube Production in Japan - Ohtsuka.
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Just Qvigstad
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