Antique radios, Old Time Radios
TR3
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Country:
Italy
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| Identical to |
TR3
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| Predecessor Tubes |
TR1-2
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Transmittertube (Radio) |
| Filament |
Direct |
| Description |
Small transmitting triode manufactured to Italian Army specs. Used in the RF power stage of various battery-operated Rx-Tx sets. About 15 W RF power were generated by this triode connected in a Meissner oscillating circuit.
No data available
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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| Data Compliance |
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