Antique radios, Old Time Radios
429A_WE
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Country:
United States of America (USA)
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| Identical to |
429A_WE
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| Filament |
Vf 20 Volts / If 0.14 Ampere |
| Description |
Gm 6.6mS, 12W anode dissipation. Two tubes were used to key 60mA local loops in teletype keyers. Compactron-like base with nine large pins and vacuum sealing tip in the middle.
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| Information source |
Tube Lore (I)
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