Antique radios, Old Time Radios
HY1231Z
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Country:
United States of America (USA)
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| Identical to |
HY1231Z
= 31Z
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Hr)
2 Top contacts.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 8 Volts / If 3.2 Ampere / Direct |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 206 & 207
Tube Lore (II) p.155
Taschenbuch zum Röhren-Codex 1948/49
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HY1231Z: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
More ...
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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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