Radio Antica e Radio d'epoca
870
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
870
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
38170
Multiple differences or of other kind:
870A
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Evoluzioni
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870A
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| Zoccolo |
Wires
Wires only.
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| Utilizzata per |
Transmittertube (Radio) |
| Filamento |
Vf 5 Volt / If 70 Ampere / Indirect / Specified voltage AC/DC |
| Descrizione |
Work started on the development of this tube at the GE laboratories in March 1930 and it was assigned the type number in April 1933. Use f the tube began in the fall of 1933. It has wire leads for the filament and anode. 16KV PIV, 7.5A DC.
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Dimensioni
(LxAxP)
incl.pins/tip |
622 x x mm / 24.49 x x inch |
| Bibliografia |
Tube Lore (II) p. 70
Tube Lore (I)
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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