Antique radios, Old Time Radios
866B
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Country:
United States of America (USA)
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| Identical to |
866B
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| Similar
Tubes |
Multiple differences or of other kind:
866
; 866A
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| Predecessor Tubes |
866
866A
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Br)
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 5 Volts / If 5 Ampere / Direct |
| Description |
866 uprated to 8.5 KV PIV and 1A peak and 5 volt filament.
Information from Silvio Mangini:
866B FIVRE is electrically equivalent to 866A but DIFFERENT from Taylor 866B as reported. Yet 866B FIVRE is mechanically different from 866A: 866B FIVRE: ST16 bulb, B4 base, screw plate connection 866A (U.S.): ST19 bulb, UX4 base, medium cap
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| Information source |
Tube Lore (II) pp. 80
Babani, International Radio Tube Encyclopaedia p. 266 & 267
Tube Lore (I)
Taschenbuch zum Röhren-Codex 1948/49
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866B: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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866B: Taylor Tubes USA
Heinz Höger
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