Antique radios, Old Time Radios
866A/866
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Country:
United States of America (USA)
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| Identical to |
866A/866
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 5 Ampere / Direct |
| Description |
This tube has both type numbers 866A/866 and was developed by RCA in 1941. Dual type numbers were shown on at least five other known brands The tube was claimed to give high perveance of the 866 and the high PIV of the 866A. The type number was reverted by RCA to 866A in 1947.
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| Information source |
Tube Lore (II) p. 80
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866A/866: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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