Antique radios, Old Time Radios
6221
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Country:
United States of America (USA)
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| Identical to |
6221
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| Base |
Subminiatur-8, with space 1/8, B8D
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| Filament |
Vf 6.3 Volts / If 0.175 Ampere / Indirect |
| Description |
Subminiature triode, mu 27.
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| Information source |
Essential Characteristics, GE 1973
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6221: Essential characteristics
Peter Hoddow
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Just Qvigstad
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