Antique radios, Old Time Radios
21F12
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Country:
Italy
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| Identical to |
21F12
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| Similar
Tubes |
Normally replaceable-slightly different:
PL81
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 21 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
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21F12: GBC TUBE CATALOGUE 1968
Giuseppe Feniello
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Just Qvigstad
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Collection of
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