Antique radios, Old Time Radios
D5TF30
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Country:
United States of America (USA)
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| Identical to |
D5TF30
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| Similar
Tubes |
Normally replaceable-slightly different:
50A1
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
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| Description |
Gas filled ballast tube designed to maintain a relatively constant current over a specified operating voltage range.
Text in other
languages (may
differ)
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D5TF30: St
Werner Sticht
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Just Qvigstad
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Collection of
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