Antique radios, Old Time Radios
28HD5
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| Tube type: |
Beam Power Tube |
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| Identical to |
28HD5
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| Base |
Duodecar 12-pin, B12C Glass (USA 1961)
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| Filament |
Vf 28 Volts / If 0.45 Ampere / Indirect |
| Information source |
Essential Characteristics, GE 1973
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28HD5: Essential characteristics
Peter Hoddow
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Just Qvigstad
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line up.
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| Data Compliance |
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