Antique radios, Old Time Radios
33HE7
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| Tube type: |
Damper Diode-Beam Power-Endtetrode |
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| Identical to |
33HE7
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| Base |
Duodecar 12-pin, B12C Glass (USA 1961)
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| Filament |
Vf 33.6 Volts / If 0.45 Ampere / Indirect |
| Information source |
Essential Characteristics, GE 1973
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33HE7: Essential characteristics
Peter Hoddow
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Just Qvigstad
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