Antique radios, Old Time Radios
HP211_7pin
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Country:
Hungary
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| Identical to |
HP211_7pin
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| Similar
Tubes |
Other base:
HP211
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| Base |
British-7-Pin, old (M7A)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.12 Ampere / Direct |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 110 & 111
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 177, p. 306
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HP211_7pin: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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Collection of
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