Antique radios, Old Time Radios
S217
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Country:
Austria
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| Identical to |
S217
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| Base |
Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lr)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
This tube is a variable Mu pentode.
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 177, p. 306
- - Manufacturers Literature Undated tube data sheet
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
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S217: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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Collection of
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