Antique radios, Old Time Radios
97
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Country:
Germany
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| Identical to |
97
= SSII
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| First Source
(s) |
1917 : Saga of the Vacuum Tube, Tyne p.254
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| Filament |
Vf 2.2 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
Bei nur 10,5 V an Schirmgitter und Anode 30fache Verstärkung.
Das Schirmgitter -zwischen Steuergitter und Anode- soll die unerwünschte Anodenrückwirkung reduzieren. Es wurde damals Schutznetz genannt.
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| Information source |
Saga of the Vacuum Tube, Tyne
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97: Röhren-Codex
Stefan Müller
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97: Riepka, Die Röhre, 1926
Anonymous 15 Collector
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