Antique radios, Old Time Radios
GR31
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Country:
Switzerland
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| Identical to |
GR31
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
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| Description |
Bereitschaftsspannung: 240...350 VDC
Daueranodenstrom: 10...40 mA
Anodenspitzenstrom: kurzzeitig einige A
Starterzündspannung: <140 V
Starterstrom: 200 µA
Ladestrom bei Kippsteuerung: 10-3 µA bei 220 pF
25000 Betriebsstunden bei Nennstrom.
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| Information source |
Schweizer Elektronenröhren 1917-2003, Willi E. Seite 103
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GR31: Cerberus Datenblatt
Aldo Patriarca
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GR31: Cerberus Datenblatt
Aldo Patriarca
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Just Qvigstad
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GR31: Cerberus Datenblatt
Aldo Patriarca
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