Antique radios, Old Time Radios
GR33
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Country:
Switzerland
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| Identical to |
GR33
= Z803U
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
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| Description |
Bereitschaftsspannung: 170...290 VDC
Daueranodenstrom: 5...25 mA
Starterstrom: 25 µA
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| Information source |
Schweizer Elektronenröhren 1917-2003, Willi E. Seite 103
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Just Qvigstad
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