Antique radios, Old Time Radios
8581
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| Tube type: |
Double Tetrode |
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| Identical to |
8581
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| Similar
Tubes |
Normally replaceable-slightly different:
YL1270
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| Base |
Loctal-8, B8G (Sylvania, 1938)
2 Sidecontacts.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 1.1 Volts / If 4 Ampere / Direct |
| Information source |
Röhren-Taschen-Tabelle, (Franzis RTT)
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8581: RTT Schwandt
Günther Stabe † 19.8.20
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Just Qvigstad
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