Antique radios, Old Time Radios
YL1220
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| Tube type: |
Double Tetrode |
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| Identical to |
YL1220
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| Similar
Tubes |
Normally replaceable-slightly different:
8577
Heater different:
QQE02/5
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
Vf 13.5 Volts / If 0.28 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Zwei Heizfäden seriell (~ Heizfadenmitte), daher auch Betrieb mit 6,75 V und 0,56 A
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| Information source |
Röhren-Taschen-Tabelle, (Franzis RTT)
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YL1220: RTT Schwandt
Günther Stabe † 19.8.20
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Just Qvigstad
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YL1220: Valvo,Senderöhren, 1983
Anonymous 15 Collector
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