ЛД 40-1 СЭЛЗ I 1988, в работе, катод
Эмиттер у этой лампы довольно изношен. Поэтому при работе обе спирали разогреваются немногим более половины. При перевороте колбы, разумеется, такой сильный разогрев уходит из-за перемещения эмиссионных пятен на "нетронутые" концы нитей.
- Раздел: Хобби
- Дата съёмки: неизвестно
- Дата загрузки фото: 24.10.2023 16:44
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