It's normal. Don't worry. Actually it's better than "standing" as electrode is NOT eroded in one place, has less oxidation - so it's prolong tube life. This circular design is on purpose.
Is my tube bad? The arc is moving back and forth.
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It's normal. Don't worry. Actually it's better than "standing" as electrode is NOT eroded in one place, has less oxidation - so it's prolong tube life. This circular design is on purpose.
Polish @ Éire