Plasma speaker - Singing Arc and Jacob's ladder

This is a modified version of the new Singning arc called "plasma speaker" with high voltage transformer from old TV(circuit diagram at the end of the video).
High voltage is able to bridge the considerable distance, so I tried to build a Jacob's ladder.
It´s easy, two retreating wires, between burning arc.

This is dangerous device, I do not take responsibility for damage caused by the operation of this equipment.
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