- Who
- Henry Hurrass
- What
- 500,000 volt(s)
- Where
- United States (Black Canyon City)
- When
The highest voltage output from a bipolar Tesla coil is 500,000 volts, built by Henry Hurrass (USA) and demonstrated in Black Canyon City, Arizona, USA, on 21 November 2015.
The Tesla coil's arcs have been tuned to allow it to harmonise with the other members of its Tesla coil ensemble, named AudioTesla.