Uploaded May 2014 | Updated September 2026, 3 weeks ago

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Introducing my new homemade/DIY high voltage power supply, called the Cube, that makes use of a flyback transformer. It consists of a few resistors, a capacitor and two 2N3055 power transistors to feed the flyback. I demo it creating some wavey corona and running a jacob's ladder or traveling arc.

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See also:

The Cube - How to Make High Voltage Power Supply w Flyback/Builtin Diodes
youtube.com/watch?v=-KFhBVfpfDw

How to Make 30kV High Voltage DC Power Supply with Flyback & Cockcroft-Walton Multiplier Tripler
youtube.com/watch?v=GEuK1OdYxHk

TEA Laser - Easy Homemade/DIY Laser
youtu.be/Fl_cAHuGlko

For my webpage with details about this high voltage power supply:
rimstar.org/science_electronics_projects/high_voltage_power_supply_w_flyback_transformer_builtin_diodes.htm

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