Self-Excited Single-Tube Tesla Coil with Glow Tube and 12V Supply
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Prices updated: 14 Oct 2026
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About this product
Educational single-tube self-excited Tesla coil with a glow tube and a 12V 1A power supply, housed in a 3D printed shell about 60 x 60 x 135 mm. It produces a small high-voltage arc of around 4 mm and is used to demonstrate resonance and high-voltage effects. Keep it away from electronics and from people with pacemakers.
Specifications
- Power supply
- 12 V, 1 A
- Power consumption
- About 8.5 W
- Dimensions
- 60 x 60 x 135 mm
- Shell
- 3D printed
- Arc length
- About 4 mm
- Included accessories
- Glow tube, 12V 1A power supply
Frequently asked questions
Is it safe to touch while running?
No. The coil produces high voltage, and the listing warns against touching it. Keep hands and metal objects away while powered, and keep it clear of electronics and magnetic storage media.
What power supply does it need?
The package includes a 12V 1A power supply, and the listing describes a consumption of about 8.5 W. Use only the supplied or an equivalent 12V supply rated at 1 A or more.
