🚚 Lightning-Fast Shipping
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US Orders: Shipped directly from our Local US Warehouses. Expect delivery in 2-5 Business Days.
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✈️ Global Orders: Shipped via Express Air Freight from our Central Lab. Typically 8-15 Business Days for major destinations (UK/EU/CA/AU).
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📦 Safe Packaging: Double-walled boxes with custom EPP foam. Zero breakage guarantee.
🛡️ EXCLUSIVE: WARDENCLYFFE Care+ Program
(Only available when you order directly from TeslaCoil.shop)
We know that buying high-voltage equipment can be daunting. That's why official store customers get VIP treatment:
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Priority Lab Support: Direct access to our engineering team (no bots)
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60-Day Extended Return: Double the standard return window (30 days → 60 days)
PRODUCT DESCRIPTION
TESLA COIL 20 is the classroom-oriented transparent music Tesla coil in the WARDENCLYFFE lineup. It is designed for users who want a stronger demonstration device than the compact desktop models, while still keeping the product manageable for desk use, classroom presentation, and technical display. In the series, TC20 represents the move from upgraded desktop use into a more presentation-focused Tesla coil with larger arc output and built-in music capability.
Its strongest identity is the combination of visible structure, stronger arc performance, and self-contained demonstration convenience. The transparent acrylic housing reveals the internal circuit arrangement like a mechanical core, while the silver, black, and red cyberpunk color scheme gives the product a distinctly technical display character. This makes TC20 particularly well suited to teaching environments, exhibition tables, collectors who prefer visible circuitry, and buyers who want a model that looks impressive even before it is powered on.
Compared with the compact desktop models below it, TC20 offers a much larger tested point-to-point arc and a more complete demonstration role. It is better suited to classroom use and public-facing display than TC8, TC10MINI, or TC10+, while remaining smaller and easier to place than the flagship TC50. For buyers choosing between TC20 and TC50, TC20 is the more balanced option when the goal is strong visual effect in a more manageable format.
TC20 supports Pulse Lightning Mode, Trigger Lightning Mode, Bluetooth Music Mode, and Built-In SD Card Music Mode. This four-mode structure gives it more flexibility than the smaller desktop models and makes it easier to move between visual arc demonstration and music-based operation. The built-in SD card comes preloaded with more than 100 square-wave tracks, so the unit can deliver music-linked plasma performance without depending on a phone or computer for every session.
Technical Specifications:
Main unit size: 3.94 × 3.94 × 7.87 inches
Shipping dimensions: 13.78 × 9.25 × 7.68 inches
Shipping weight: 1.6 kg
Input voltage: 100–240VAC 50/60Hz
Input power: 0–150W
Circuit architecture: Half-Bridge DRSSTC
Output voltage: 0–300kV
Output frequency: 450kHz
Operating noise: up to 90 dB
Built-in music library: 100+ square-wave music
Lightning length: 0–30 cm, adjustable
Arc test basis: point-to-point testing with the included discharge needle at 20°C / 50% RH
These specifications place TC20 in the transition zone between desktop Tesla coils and larger display-oriented units. It is best for physics teachers, STEM presentation, advanced desk display, and buyers who want built-in music playback combined with a visibly stronger arc. Buyers who only want a very small entry model may prefer the lower models in the lineup, while users seeking the largest visual impact may prefer TC50.
This is a real high-voltage demonstration device rather than a toy. During operation it can generate strong discharge noise, and nearby sensitive electronics such as phones, monitors, Wi-Fi devices, Bluetooth devices, and other signal-sensitive equipment should be kept at a safe distance. Minimum-power operation can reduce perceived sound intensity by up to 80%. Direct contact with the arc is not recommended. Keep the unit away from flammable materials and begin operation from the minimum setting.