You can see the coil, an explanation of the design, and a comparison to a cheap kit in the video below. Of course, you hear about Tesla coils, but it is really more of a Tesla transformer.

Its ultra-thin 24-carat gold wire coils are more efficient and create an "exceptionally clear and detailed sound reproduction", Clearaudio says. It also has the same high-frequency shielding as the ...

But we are yet to hear the amplifier in action ... speaker because we would be transferring more voltage than current into the voice coil and the rendering is going to be very interesting.” ...