P165KC

30 MM VOICE COIL
30 mm voice coil design with high power handling and low resonance frequency
GOLD PLATED TERMINALS
We do not use expensive materials to increase the cost of products but the gold-plating process enables the terminal to have better electrical conductivity and low contact resistance.  So all the time of transmission signal loss is lower more conductive to guarantee the high quality at the same time gold’s chemical properties is very stable not easy to oxidation so in many Hi-end level of audio equipment Gold plated terminals is widely used.
FERROFLUID TECHNOLOGY
Ferromagnetic fluids are commonly used in speakers to absorb the heat generated between a voice coil and a magnet and it can passively weaken the cone movement.  Ferromagnetic fluid is usually located in the air gap among the voice coil and is fixed by the magnet.  Ferromagnetic fluid has the properties of para magnetism thus satisfying the law of Curie: when the temperature rises the magnetism decreases. Because of the heat generated by the magnet at work the ferromagnetic fluid magnetism is reduced and the eated ferromagnetic fluid flow is replaced by the cold ferromagnetic fluid on the periphery. This is an effective way of cooling off the outside world.

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