Multimagnet technology has been another essential element of the Focal offering for 20 years and counting. The story of this magnet technology is worth telling. At the time Focal decided to develop its first very high efficiency woofer, the unusually large magnet this was calling for simply was not available, so an alternative solution had to be found to produce the desired magnetic energy for that new motor. The chosen solution was to use an array of several double stacked ferrite rings, on a circular open pattern regularly distributed around the voice coil. The Multimagnet was born.

20 years later, we still use the same design born out of necessity. Indeed more than one advantage came from that original design. Not only the magnetic energy is considerable, but a greatly welcomed cooling effect comes from the free circulation of warm air in the open space in between the magnet stacks, providing direct thermal ventilation right on the outside of the coil. In fact the harder the woofer works, the more air is forced through these open vents, and the more effective the cooling of the voice coil

The direct benefit of that exceptional cooling of the voice coil is that the voice coil itself can take more amps from your amplifier, both continuously and on impulse. This will translate into lower thermal compression, lower distortion, and higher dynamics. In term of sound, the bass will be louder and much more clearly defined at equal power. The woofer will give the feeling to work at ease under high stress. Bass is big, deep, powerful on impact, and you can distinctly follow a bass line. Even at lower sound pressure the whole bass spectrum is fully reproduced and present.

Another advantage of this technology is the considerable reduction of all the mechanical compression: as the back of the driver and the whole moving assembly are largely open there is no trapped air and no slowing down, so the cone moves much more freely back and forth, thus further enhancing the sense of impact and dynamics for a more natural sound.