Theva Surround

Made in France in our workshops, the TNF aluminum/magnesium inverted dome tweeter delivers smooth, clear treble. The surround that connects the dome to its support uses Poron, a shape-memory material. This surround is directly derived from Focal's famous Beryllium tweeter, and reduces distortion by a factor of three between 2000 Hz and 3000 Hz, the most sensitive zone for the ear. In addition, a waveguide has been developed to perfect spatialization and further improve the inverted dome's very low directionality. In the horizontal plane, the frequency response is within +/- 0.5 dB. This performance guarantees an incredibly stable soundstage.

Exclusive to Focal and made in France, the Slatefiber membrane is made from recycled carbon fiber and thermoplastic polymer. In their quest for perfection and as specialists in loudspeaker membranes, our engineers have chosen to use non-woven carbon fibers in this case.es in the same direction to achieve even greater rigidity, damping and lightness, the "essentials" of a good loudspeaker. Renowned for its dynamic, rich and balanced sound reproduction, this membrane has proved its worth on numerous products for the home, for professionals in recording studios, and also for listening in the car.