Materials of constructionandmiddot Kapton coil former andmiddot Polyamide-imide coated two-layer aluminium voice coil for lower mass and increased sensitivityandmiddot Ferrite magnet andmiddot Vented core for increased power handlingandmiddot Premium pressed steel basket for maximum strengthandmiddot Paper cone andmiddot Cloth cone edge andmiddot Solid composition paper dust cap Performance optimised for midrange use between 400Hz and 4kHz in multiway systems. Also suitable for vocal P.A. keyboards club systems stage monitors and bass guitar.