[. . . ] [. . . ] DuPont originally created Kevlar® for use in bulletproof vests. q Tweeter on top: B&W's Tweeter on top technology ensures that the sound remains focused and time-sensitive and that the stereo-image is presented with unparalleled three dimensional accuracy. Description Drive Units 3-way 4th order vented box system 1 x 25mm metal dome - high 1 x 165mm Kevlar® - bass/midrange 1 x 165mm Cobex® - bass Power Handling 30W ­ 150W into 8 ohms on unclipped programme Dimensions Height: 1000mm Width: 200mm Depth: 316mm Frequency Response 40Hz ­ 20Hz ±2dB on reference axis Sensitivity 90dB spl(2. 83V 1m) Finish Black Ash, Rosenut, Cherrywood Grille: Black Cloth Nominal Impedance 8 ohms (minimum 3. 5 ohms) B&W Loudspeakers Ltd reserves the right to amend details of the specifications without notice in line with technical developments. [. . . ] [. . . ]