User manual B&W DM 640I

[. . . ] [. . . ] DM600i Stand-mount/Bookshelf loudspeaker system Product Summary q Designed with the more demanding digital sources of the nineties in mind, the 600 series has earned a reputation for minimal coloration and musical accuracy in audio reproduction. Successfully capturing the transients found in music meant developing a loudspeaker able to do justice to the attack of the original audio signal. The polymer has been chosen for its composition and ability to reduce unwanted resonances to a minimum. Description 2-way 2nd-order closed-box digital monitor system with bi-wiring Frequency Response 80Hz ­ 20kHz ± 2dB on reference axis Sensitivity 87dB spl(2. 83V 1m) Drive Units 1 x 26mm high frequency with metal dome, high-temperature voice coil magnetic fluid cooling 1 x 165mm bass/midrange with reinforced polypropylene diaphragm and 25mm high temperature voice coil on Kapton® former Nominal Impedance 4 ohms Power Handling 30W ­ 100W into 4 ohms on unclipped programme Dimensions Height: 352mm Width: 204mm Depth: 243mm Finish Black Zelda B&W Loudspeakers Ltd reserves the right to amend details of the specifications without notice in line with technical developments. [. . . ] [. . . ]