User manual MB QUART RUA 210 INSTALLATION

[. . . ] The shallow one with the great sound rEFERENCE RUA Woofers with extremely shallow plastic chassis for optimized installation in stock locations with limited mounting depths Encapsulated, front-mounted neodymium magnet system 1" tweeters with titanium dome in plastic housing Reference crossovers with variable two-level tweeter output If you do not have a specialized workshop do the installation, please read the following installations and assembly instructions carefully. [. . . ] We also strongly recommend that you never use the loudspeaker chassis as a template for cutting or drilling. Before installing any loudspeaker components, please make sure that there are no obstacles to the installation. Check behind the supporting surface to insure proper clearance to the window mechanism or door lock assembly. When choosing to surface mount your speakers, take care to ensure enough clearance exists between the mounting grilles and door handle or window crank prior to cutting the door panel. Tweeter adjustment: The tweeter frequency level is set during manufacture to 0 dB, i. After establishing that the loudspeakers work properly, you can switch the system off and again reverse the polarity of the tweeters (by reversing the plus and minus leads). [. . . ] Should you have any questions about Reference or any other MB QUART products, please feel free to send us an email or give us a call. [. . . ]