User manual B&W CWM 8 INSTALLATION

[. . . ] They feature adjustment for tweeter output level so that their performance may be tailored to a wide variety of practical conditions. However, no matter how good the speakers themselves, they will not deliver their full potential unless properly installed. B&W distributes to over 60 countries worldwide and maintains a network of dedicated distributors who will be able to help should you have any problems your dealer cannot resolve. Neither transportation, nor any other costs, nor any risk for removal, transportation and installation of products is covered by this warranty. [. . . ] This guarantee complements any national/regional law obligations of dealers or national distributors and does not affect your statutory rights as a customer. Front speakers for audio or home theatre Best imaging for 2-channel is obtained when the speakers are mounted in the wall approximately at ear height and making an angle between 40º and 60º at the centre of the listening position. (figure 1) For multi-channel home theatre the left and right speakers should be approximately 0. 5m (20 in) to the left and right of the screen and they and the centre speaker should be as near the centre height of the screen as possible. For a centre speaker, choose between above or below the screen depending on which is nearer ear height. The speakers should be positioned 60cm (2 ft) or more above head height. This pack should contain: 2x wall frame/baffle with drive units and crossover 2x grille with backing scrim fabric 2x paint mask 2x mounting template The horizontal angle to the centre of the listening position should be approximately 120º round from the centre of the screen. 1 channel Position two speakers to the sides in line with the centre of the listening area and one centrally behind the listeners (figure 4) 7. 1 channel Position two speakers to the sides in line with the centre of the listening area and two behind the listeners, subtending an angle of approximately 40º. Check that there is no conflict with other installations (pipe work, air conditioning, power cabling etc. In existing drywall construction, use a stud-finding tool to map the construction accurately and a pipe detector to scan the proposed installation position. If extra acoustic isolation to adjoining rooms is required or some protection against the spread of fire, use the optional back box in place of the PMK. Follow the instructions with the back box for fitting and running the cable. When fitting the plasterboard, use mastic between the sheets and the back box to avoid rattles. Rout or saw out the speaker aperture using the backbox flange as a guide. Depending on the diameter of the router, you may need to square off the corners with a saw. With the grille removed, position the speaker in the aperture and screw in the 6 screws visible from the front. These screws automatically swing out clamping dogs that locate behind the mounting surface. (figure 9) Ensure that they have located properly before fully tightening the screws. A certain amount of flexing of the frame is allowed to take up unevenness in the mounting surface, but do not overtighten the screws as excessive distortion of the speaker frame may result. The switch on the front baffle provides boost or cut to the speaker's highfrequency output level to compensate for listeners positioned severely off axis or a dull acoustic (boost) or highly reflective rooms (cut). The frame has a paintable white semi-matte finish, ready if necessary to be re-finished to match your own decor. [. . . ] The frame has a paintable white semi-matte finish, ready if necessary to be re-finished to match your own decor. Before painting the grille, peel off the fabric scrim from the back, otherwise the pores will get clogged and the sound will be impaired. If the scrim does not stay in place properly when replaced, spray the back of the grille mesh (NOT the scrim) with a light coating of 3M SprayMount adhesive or similar. In order for the bass performance not to be compromised, the speaker requires a cavity volume of at least 10 litres (0. [. . . ]