Notice FOCAL 690 CVX

« arantee. Warning Continued listening at high volume levels above 110dB, are damage your hearing durably. Listening above 130dB can damage your hearing permently. The Focal guarantee only applies if the enclosed guarantee card is returned to us within 10 days of purchase. notice polyglass cvx.indd 1notice polyglass cvx.indd 131/08/07 14:44:4831/08/07 14:44:482POLYGLASS CVX User Manual Important recommendations Before attempting any installation work, it is very important to verify how much space is available to fit the speakers into the vehicle. • For direct replacement of original speakers, please check there is enough space for your new Focal speakers and grilles. • Ensure the speaker is clean from debris and metallic particles that maybe attached (especially after drilling) • Use the foam gasket supplied (inside the grille), for airtight placement of the speaker into the panel. Choice of installation and positioning of speakers To achieve best results for your installation, please follow these simple guidelines • Speakers positioned in the most forward location possible, for correct staging. • When installing Polyglass coaxial speakers into the rear of the vehicle (rear parcel shelf or left and right quarters), the left and right speakers should always be positioned far apart from each other, and the most forward possible, to the listener. If installed into the rear parcel shelf, the speakers must be fixed rigidly in place. If holes are to be cut into the parcel shelf, ensure it is still strong enough to accept the speakers. The panel must remain strong, rigid, and free from any vibrations. If the parcel shelf is allowed to flex, a possible acoustic short circuit, may occur drastically decreasing the speakers performance. Orientation of the tweeter The tweeter includes a rotational and adjustable tilt mechanism, that gives the user a huge advantage in deciding the position the tweeter points, ultimately changing the strength of the high frequencies produced. Simply by carefully turning and twisting the tweeter into position ensures it is on axis to the listeners ears. Thus: • obtains correct integration of the system, • optimise the sound stage image. notice polyglass cvx.indd 2notice polyglass cvx.indd 231/08/07 14:44:4931/08/07 14:44:493POLYGLASS CVX User Manual Specifications Running-in period Polyglass drive units use the very latest components. To ensure such complex mechanical elements work in harmony with each other, they must be allowed to function correctly in this environment. Such changes in temperature and humidity are regarded as very hostile. For Polyglass speakers to benefit, a running-in period must be used to ensure they are prepared for this. We recommend that once the system is ready for listening the drive units should be run-in with medium volume setting, with music that has the full bandwidth of frequencies (sub-bass through to treble). This running-in period should be used for a few weeks, to gain the full potential. After which the excellent performance of your Polyglass products can be fully appreciated. What is the power for your amplifier? Polyglass speakers are already highly efficient, with improved sensitivity. Therefore, their use with a high power head unit will produce comfortable listening pleasure. However used in a more high-end system, with separate amplification, the audio quality will be greatly impro... »