User manual SONY SS-CR290

[. . . ] on operation · Do not drive the speaker system with a continuous wattage exceeding the maximum input power of the system. If the polarity of the speaker connections are not correct, the bass tones will be weak and the position of the various instruments obscure. [. . . ] Contact between bare speaker wires at the speaker terminals may result in a short-circuit. Before connecting, turn off the amplifier to avoid damaging the speaker system. Because the nominal impedance of the super-tweeter is 8 ohms, you should use an amplifier that has an 8-ohm load impedance speaker output. Use the super-tweeter in conjunction with the supplied network box to prevent damage to the unit. The super-tweeter grilles is not removable since the dome material is extremely fragile. If you attempt to remove the grille, you may damage the super-tweeter unit. Do not place the speakers in locations that are: -- Extremely hot or cold -- Dusty or dirty -- Very humid -- Subject to vibrations -- Subject to direct sunlight On cleaning Clean the speaker system with a soft cloth lightly moistened with a mild detergent solution or water. You should also keep the speaker cords away from all AC power cords. notes on connections · The super-tweeter should be used in conjuction with the supplied network box to prevent damage the unit. The right and left speakers should be matched and connected with the (R) (right) and (L) (left) output terminals on the amplifier. Be sure the screws on the speaker terminals tight since loose screws will cause degradation in the sound quality, and perhaps noise as well. Make sure the cords are firmly connected to the terminals on the speaker, the network box, and the amplifier. Be careful not to connect a (+) terminal to a (­) terminal as this may result in a short-circuit. Selecting the cut-off frequency Select the cut-off frequency according to the specifications of the speaker system that you are using. [. . . ] Selecting the cut-off frequency Select the cut-off frequency according to the specifications of the speaker system that you are using. With the super tweeter, you change the cut-off frequency by changing the INPUT terminal connection on the network box. [. . . ]