Otherwise the speaker may be damaged. . When using an amplifier with a rated output power higher than the nominal input power of the speaker, care should be taken never to exceed the speaker’s maximum input. . Do not attempt to clean the speaker with chemical solvents as this might damage the finish. Use a clean, dry cloth. . Do not attempt to modify or fix the speaker. Contact qualified YAMAHA service personnel when any service is needed. The cabinet should never be opened for any reasons. . Secure placement or installation is the owner’s responsibility. YAMAHA shall not be liable for any accident caused by improper placement or installation of the speaker. PLACING THE SPEAKER Place the speaker on TV whose top is flat or on the floor under the TV or inside the TV rack so that it is stabilized. When placing the speaker on top of the TV, to prevent the speaker from falling down, put the provided fasteners at four points on the bottom of the speaker and the top of the TV. 1 2 Fastener Main L NS-C515 Main R Rear effect Subwoofer Notes . Do not place the speaker on top of the TV whose area is smaller than the bottom area of the speaker. If placed, the speaker may drop out causing an injury to you. . Do not place the speaker on top of the TV with an inclination. . Do not touch the adhesive surface after peeling off the seal as this will weaken its adhesive strength. . Thoroughly wipe clean the surface where the fastener is to be applied. Note that adhesive strength is weakened if the surface is dirty, oily or wet and that this may cause the center speaker to drop. . This speaker features a magnetically shielded design, but there is still a chance that placing it too close to a TV set might impair picture color. Should this happen, move the speaker away from the TV set. E-1 CONNECTIONS TO YOUR AMPLIFIER This speaker system is capable of standard connections and bi-wired connections. Before making connections, make sure that the amplifier is switched off. – CENTER + + – Amplifier or Receiver NS-C515 Leave the short bars in place when connecting. Short bar Loosen Tighten CONNECTIONS • Connect the screw-type input terminals at the rear of the speaker to the speaker output terminals of the amplifier (or receiver) with the speaker cable. • Connect the (+) terminals on the amplifier (or receiver) and the speaker using one side of the cable. Connect the (–) terminals on both components using the other side of the cable. • Connect the speaker to the center terminals of your amplifier, making sure not to reverse the polarity (+, –). If the speaker is connected with reversed polarity, the sound will be unnatural and lack bass. How to connect: 1 Loosen the knob. 2 Remove the insulation coating at the extremity of each speaker cable by twisting the coating off. 3 Insert the bare wire. 4 Tighten the knob and secure the cables. Test the firmness of the connection by pulling lightly on the cables at the terminal. Note Do not let the bare speaker wires touch each other as this could damage the speaker or the amplifier, or both of them. When using a banana plug 1Remove the cover by pulling it toward you. 2Tighten the terminal knob. 3Simply insert the banana plug into the terminal. Banana plug 213 – CENTER + + – Remove the short bars before connecting. Amplifier or Receiver Woofer terminals Tweeter terminals NS-C515 Bi-Wired Connections This speaker system is capable of bi-wired connections. To connect the speaker to the output terminals of the amplifier (or receiver), two pairs of cables for each of woofer and tweeter are used instead of standard connections. This type of connection decreases the modulation distortion caused by electric resistance of the cables and driving current of the speakers. Consequently, purer sound quality can be expected. To utilize bi-wired connections, remove the short bars from the terminals first, and then connect the woofer and tweeter to the amplifier separately using two pairs of cables. REMOVING THE FRONT COVER The front cover is fastened to the enclosure at four points and can be removed if desired. To remove the cover, hold on to both sides and slowly pull straight away from the speaker. To reattach, line up the four holes on the inner surface of the cover with the four corresponding pegs on the speaker and push gently. Note When the cover is removed, take care not to touch the speaker units with your hands or to exert excessive force with tools. SPECIFICATIONS Type ............ 2-way 3-speaker bass reflex speaker system Magnetic shielding type Driver .......................................13 cm (5”) cone woofer x 2 3 cm (1”) dome tweeter Impedance ................................................................... 6 . Frequency Response ................................57 Hz to 50 kHz Nominal Input Power ................................................ 100 W Maximum Input Power.............................................. 300 W...
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