User manual YAMAHA NS-645

[. . . ] · Do not push or apply pressure to the side of the speaker when moving, or lean objects against the side of the speaker. · Do not sit on or set objects on top of the speaker. Vibrations or jolts associated with earthquakes and other phenomena or activities may cause the speaker to fall over. For safety reasons, using commercially available products that increase stability in the speaker is recommended (metal fittings or chains, etc. ). 2 English HOW TO USE THE ACCESSORIES INCLUDED WITH THE SPEAKERS s Attaching the stand s Attaching the spike Stand x 4 Screw (6 mm) x 4 Wood screw (4 mm) x 4 Spike x 4 Washer x 4 Pad x 4 When setting up the speakers on a thick carpet, use the spikes instead of the stand. [. . . ] Put the 4 mm wood screw through the outside hole on the stand, and screw into the inside hole on the base of the speaker. When both screws have been attached, tighten both of the screws so that the stand is firmly in place. Be sure to check that the stand is firmly attached. Attach the pads to the bottom of the end portion of the stand. Attach the other stands in the same manner and confirm that all 4 stands have been firmly attached. Place the speaker in the desired location. Note If force is applied to the side of the speaker, it may fall and damage the speaker or cause personal injury. Please be careful. Procedure: Set the nut close to the tip of the spike and screw them into the bottom of the speaker at each of the four specified holes. Place the speaker in the desired location in an upright position and adjust the length of the spike to match the depth of the carpet. When adjustment is complete, twist the nut up to the base of the speaker firmly. Notes The tips of the spikes may scratch or otherwise damage the flooring. 6 ohms Frequency Response NS-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Hz ­ 35 kHz NS-645 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Hz ­ 35 kHz Nominal Input Power NS-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 W NS-645 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 W Maximum Input Power NS-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 W NS-645 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 W Sensitivity NS-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 dB/2. 83 V/m NS-645 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 dB/2. 83 V/m Crossover Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 kHz Dimensions (WxHxD) NS-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 x 900 x 317 mm (8. 3" x 35. 4" x 12. 5") NS-645 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] 16. 8 kg (37. 1 lbs. ) Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stand x 4 Screw (6 mm) x 4 Wood screw (4 mm) x 4 Washer x 4 Pad x 4 Spike x 4 Nut x 4 q s Using as main speakers in a multi channel system Position the speakers on both sides of the TV. The positioning of speakers is important, because it controls the whole sound quality of a multi channel system. Set up the speakers on the basis of your listening position by following the owner's manual supplied with your amplifier. NS-300/ NS-645 Subwoofer NS-300/ NS-645 Surround R Center Surround L REMOVING THE FRONT COVER The front cover is fastened to the enclosure at six points, and can be removed if desired. [. . . ]