Yamaha NS-6900 Owners Manual - Page 1
Yamaha NS-6900 Manual
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Printed in China NS-6900/7900/P7900-G OWNER'S MANUAL G NS-6900/NS-7900/NS-P7900 Speaker System Thank you for choosing this YAMAHA speaker system. Each speaker set consisting of the components shown on the table. NS-6900 Front speaker x 1 NS-7900 Front speaker x 1 NS-P7900 NS-C7900 Center speaker x 1 NS-E7900 Surround speaker x 2 PRECAUTIONS ■ Read this before using the speaker • Any time you note distortion, reduce the volume control on your amplifier to a lower setting. Never allow your amplifier to be driven into "clipping". 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. To clean, wipe with a dry, soft cloth. • To prevent the enclosure from warping or discoloring, do not place the speaker where it will be exposed to direct sunlight or excessive humidity. • When the front cover is removed, take care not to touch the speaker units with your hands or to exert excessive force with tools. • Do not place the speaker where it is liable to be knocked over or struck by falling objects. Stable placement will also ensure better sound performance. • 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. • 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. PRECAUTIONS WHEN POSITIONING THE FRONT SPEAKERS The speaker is constructed with the majority of the weight located in its upper portion, and is thus susceptible to falling over if proper care is not taken to insure its stability. If the speaker falls over, it may damage the speaker or be the cause of injury (or even death) to persons and/or damage to personal property. ■ For safe and proper use of the speaker: • Position the speaker in a location that is solid, level, smooth, and low (with respect to the floor). • 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.). ■ Use the stands included with the speaker to increase stability: Be sure to use the stands regardless of where the speaker is positioned. Attaching the stands included with the speaker reinforces the base of the speaker not to fall over. Please be cautioned that even though the stands are connected, this does not guarantee that the speaker will not fall over. SUPPLIED ACCESSORIES Front speaker (NS-6900/NS-7900) Speaker cable (4m) x 1 Stand x 4 Pad x 4 Tapping screw (4mm) x 8 Center speaker (NS-C7900) Surround speakers (NS-E7900) Speaker cable (4m) x 1 Fastener x 2 Speaker cable (10m) x 2 SETTING UP THE SPEAKER ■ Using front speakers as 2ch stereo speakers Better stereo images will be obtained when the front speakers are slightly angled in towards the listeners. NS-6900/ NS-7900 NS-6900/ NS-7900 ■ Using front/center/surround speakers in a multi channel system Position the front 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. The following diagram shows the recommended speaker layout. NS-6900/ NS-7900 NS-C7900 NS-E7900 Note: These speakers feature a magnetically shielded design, but there is still a chance that placing them too close to a TV set might impair picture color or create a buzzing noise. Should this happen, move the speaker away from the TV set. 1 PLACING THE SPEAKER ■ Attaching the stand to the front speaker When positioning the front speaker, be sure to attach the supplied stand to the 8 specified holes located on the bottom of the speaker to increase stability. NS-6900/NS-7900 Stand Tapping screw Pad 1 Put the 4 mm tapping screws through the two holes on the stand, and screw into the two holes on the bottom of the speaker. 2 When both screws are attached, tighten both of the screws so that the stand is firmly in place. 3 Attach the pads to the bottom of the end portion of the stand. 4 Attach the other stands in the same manner and confirm that all 4 stands are firmly attached. Notes • Do not place the speaker on top of the TV which 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. ■ Mounting the surround speakers on the wall You can mount the surround speakers on the wall using the holes of the brackets attached to the back of the speakers. 1 Fasten two screws into a firm wall or wall support at the interval as shown below. 2 Hang the speaker by mounting the holes on the protruding screws. * Make sure that the screws are securely affixed by the narrow parts of the holes. Wall/ wall support Tapping screw (3.5-4 mm) (Available at the hardware store) Note • Be careful not to apply force to the side of the speaker, otherwise the speaker may fall causing damage to the speaker or personal injury. ■ Placing the center speaker When placing the speaker on top of the TV, be sure to attach the supplied fasteners at two points on both bottom of the speaker and top of the TV to prevent the speaker from falling down. NS-C7900 Peel off the seal NS-E7900 3 mm Min. 20 mm 40 mm WARNING: • This speaker weighs 1.9 kg. Do not mount it on thin plywood or a wall with soft surface material. If mounted, the screws may come out of the flimsy surface and the speaker may fall. This damages the speaker or causes personal injury. • Do not install the speaker to a wall with nails, adhesives, or any other unstable hardware. Longterm use and vibrations may cause it to fall. • To avoid accidents resulting from tripping over loose speaker cable, fix it to the wall. 2