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Фото и характеристики Yamaha NS-7900 |
Фрагмент инструкции
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. 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. 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 © 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. 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 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. © 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. 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. 1 2 CONNECTING TO YOUR AMPLIFIER Always turn off your amplifier before making any connections. ■ Before connecting • Remove the insulation coating at extremity of each speaker cable by twisting the coating off. Note: • Do not let uninsulated bare wires touch each other as this could damage the speaker or the amplifier. • Securely twist the bare wires and lump them together to prevent them causing a short circuit. Good 10-15 mm No Good ■ Connections • Connect the input terminals at the rear of the speakers to the speaker output terminals of the amplifier with the speaker cable. • Connect the (+) terminals on the amplifier and the speakers using one side of the cable. Connect the (-) terminals on both components using the other side of the cable. • Connect one speaker to the left (marked L) terminals of your amplifier, and another speaker to the right (marked R) terminals, making sure not to reverse the polarity (+, -). If one speaker is connected with reversed polarity, the sound will be unnatural and lack bass. В Connecting the front speaker NS-6900/NS-7900 NS-6900/NS-7900 Red (+) Black (-) Bare wire Insulation coating How to connect: © Loosen the knob. @ Insert the bare wire core of the speaker cable into the hole on the terminal. 3 Tighten the knob to secure the wire. 0© t t Right 0© Left Amplifier RSURROUND© CENTER ц и N и и И и • щ ■ В Connecting the center/surround speakers REMOVING THE FRONT COVER OF THE FRONT SPEAKER The front cover is fastened to the enclosure at six 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 six holes on the speaker with the six corresponding pegs on the inner surface of the cover 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 ■ NS-6900 Type...2-way bass reflex speaker system, Magnetically ...
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