Instruções de Operação Yamaha, Modelo NS-8HX
Fabricante : Yamaha
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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. Effect L Effect R Subwoofer Center NS-8HX NS-8HX 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. Should this happen, move the speakers away from the TV set. 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. English SPEAKERS A B LR ++ – – + – Amplifier or Receiver Tighten NS-8HX (L) Loosen Short bar Leave the short bars in place when connecting. NS-8HX (R) Speakers output terminals of the amplifier (or receiver) CONNECTIONS • Connect the screw-type input terminals at the rear of the speakers to the speaker output terminals of the amplifier (or receiver) with the speaker cable. • Connect the (+) terminals on the amplifier (or receiver) 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. How to connect: 1 Loosen the knob. 2 Insert the bare wire. [Remove the insulation coating at the extremity of each speaker cable by twisting the coating off.] 3 Tighten the knob and secure the cable. Test the firmness of the connection by pulling lightly on the cable 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. E-4 + – – SPEAKERS R L SPEAKERS A B R L + – – + + + – When using a banana plug 1 Remove the cover by pulling it toward you. 2 Tighten the terminal knob. 3 Simply insert the banana plug into the terminal. 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/midrange 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/mid-range to the amplifier separately using two pairs of cables. Remove the short bars before connecting. Amplifier or Receiver Woofer terminals Tweeter/Mid-range terminals Banana plug 2 1 3 Amplifier or Receiver NS-8HX (R) NS-8HX (L) NS-8HX (R) NS-8HX (L) Both SPEAKERS A and B should be selected. ATTACHING THE FRONT COVE R The speaker and the front cover are packed separately. To attach the cover, line up the six pegs on the speaker with the six corresponding holes on the inside surface of the cover and push gently. To remove the cover, hold on to both sides and slowly pull straight away from the speaker. When the cover is removed, take care not to touch the speaker units with your hands or to exert excessive force with tools. Note SPECIFICATIONS Type .......................................3-way 4-speaker bass reflex speaker system Magnetic shielding type Driver .......................................20 cm (8”) cone woofer x 2 Wave guide horn 13 cm (5”) cone mid-range Wave guide horn 3 cm (1”) dome tweeter Impedance ................................................................... 6 . Frequency Response ................................35 Hz to 50 kHz Nominal Input Power ................................................ 140 W Maximum Input Power.............................................. 400 W Sensitivity ...................................................92 dB/2.83 V/m Crossover Frequency ...................................600 Hz, 4 kHz Dimensions (WxHxD).......................364 x 1102 x 397 mm (14-5/16” x 43-5/6” x 15-5/8”) Weight ............................................ 32.5 kg (71 lbs. 11 oz.) Accessories ......................................................... Spike x 4 Nut x 4 . Specifications subject to change without notice due to product improvements. . Care should be taken not to exceed the input power values noted above. English YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG...
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