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Фото и характеристики Yamaha NS-555 |
Фрагмент инструкции
12 Note Be carefull not to apply force to the side of the speaker, otherwise the speaker may fall causing damage to the speaker or personal injury. 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. [Standard Connection] SPEAKERS A B LR ++ + Tighten Loosen Leave the short bars in place when connecting. NS-777/NS-555 (R) Speaker output terminals of the amplifier Short bar NS-777/NS-555 (L) How to Connect: 1 Remove the insulation coating at the extremity of each speaker cable by twisting the coating off. Good No Good 2 Loosen the terminal knob. 3 Insert the bare wire. 4 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 to avoid damaging the speaker or the amplifier, or both of them. Using a Banana Plug Banana Plug Amplifier or Receiver 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 one speaker to the left (marked L) terminals of 1 Remove the speaker terminal cover by gently pulling it your amplifier, and another speaker to the right (marked toward you. R) terminals, making sure not to reverse the polarity (+, 2 Tighten the terminal knob. –). If one speaker is connected with reversed polarity, 3 Simply insert the banana plug into the terminal. the sound will be unnatural and lack bass. 123 English 3 . [Bi-Wired Connection] PLACING THE SPEAKERS + – SPEAKERS LR SPEAKERS A B LR + – – + – + + Tweeter terminals Remove the short bars before connecting. NS-777/ NS-555 (R) Amplifier or Receiver Amplifier or Receiver Both SPEAKERS A and B should be selected. NS-777/ NS-555 (L) Mid-woofer/ woofer terminals NS-777/ NS-555 (R) NS-777/ NS-555 (L) 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 mid-woofer/ woofer and tweeter 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 mid-woofer/ woofer and tweeter to the amplifier separately using two pairs of cables. Place the speakers on a sturdy, vibration-free surface, on a well-built stand. Using as 2ch stereo speakers Better stereo images will be obtained when the speakers are slightly angled in towards the listeners. 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. Note 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. Rear effect Subwoofer Center NS-777/ NS-555 NS-777/ NS-555 REMOVING THE FRONT COVER SPECIFICATIONS 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 pegs on the inside surface of the cover with the six corresponding holes on the speaker and push gently. NS-777 NS-555 Note When the cover is removed, take care not to touch the speaker units with your hands or to exert excessive force with tools. NS-777 Type ............................. 3-way 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 2.5 cm (1") dome tweeter Frequency response.................................. 30 Hz – 35 kHz Nominal impedance...............................................6 ohms Nominal input power..............................................100 W Maximum input power ...........................................250 W Sensitivity................................................89 dB/2.83 V/m Crossover frequency .................................... 1 kHz, 4 kHz Dimensions (W x H x D) ......................................... 276 mm x 1100 mm x 390 mm (10.9" x 43.3" x 15.4") Weight...........................................24.4 kg (53 lbs. 13 oz.) Accessories ........................................Stand (R x 2, L x 2) Was...
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