User manual YAMAHA K-09

[. . . ] A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 10 Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. IMPORTANT Please record the serial number of this system in the space below. [. . . ] Condensation might cause fire, damage to the unit, and/or electric shock. Do not cover the rear panel of this unit with a newspaper, tablecloth, curtain, etc. If the temperature inside the unit rises, it may cause fire, damage to the unit, or personal injury. Do not plug this unit into a wall outlet until all connections are complete. The voltage to be used must match that specified on the rear panel. Using this unit with a voltage higher than specified is dangerous and may cause fire, damage to the unit, and/or personal injury. Yamaha is not responsible for damage resulting from use of this unit with a voltage other than specified. Super-bass sound reproduced by this unit may cause a turntable to generate audio feedback. In this case, move the unit away from the turntable. This unit may be damaged if certain sounds are continuously output at high volume level. For example, if 20 Hz­50 Hz sine waves from a test disc or bass sounds from an electronic instrument, etc. 4 Frequency characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Connecting the speakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Package contents Thank you for choosing the Yamaha K-09 5. 1CH Speaker Package. Use 3. 5 to 4 mm (1/8") diameter self-tapping screws. Hang each speaker by its keyhole slots onto the protruding screws. Note · Make sure the shaft of the screw is seated in the narrow part of the keyhole slot. Otherwise, the speaker may fall. Center speaker: Place the center speaker centrally between the front speakers, facing directly forward. Wall/wall support 45 mm (1-3/4") Installing the subwoofer Place the subwoofer on the outside of either the right or the left front speaker, as shown in A and B. A B 6 mm (1/4") Minimum 20 mm (3/4") Warnings · Each speaker weighs 0. 45 kg (1 lbs. ). Do not mount the speakers on thin plywood or on a wall with a soft surface material. Otherwise, the screws may pull out of the surface and the speakers may fall, possibly damaging the speakers or causing personal injury. · Do not affix the speakers to a wall using nails, adhesives, or unstable hardware. Long-term use and vibration may cause the speakers to fall. [. . . ] Reposition the subwoofer, or break up parallel wall surfaces by placing bookshelves or other large objects along the wall. Specifications Front, center, and surround speakers (NS-B280) Type . . . . . . . . . . . Full-range acoustic-suspension speaker system non-magnetic shielding type Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. 5 cm (2-1/2") cone speaker Nominal input power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 W Maximum input power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 W Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Hz­40 kHz Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]