User manual YAMAHA NS-355

[. . . ] 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". [. . . ] 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 prevent the enclosure from warping or discoloring, do not place the speaker where it will be exposed to direct sunlight or excessive humidity. 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. Placing the speaker on the same shelf or rack as the turntable can result in feedback. As these speakers contain strong magnets, avoid placing watches, magnetic tapes, etc. Remove your finger from the tab to allow it to lock snugly on the cable's wire end. Test the security of the connection by tugging lightly on the cable at the terminal. Speaker (R) Blue line Speaker (L) Blue line R L Blue line Speaker output terminals of the amplifier Note Do not let the bare speaker wires touch each other as this could damage the speaker and/or the amplifier. SETTING UP THE SPEAKERS s Mounting the speakers on a wall The speakers may be mounted on a wall by using the holes provided on the speakers' back panels. Fasten wood screws into a firm wall or wall support as shown in the diagram, and hang the holes on the protruding screws. The holes on the speaker's back panels are arranged so that the speakers can be mounted in either of the two configurations shown by the following figures. Upright configuration 100 mm WARNING: * Each speaker weighs 2 kg (4 lbs. Do not mount them on thin plywood or soft wall surface material, as the screws may come out of the flimsy surface, causing the speakers to fall down and be damaged, or result in personal injury. * Do not fasten the speakers to walls with nails, adhesives, or other unsound hardware. Long-term use and vibrations may cause them to fall down. * To avoid accidents resulting from tripping over loose speaker cables, fix them to the wall. Side long configuration Holes 100 mm SPECIFICATIONS Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 way Bass-Reflex type Speaker Unit. . . . . . . . 10 cm paper cone woofer (JA1075) 2. 5 cm paper cone tweeter (JA05S4) Input Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Push-type Nominal Impedance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 ohms Frequency Response . . . . . . . . . . . 80 Hz ­ 20 kHz (­10 dB) Nominal Input Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50W Music Input Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200W Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 dB/w/m Crossover Frequency Tweeter (Low Cut) . . . . . . . . . . . . . . . . . . . . . . . . . . 6 kHz, 6 dB/oct. [. . . ] * To avoid accidents resulting from tripping over loose speaker cables, fix them to the wall. Side long configuration Holes 100 mm SPECIFICATIONS Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 way Bass-Reflex type Speaker Unit. . . . . . . . 10 cm paper cone woofer (JA1075) 2. 5 cm paper cone tweeter (JA05S4) Input Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Push-type Nominal Impedance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 ohms Frequency Response . . . . . . . . . . . 80 Hz ­ 20 kHz (­10 dB) Nominal Input Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50W Music Input Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200W Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 dB/w/m Crossover Frequency Tweeter (Low Cut) . . . . . . . . . . . . . . . . . . . . . . . . . . 6 kHz, 6 dB/oct. Dimensions (WxHxD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 mm x 297 mm x 100 mm (8-1/4" x 11-1/16" x 3-15/16") Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kg (4 lbs. [. . . ]