Yamaha NS-B40 Owner's Manual

Also see for NS-B40: Owner's manual Owner's manual Owner's manual Owner's manual Owner's manual

Contents

i EnEnglishPlease read the following operating precautions before use. Yamaha will not be held responsible for any damage and/or injurycaused by not following the cautions below.1. To assure the finest performance, please read thismanual carefully. Keep it in a safe place for futurereference.2. Install the speakers in a cool, dry, clean place – awayfrom windows, sources of heat, sources of excessivevibration, dust, moisture or cold. Avoid sources ofelectrical humming (e.g., transformers and motors). Toprevent fire or electric shock, do not expose thespeakers to rain or water.3. To prevent the enclosure from warping or discoloring,do not expose the speakers to direct sunlight orexcessive humidity.4. Avoid installing the speakers where foreign objects mayfall onto them and/or where they may be exposed toliquid dripping or splashing.5. Do not place the following objects on top of the speakers:– Other components, as they might damage or discolorthe surface of the speakers.– Burning objects (e.g., candles), as they might causefire, damage to the speakers or personal injury.– Containers of liquid, as they might spill and causeelectric shock to the user or damage to the speakers.6. Do not place the speakers where they are liable to beknocked over or struck by falling objects. Stableplacement will also ensure better sound performance.7. Placing the speakers on the same shelf or rack as theturntable can result in feedback.8. Any time you note distortion, reduce the volume controlon your amplifier to lower setting. Never allow youramplifier to be driven into “clipping”. Otherwise, thespeakers may be damaged.9. When using an amplifier with a rated output powerhigher than the nominal input power of the speakers,care should be taken not to exceed the maximum inputof the speakers.10. Do not attempt to clean the speakers with chemicalsolvents as this might damage the finish. Use a clean,dry cloth.11. Do not attempt to modify or fix the speakers. Contactqualified Yamaha service personnel when service isneeded. The cabinet should never be opened for anyreason.12. Be sure to read the “Troubleshooting” section regardingcommon operating errors before concluding that thespeakers are faulty.13. Secure placement or installation is the owner’sresponsibility. Yamaha is not liable for accidentscaused by improper placement or installation ofspeakers.For NS-SWP401. Never put a hand or a foreign object into the portlocated on the right side of this unit. When moving thisunit, do not hold the port, as it might cause personalinjury and/or damage to this unit.2. When using a humidifier, be sure to avoid condensationinside this unit by allowing enough space around theunit and avoiding excess humidification. Condensationmight cause fire, damage to the unit, and/or electricshock.3. Super-bass sound reproduced by this unit may cause aturntable to generate audio feedback. In this case, movethe unit away from the turntable.4. This unit may be damaged if certain sounds arecontinuously output at high volume level. For example,if 20 Hz–50 Hz sine waves from a test disc or basssounds from an electronic instrument, etc. arecontinuously output, or if a turntable stylus touches thesurface of a disc, reduce the volume level to prevent theunit from being damaged.5. If you hear distorted noise (i.e., unnatural, intermittent“rapping” or “hammering” sounds) from this unit,reduce the volume level. Extremely loud moviesoundtrack low frequency, bass-heavy sounds, orsimilarly loud popular music passages can damage thisunit.6. Vibration generated by super-bass sound may distortimages on a TV. In this case, move the unit away fromthe TV set.PrecautionsThis unit’s speakers use magnets. Do not place items thatare sensitive to magnetism, such as CRT-type TVs,clocks, credit cards, floppy disks, etc., on or beside thisunit.Information for users on collection and disposal of oldequipment:This symbol on the products, packaging, and/or accompanying documents means that usedelectrical and electronic products should notbe mixed with general household waste.For proper treatment, recovery and recyclingof old products, please take them to applicablecollection points, in accordance with yournational legislation.By disposing of these products correctly, youwill help to save valuable resources andprevent any potential negative effects onhuman health and the environment whichcould otherwise arise from inappropriatewaste handling.For more information about collection andrecycling of old products, please contact yourlocal municipality, your waste disposal serviceor the point of sale where you purchased theitems.For business users in the European Union:If you wish to discard electrical and electronicequipment, please contact your dealer orsupplier for further information.Information on Disposal in other Countriesoutside the European Union:This symbol is only valid in the EuropeanUnion. If you wish to discard these items,please contact your local authorities or dealerand ask for the correct method of disposal.