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Фрагмент инструкции
These loudspeakers have been designed to produce a high standard of sound reproduction at an affordable price. Although suitable for use with any good quality hi-fi equipment, the speakers are an excellent sonic and physical match for the rest of the Arcam range of hi-fi electronics. Installation Instructions Positioning For optimum results these speakers should be positioned 15 to 40cms from a rear wall and at least 60cms (2 feet) from any side wall. The final sound will of course depend on the acoustics of the listening room, and experimentation with speaker positioning and furnishings is definitely worthwhile. As a starting point we suggest that the speakers should be placed 2.4-3m (8-10 feet) apart with their backs lOcms (4 inches) from the rear wall. The bass output may then be raised or lowered by moving the speakers closer to or further away from the wall. Toemg-in the speakers, so that their axes cross just in front of the listener may also be beneficial to treble balance and stereo imagery. The more rigidly a speaker is held, the better it will sound. On floor standing models (886, 888) we recommend fitting the threaded spikes provided into the loudspeaker base. For best performance, the smaller 882, 884 models should be used on stands wherever possible. Use rigid metal stands of30-60cms (12-24 inches) height. Properly damped types that do not "ring" when tapped with a pencil, either by virtue of construction, or by filling with dry silver sand, will bring out the best in the loudspeaker. It is also possible to obtain a good sound balance when shelf mounting. The rear of the loudspeakers should be no less than 5cm from the wall to allow free flow of air from the reflex port and it should be mounted at least 4cm from a comer and 60cm from the floor (these distances may be interchanged if more convenient). Speaker Cables The speakers should be connected to the amplifier using good quality, high purity copper cables with a cross sectional area of at least 1mm2 per conductor. Solid core cables or those with surface only conductors are particularly suitable. Bell wire and very cheap or giveaway speaker cables should be avoided - they are a false economy and can badly degrade the sound quality. Neither do we recommend the use of fat, heavily stranded cables, as these often impart a harsh and hashy sound to the system. The cable runs to the two speakers should be of roughly equal length and yet as short as practicable ( a long run of speaker cable always sounds worse than a short one). The usual care should be taken over speaker phasing. Both loudspeakers should be connected to the amplifier with the same phase (black to black and red to red). All speaker cables will be colour coded or have some physical identification (such as a small "nb" along one wire) to aid correct phasing. Bi-wiring Bi-wiring loudspeakers is a cost effective way of improving the sound quality of hi-fi system. The bi-wiring principle involves electrically isolat...
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