DS3 OM Cover iss1.indd - E-HiFi
Contents
1. Power handling Max recommended cable impedance Dimensions Net Weight Nautilus M tweeter Woven Kevlar brand fibre cone bass midrange 2 way closed box selectable dipole monopole surround system 1x 225mm 1 in aluminium dome high frequency 2x 280mm 3 in midrange high frequency 1x 130mm 5 in woven Kevlar cone bass midrange 6dB at 63Hz and 42kHz monopole mode 6dB at 63Hz and 15kHz dipole mode 85Hz 22kHz 3dB on reference axis monopole mode 85Hz 10KHZ 3dB power averaged over front hemisphere dipole mode Monopole mode within 2dB of reference response Horizontal over 40 arc Vertical over 10 arc Dipole mode horizontal figure of eight Effective null zone 20 250Hz 15kHz 89dB spl 2 83V 1m 2nd and 3rd harmonics 90dB 1m lt 1 130Hz 20kHz 8Q minimum 3 39 4KHz monopole mode 250HZz dipole mode 25W 100W into 8Q on unclipped programme 0 1Q Height 249mm 9 8 in Width 380mm 15 in Depth 153mm 6 in 5 2 kg 11 5 Ib B amp W Bowers 8 Wilkins B amp W Group Ltd Dale Road Worthing West Sussex BN11 2BH England T 44 0 1903 221800 F 44 0 1903 221801 info bwgroup com www bowers wilkins com B amp W Group UK Sales T 44 1903 221 500 E uksales bwgroup com B amp W Group North America T 1 978 664 2870 E marketing bwgroupusa com B amp W Group Asia Ltd T 852 2 869 9916 E info bwgroup hk Kevlar is a2. To validate your warranty you will need to produce the warranty booklet completed and stamped by your dealer on the date of purchase Alternatively you will need the original sales invoice or other proof of ownership and date of purchase Francais Manuel d utilisation Cher Client Nous vous remercions d avoir choisi Bowers amp Wilkins Nous sommes convaincus gue vous appr cierez l coute de vos enceintes acoustiques pendant de nombreuses ann es Nous vous invitons cependant lire tr s attentivement cette notice pr alablement a leur installation Vous en tirerez les enseignements n cessaires l optimisation de leurs performances B amp W entretient un r seau de distributeurs officiels dans plus de 60 pays ils sont en mesure de vous aider au cas o vous rencontreriez des difficult s que votre revendeur ne pourrait r soudre Information sur la protection de l environnement A Tous les produits B amp W sont con us en R e conformit totale avec les nouvelles normes internationales concernant I interdiction d utilisation de certaines substances dangereuses RoHs pour Restriction of Hazardous Substances dans les quipements lectriques et lectroniques ainsi que la possibilit de recyclage des mat riaux utilis s WEEE pour Waste Electrical and Electronic Eguipment Le symbole du conteneur a ordures barr par une croix indigue la compatibilit avec ces directives et le fait gue les appareils peuven
3. on the front face operate In dipole mode the front tweeter Is disconnected the two side firing drivers are brought into operation and the crossover frequency to the bass unit is lowered The side units are connected out of phase with one another which creates a wedge shaped null zone at right angles to the wall If the listeners sit within this zone they become less aware of the location of the speakers and hear more reflected sound hence the diffuse nature of the sound field Positioning Ascertain the optimum position for the speakers before permanently fixing them in place In order to successfully enable both modes of operation the speakers should be placed so that the listeners sit within the null zone of dipole operation 5 1 format figure 2 Place each of the speakers to the side and slightly behind the centre of the listening area 6 1 and 7 1 formats figure 3 We recommend the use of 4 surround speakers even when using a 6 1 format Place the side speakers in line with the centre of the listening area Place the rear speakers behind the listening area within the angle limits shown in the diagram All formats The surround speakers will normally be placed approximately 60cm 2 ft above ear height figure 4 Higher positions may be used if necessary Although the speaker can theoretically be fitted to the ceiling it is not recommended unless precautions are taken to prevent the speaker sliding off its m
4. registered trademark of DuPont Nautilus is a trademark of B amp W Group Ltd Copyright O B amp W Group Ltd E amp OE Printed in UK c 9NSSI Cort HII
5. BaW Bowers a Wilkins Home Theatre Surround Speakers DS3 Owner s Manual 4 amp wi Er j di 1 G am a J ani P l l rt nM WC LM Y NN Mass B ynu o hriza Mm Kurt A F Figure 1 Figure 2 Figure 3 Figure 4 60cm 2 ft Figure 5 Figure 6 B amp W Bowers a Wilkins ORC B amp W Bowers a Wilkins ORC DS3 DS3 100W 8 Q Serial No 0000001 100W 8 Q Serial No 0000002 B amp W Group Ltd B amp W Group Ltd Made in England Fabriqu en Angleterre Made in England Fabriqu en Angleterre Figure 7 je eo o cf joo Je SY LT of TT y Z D ebe Ebe Figure 11 Q SPEAKERS OUT R L DHO Figure 10 Figure 8 9 lt b o English Owner s manual Dear customer Thank you for choosing Bowers amp Wilkins We are confident that you will enjoy many years of listening pleasure from your speakers but please read this manual fully before installing them It will help you optimise their performance B amp W maintains a network of dedicated distributors in over 60 countries who will be able to help you should you have any problems your dealer cannot resolve Environmental Information A All B amp W products are designed to R e comply with international directi
6. ish to use an aerosol or other cleaner remove the grille first by gently pulling it away from the cabinet Spray aerosols onto the cleaning cloth not directly onto the product Test a small area first as some cleaning products may damage some of the surfaces Avoid products that are abrasive or contain acid alkali or anti bacterial agents Do not use cleaning agents on the drive units The grille fabric may be cleaned with a normal clothes brush whilst the grille is detached from the cabinet Avoid touching the drive units especially the tweeter as damage may result Limited Warranty This product has been designed and manufactured to the highest quality standards However if something does go wrong with this product B amp W Group Ltd and its national distributors warrant free of charge labour exclusion may apply and replacement parts in any country served by an official B amp W distributor This limited warranty is valid for a period of five years from the date of purchase or two years for electronics 3 including amplified loudspeakers Terms and Conditions 1 The warranty is limited to the repair of the equipment Neither transportation nor any other costs nor any risk for removal transportation and installation of products is covered by this warranty 2 This warranty is only valid for the original owner It is not transferable 3 This warranty will not be applicable in cases other than defects in materials and o
7. ounting B amp W cannot accept any responsibility should the speaker fall from a ceiling mount If the ceiling has a cavity construction the in wall version CDS3 is a better solution The speakers are handed in terms of which side the positive and negative dipole lobes are projected Indication is via an arrow on the label at the back of the speaker which points towards the positive lobe figure 5 To optimise the smoothness of sounds panning from the front of the room to the back and vice versa when speakers are used in dipole mode we recommend that the side speakers have their positive lobes arrows pointing towards the front of the room and the rear speakers have their positive lobes arrows pointing towards the centre of the rear wall figure 6 Stray magnetic fields The speaker drive units create stray magnetic fields that extend beyond the boundaries of the cabinet We recommend you keep magnetically sensitive articles television and computer screens computer discs audio and video tapes swipe cards and the like at least 0 5m 20 in from the speaker LCD and plasma screens are not affected by magnetic fields Connections figure 7 All connections should be made with the eguipment switched off Ensure the positive terminal on the speaker marked and coloured red is connected to the positive output terminal of the amplifier and negative marked and coloured black to negative Incorrect connection can res
8. r workmanship at the time of purchase and will not be applicable a for damages caused by incorrect installation connection or packing b for damages caused by any use other than correct use described in the user manual negligence modifications or use of parts that are not made or authorised by B amp W c for damages caused by faulty or unsuitable ancillary eguipment d for damages caused by accidents lightning water fire heat war public disturbances or any other cause beyond the reasonable control of B amp W and its appointed distributors e for products whose serial number has been altered deleted removed or made illegible f if repairs or modifications have been executed by an unauthorised person 4 This guarantee complements any national regional law obligations of dealers or national distributors and does not affect your statutory rights as a customer How to claim repairs under warranty Should service be required please follow the following procedure 1 If the equipment is being used in the country of purchase you should contact the B amp W authorised dealer from whom the equipment was purchased 2 f the equipment is being used outside the country of purchase you should contact the B amp W national distributor in the country of residence who will advise where the eguipment can be serviced You can call B amp W in the UK or visit our web site to get the contact details of your local distributor
9. screw positions The outside dimensions of the template correspond to the rear of the cabinet Stick 4 of the clear self adhesive rubber pads to the rear panel of each speaker one close to each of the small bumps in the corners These stop the speaker vibrating against the surface and help keep it in position figure 9 Adjust the protrusion of the screws such that the rubber pads are a friction slide on the surface when the wall plates are hooked over the screw heads figure 10 Always check and ensure that e All the screws slide right to the ends of the slots in the wall plates e Screw protrusion is adjusted so that the rubber pads provide enough friction to prevent the speakers sliding out of position The cable may be routed in the grooves in the rear panel Shelf mounting is not recommended as the moulded cabinet has a draft taper and will lean forward Mode selection figure 11 Use the switch on the front baffle to select between monopole and dipole modes In the position the speaker is monopole and in the position it is dipole Experiment to find the settings best suited to your requirements Typical combinations are e All Surround speakers monopole e Side speakers dipole rear soeakers monopole e All Surround speakers dipole It would be unusual but not impossible to set side speakers to monopole and rear speakers to dipole Aftercare The cabinet surfaces usually only require dusting If you w
10. t tre correctement recycl s ou trait s dans le respect total de ces normes Deballage figure 1 e Repliez totalement les rabats du carton puis retournez l emballage avec son contenu e Videz le carton de son contenu et sortez l enceinte de l emballage interne Nous vous sugg rons de conserver emballage pour une utilisation ult rieure Fonctionnement La DS3 est sp cifiquement con ue comme enceinte murale Surround pour les applications audio multicanal et les installations Home Cinema Les enceintes arri re Surround sont g n ralement de deux types celles que l on peut qualifier de normales ou monop les dont le son est mis partir d un jeu de haut parleurs mont s sur un baffle avant traditionnel et celles con ues pour fournir un son plus large et plus diffus telles les enceintes dip les Chaque type a ses avantages La plupart de la musique multicanal est enregistr e en gardant I esprit une utilisation grand public et donc des enceintes classiques a mission par l avant quel que soit le format d enregistrement multicanal Cela permet une meilleure localisation des images lat rale et arri re la formation de telles images n tant jamais aussi pr cise que celle pr sente entre les enceintes avant Technical Features Description Drive units Frequency range Frequency response Dispersion Sensitivity Harmonic distortion Nominal impedance Crossover frequencies
11. the auditorium are used to create the surround sound field In that case there are more surround speakers than there are discrete channels of information and a less precise image is created that gives an all enveloping effect Dipoles and similar diffuse speakers are better at recreating this type of sound field in the home but using fewer speakers to do it lmage positioning with these types of speaker is never as precise as it can be with monopoles 2 However they do have the advantage of making it easier to balance the system for a larger listening area You may well receive conflicting advice from different sources on the best type of surround speaker to use The truth is that there is no one perfect solution for all situations and the final choice for any given application will be influenced by several criteria some of which may have a degree of conflict The DS3 has the advantage of offering a choice of both monopole and dipole operation via a switch located on the front baffle behind the removable grille You may therefore choose whichever type of operation best suits the conditions of the listening room the size of audience and the type of programme being played Indeed you may even change the characteristic for different types of programme and as the total energy into the room is the same in both modes no recalibration of the installation is necessary when switching between them Im monopole mode only the two drive units
12. ult in poor imaging and loss of bass The terminals accept 8mm 5 16 in spades bared wire ends or round pins up to 5mm 3 16 in diameter and 4mm banana plugs Important safety notice In certain countries notably those in Europe the use of 4mm banana plugs is considered a potential safety hazard because they may be inserted into the holes of unshuttered mains supply sockets In order to comply with European CENELEC safety regulations the 4mm holes in the ends of the terminals are blocked by plastic pins Do not remove the pins if you are using the product where these conditions apply Always screw the terminal caps down tightly to optimise the connection and prevent rattles Ask your dealer for advice when choosing cable Keep the total mpedance below the maximum recommended in the specification and use a low inductance cable to avoid attenuation of the highest freguencies Fixing the speaker in place The speakers may be fixed to a wall using screws in the range 5mm to 6mm diameter No 10 to No 12 On the back of the cabinet are three wall plates The screw head should be inserted into the round part of the aperture and slid fully along one of the slots figure 8 Ensure especially when fixing to drywall panels that the screw length and wall plug security are sufficient to hold the weight of the speaker B amp W can accept no liability for any failure of wall or ceiling fixings Use the template provided to mark the
13. ves on the Restriction of Hazardous Substances RoHS in electrical and electronic eguipment and the disposal of Waste Electrical and Electronic Equipment WEEE These symbols indicate compliance and that the products must be appropriately recycled or processed in accordance with these directives Consult your local waste disposal authority for guidance Unpacking figure 1 e Fold the carton flaps right back and invert the carton and contents e Lift the carton clear of the contents and remove the inner packaging from the speakers We suggest you retain the packing for future use Operation The DS3 is specifically designed as an on wall Surround speaker for multi channel audio and home theatre installations Surround speakers generally fall into two main types those that one might describe as normal speakers so called monopoles where the sound comes from a set of drive units mounted on the front of the enclosure and those that give a more diffuse sound field such as dipoles Each type has its advantages Most multi channel music is recorded with home entertainment in mind and is monitored using monopole surround speakers whatever the multi channel recording format This enables better location of side and rear images although the formation of such images is never quite as precise as it is between the front speakers Most films are originally balanced for cinemas where a large number of speakers spread around
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