Niles Audio DS6300AT User's Manual
Contents
1. ri Es p r EO ri ra cD em Speaker Location Volume Control Location Location Figure 8 allel to power cables at least three feet away To find exactly where an electrical cable is routed try inspecting the inside of the wall by turning off the breaker for a particular power outlet or switch remov ing the cover plate and switch or recepta cle and shining a penlight into the wall If you have access to an attic or basement space you can quickly see which part of the wall space is free of obstructions See Figure 9 Unobstructgd space for speaker wiring Figure 9 When you don t have access above or below the wall try to estimate the existing wire and pipe locations from the positions of electrical outlets and plumbed fixtures on both sides of the wall Take a look at the outside of your house too sometimes conduit vents or drain pipe will be visible that give useful infor mation Choose the route with the fewest potential obstacles If your house is built on a slab or you are wiring between two finished floors look for baseboards which could be removed and replaced with the wire behind them Doorjambs can be removed and often have enough space for speaker wire all the way around the door See Figure10 Sometimes an under the carpet run is possible there are special flat speaker wires made for under the rug wire ru2. 1 fluid cooled ultra wide dispersion tri laminate Teteron dome tweeter in a patent pending low diffraction pivoting mount 17 pivot angle Recommended Amplifier Power 10 to 150 watts per channel Tone Controls Bass jumper flat 1dB and 2dB Baffle mounted Treble controls 1 5dB flat and 1 5dB Nominal Impedance 4 or 8 ohm selectable Frequency Response 48Hz to 22kHz 3dB on axis Sensitivity 89dB for 2 83 volts of Pink Noise Overall Exterior Frame Dimensions 9 7 8 diameter Depth Behind Wall 6 deep based on 1 2 drywall Hole Cut Out Dimensions 8 5 8 diameter Wiring Requirements Patented two piece no strip speaker wire terminal accommodates 12 18 gauge wire We recommend 16 18 gauge stranded wire for up to 80 feet 14 gauge stranded wire for up to 200 feet DS6500AT Driver Compliment 6 1 2 carbon glass fiber woofer with short ing ring and butyl rubber surround in an integrated patent pending pivoting mount 15 pivot angle eva ns r ca mt ca DS ri em 1 fluid cooled ultra wide dispersion aluminum dome tweeter in a patent pending low diffrac tion pivoting mount 17 pivot angle Recommended Amplifier Power 10 to 200 watts per channel Tone Controls Bass jumper flat 1dB and 2dB Baffle mounted Treble controls 1 5dB flat and 1 5dB Nominal Impedance 4 or 8 ohm selectable Frequency Response 45Hz to 25kHz 3dB on axis S
3. em ri a r EO ri E cD c ew a z ca ew Installation in New Construction Insulating the Ceiling Cavity If feasible fill the ceiling cavity with insu lation at this point Mounting the New Construction Bracket The hole saving bracket enables a faster and cleaner final installation of the speak er It forces the drywall installer to cut out the speaker hole for you and provides wire ties for the speaker wire reducing the risks of accidental loss or movement of the wire In addition it enables you to align your speakers with other ceiling fixtures with great accuracy since you can really see exactly where the speaker will be To install the bracket first attach the QuickSnap new construction wings to the bracket by snapping them into the sides of the bracket The wings can be shortened by breaking them along the scored lines if the length will interfere with corner or eaves Figure 12 The wings and brackets have centering lines to simplify placement of the speakers Screw one side of the assembled bracket with wings to the joist using one of the supplied screws Level the bracket Screw the other side of the bracket wing assem bly to the joist Two screws on each side make for a very secure installation Secure the wire to the bracket using bracket s wire tie The drywall installers will cut the drywall to the exact size of the bra
4. connector has properly pierced the wire See Figure 16 so Q ome ome Q SELECT Figure 16 No Strip Speaker Wire Terminal 6 The DS6300AT and DS6500AT feature a separate frame assembly which installs with four clamps or mounting dogs which hold the frame in place The dogs are tightened via four front baffle screws Tighten the dogs by turning the screws clockwise DO NOT OVER TIGHTEN THESE SCREWS Over tight ening the clamps may make the grille difficult to install See Figure 17 NOTE The screws will turn easier if you prime them first Before installing each speaker turn the screws in and then turn them back out to their original positions 7 Insert the No strip terminal into the corresponding socket on the rear of the speaker Push it down until it locks in place The terminal will only fit in the socket in one direction If the terminal does not properly seat reverse the ter minal Figure 15 Setting the Impedance jumper Figure 17 Tightening the mounting dogs Figure 18 Installing the speaker 8 Holding the speaker in the palm of your hand insert the speaker into the frame twist clockwise to lock See Figure 18 9 Direct the Tweeter The tweeter is directed by gently pushing on the edge of the tweeter housing See Figure 19 It will move 17 in any direction For critical listening point the tweeter to the user s favorite listening posi
5. ening can distort the shape of the frame holding the grille in place d xum dB 2dB TO og Figure 20 Directing the woofer Figure 21 Setting the bass jumper Eh ea Ba Eso o er Pr ea ja Ei c ea mta ca ew AEDT Operation Listening at Higher Volumes It requires more power to achieve a reason able volume of sound in a large room than it does in a small room It is possible even if you are not a teenager to turn the volume so high that the amplifier runs out of power This creates clipping distortion Clipping distortion makes treble sound very harsh and unmusical When you hear harsh sounding treble from any good speaker turn the volume down immedi ately Those harsh sounds are masking some much more powerful ultra high fre quency sound spikes which will quickly damage any fine loudspeaker You are much less likely to damage a speaker with a large amplifier because it will be very loud indeed before it produces any clip ping distortion Cleaning You can clean the speaker with a damp ened soft cloth or paper towel If the speaker is mounted high up on a wall or ceiling use a broom to gently brush it off specifications DS6300AT Driver Compliment 6 1 2 carbon glass fiber woofer with short ing ring and butyl rubber surround in an integrated patent pending pivoting mount 15 pivot angle
6. tastes Please check all that apply U Alternative Li Classical U Country Jazz U New Age Popular OR amp B Rock Other How did you hear about Niles Architect Developer U Custom Installer Q Direct Mail Friend Family In Store Display A Interior Designer U Magazine Ad U Mail Order Catalog U Newspaper Ad U Product Brochure U Product Review U Retail Salesperson What magazines do you read Who will install the product Custom Installer Electrician Friend Myself Which factor s influ enced the purchase of your Niles product Please check all that apply Ui Ease of Use Ui Price Value Product Features U Quality Durability Reputation Ui Style Appearance Warranty Doyou U Own a House If yes how many square feet U Own a Town House Condominium Co op Rent an Apartment Rent a House Are you interested in receiving literature on other Niles products U Yes U No Are there products capabilities that you would like to see introduced DETACH HERE AND RETURN TO Niles Audio Corporation Warranty Registration Dept P O Box 160818 Miami Florida 33116 0818 Limited Warranty Niles Audio Corporation NILES warrants its loudspeaker products to the original purchaser to be free of manufacturing defects in material and workmanship for a period of five years from date of purchase This Warranty is subject to the following additi
7. wire creating a right angle leaving 4 3 4 this allows for the extra width of the mounting dogs Poke the L shaped wire into the pilot hole and turn it in a complete circle and move it into the ceiling cavity to make sure you have approximately 6 of depth If the wires movement is obstructed by any thing fill the hole s with spackle and try another location See Figure 14 4 If the coat hanger moves freely in a complete circle hold the supplied tem plate up to the ceiling surface Outline the circular cutout on the ceiling sur face with a pencil Drill starting point with a 1 4 bit 5 If you are cutting drywall use a sheetrock or keyhole saw Cut the hole with the saw at a 45 angle That way the drywall section can be replaced cleanly if there is an unseen obstruction behind the wall BE VERY CAREFUL NOT TO SAW THROUGH EXISTING WIRES PIPES OR STRUCTURE IF YOU FEEL EXTRA RESISTANCE AS YOU ARE CUTTING STOP 6 If you are cutting into a plaster ceiling use masking tape to outline your pen ciled circle and use a razor to score the plaster down to the lath beneath Then use a chisel to remove all of the plaster within the taped outline To actually cut the lathe two methods are used profes sionally sawing with a metal cutting blade on a sabre saw is the quickest and the riskiest Sawing a lathe with a sabre saw can easily vibrate plaster off the ceiling in a completely distant loca tion creating more p
8. Effect Corners can affect the bass response of the speaker powerfully This is called the boundary effect You will emphasize par ticular bass frequencies and cancel out other bass frequencies when you place speakers close to the wall ceiling bound ary or a corner wall boundary This can make the speaker sound excessively boomy and inaccurate to some listeners while to others it just seems like more bass sound A good rule of thumb is if you always listen to your current pair of speak ers with the bass turned up you ll enjoy corner placement If you keep your tone controls at neutral try to keep the speak ers at least two or three feet from the boundaries of the room Figure 5 Varying Listening Position Figure 6 Surround Sound Em EB a ED 53 m a Es EB 5 EB ri a p r S EO ri ra ew _ em Installation Fundamentals Running the Speaker Wire in New Construction If you have doubts about whether you are capable of installing a Niles ceiling mount loudspeakers consult a Niles dealer or professional installer They have special tools techniques and experience to make the impossible possible The installer can provide you with an estimate before any work is done Scheduling and Preparation Plan to schedule the speaker wiring afte
9. INSTALLATION amp OPERATION GUIDE DIRECTED SOUNDFIELD DIRECTED SOUNDFIELD it NILES o BLENDING HIGH FIDELITY AND ARCHITECTURE Congratulations Thank you for choosing a Directed Soundfield Ceiling Mount Loudspeaker from Niles With proper installation and operation you ll enjoy years of trouble free use Niles manufactures the industry s most complete line of custom installation components and accessories for audio video systems For a free full line catalog write Niles Catalog Request P O Box 160818 Miami Florida 33116 0818 TABLE OF CONTENTS INTRODUCTION 2 FEATURES AND BENEFITS 2 INSTALLATION CONSIDERATIONS 4 SPEAKER PLACEMENT 6 INSTALLATION FUNDAMENTALS 9 INSTALLATION IN NEW CONSTRUCTION 13 INSTALLATION IN EXISTING CONSTRUCTION 14 FINAL INSTALLATION IN NEW OR EXISTING CONSTRUCTION 15 OPERATION 17 SPECIFICATIONS 18 WARRANTY REGISTRATION CARD 21 LIMITED WARRANTY 22 Introduction Niles new DS Directed Soundfield loud speakers feature a fully adjustable inde pendently pivoting woofer and tweeter that enables the loudspeakers to accu rately recreate high fidelity sound regardless of where they are located in Features and Benefits Fully pivoting woofer and tweeter A pivoting woofer assembly can adjust up to 15 focusing bass and midrange tones directly at the listening area for superb imaging and unparalleled clarity Within the woofer assembly the twee
10. NTABILITY OR FIT NESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PRODUCT REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE CONSUMER PURCHASER NILES SHALL NOT BE RESPONSIBLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EXCEPT TO THE EXTENT PROVIDED OR PROHIBITED BY APPLICABLE LAW Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state For the name of your nearest authorized NILES dealer contact NILES AUDIO CORPORATION P O BOX 160818 Miami Florida 33116 0818 Please fill in your product information and retain for your records Model Serial No Purchase Date 5 eo as n3 e NILES www nilesaudio com Niles Audio Corporation 12331 S W 130 Street Miami Florida 33186 Tel 305 238 4373 Fax 305 238 0185 Printed in Brazil CCEA ce CHARTER an co cs MEMBER O 2002 Niles Audio Corporation All Rights Reserved Niles the Niles logo and Blending High Fidelity and Architecture are registered trademarks of Niles Audio Corporation All other trademarks are the property of their respective owners Because we constantly strive to improve our products Niles reserves the right to change product specifications without notice The technica
11. adjoining walls will act as a powerful reflector Direct the tweeters so that sound is pointed away form the listener creating still more reflections and thus more sur round sound effect However as you move the speaker farther away from the listener both the reflected and the direct sound will dissipate requiring more power from your surround sound amplifier channels If the surround sound system you are using has a small five or ten watt amplifier for the rear speakers stay within five to eight feet of the listening location If you are using a 25 to 50 watt amplifier you can mount the speakers 10 to 15 feet away from the listening location and still achieve reasonably high volume levels In large or unusually shaped rooms this might be the only way to achieve a good effect If you like to listen to music sur round modes which emulate concert hall acoustics more than two surround speak ers will prove extraordinarily effective See Figure 6 With Niles DS6300AT and DS6500AT loudspeakers it is easy to add another pair without affecting the decor of the room However you will need to use a much more powerful ampli fier than that which is built into a typical surround sound receiver or amplifier Niles makes a number of Systems Integration Amplifiers with proprietary fea tures that make them uniquely suited to enhance a good surround sound system Consult your local Niles dealer for more information The Boundary
12. atchwork If you have the patience use a pair of tin snips to slowly nip away at the lath instead There is little risk with this method it is just time consuming ri en qm as ma ew __ Ee zz _z eza i i c eo ri e qria ca o i a ma em 3 Eu r ED Pr ea ki c ca e ca i Final Installation in New or Existing Construction 1 If it is possible to lay a batt of insulation into the ceiling cavity do so Remember to use equal amounts of insulation for each speaker Check the position of the Impedance jumper on the crossover PC board Choose the 4 ohm position if you are using an amplifier capable of driving a 4 ohm load and you have only one pair of speakers connected Otherwise use the 8 ohm position See Figure 15 Separate the speaker wire so that at least two inches of each conductor are free Open the no strip terminal by applying pressure to the red and black levers until an audible click is heard Insert one unstripped wire fully into the black and one into the red terminal Pay attention to the markings on the wire Each speaker must be connected to the amplifier in the same way Squeeze the red and black levers until they click sig nifying that they have locked into the wire Check to make sure that the knife assembly inside the no strip
13. cket See Figure 12 Concealing Speaker Wire for a Future Installation Attach the speaker wire in a loop between the ceiling joists and carefully mark the exact location of the wire on a set of plans Ask the general contractor to inform the drywall installers that the speaker wire loops are concealed for future installa tions See Figure 13 Figure 13 i a The optional hole saving brackets are installed and the speaker wire is attached to the bracket The speaker wire is looped and hung on two nails attached to the joists securing it for future use Make sure the location is noted on house plans Installation in Existing Construction IMPORTANT Before you cut into any wall review the sections on running wire and speaker placement 1 When determining the location of the speaker cutout keep in mind that the mounting dogs will extend 3 4 beyond the cutout make sure that you do not place the edge of the cutout directly next to a ceiling joist Locate the joists using a stud sensor or hand knocking 2 Once you have determined a possible position for the cutout drill a 1 8 pilot hole just barely through the ceiling 1 2 to 5 8 deep in most homes about an inch below the center of your proposed speaker location BE VERY CAREFUL NOT TO DRILL THROUGH EXISTING WIRES PIPES OR STRUC TURE IF YOU FEEL ANY EXTRA RESIS TANCE AS YOU ARE DRILLING STOP 3 Cut a foot long piece of coat hanger Bend the
14. dimmers Volume con trols are connected in line with the speak er so you must connect the wire from the amplifier to the volume control and then from the volume control to the speaker Speaker Wire Use 2 conductor speaker wire when con necting DS6300AT and DS6500AT speakers to your receiver or amplifier For most applications we recommend you use 16 or 18 gauge stranded wire For wiring runs longer than 80 feet we recom mend 14 gauge stranded wire The no strip terminals of the DS speakers will accommodate 12 to 18 gauge wire When you run wire inside walls special jacketing CL 2 or CL 3 is required to both protect the wire and for fire preven tion In some areas conduit is required For a trouble free installation low voltage wire such as speaker wire must be run in accordance with the National Electrical Code and any applicable provisions of the local building code If you are unsure of the correct installation techniques wire jacket or type of conduit to use consult a TECH TIP Wire size is expressed by its AWG American Wire Gauge number The lower the number the larger the wire i e 12 AWG is physi cally larger than 14 AWG professional audio video installer your building contractor or the local building and inspection department Incorporating Remote Control If your stereo system operates with a wire less Infrared IR remote control consider the advantages of installing a Niles Infrared Ex
15. e Installer Selectable Acoustic Fine Tuning Installers can select to fine tune the bass or treble to accommodate reflective surfaces and corner loading This selection is accomplished via the baffle mounted tre ble control 1 5dB flat and 1 5dB and PC board mounted bass jumper flat 1dB and 2dB 4 or 8 ohm Selectable Impedance The DS6300AT and DS6500AT give the installer flexibility to select the speaker s impedance 4 ohms for systems where maximum current transfer and output level is desired 8 ohms for systems utiliz ing multiple speaker pairs where amplifier loading is a consideration MicroPerf Grilles The DS6300AT and DS6500AT employ Niles exclusive MicroPerf grille construc tion The exceptionally tight hole pattern provides acoustic transparency at all audio frequencies and enables the speaker ele ments to remain invisible MicroPerf grilles can also be painted to blend seem lessly with the surrounding decor A cD r ja r em c5 ri I_2 s eo ew h eza a cD r ja r r eza ri 2 Es laz cD n e eza Easy Installation The DS6300AT and DS6500AT employ a bracketless mounting system in existing ceilings Simply cut a hole in the mount ing surface install the frame by tighten the four mounting dogs via the front panel screws The dogs first swivel 90 then clamp the speaker frame to the drywall as you tighten
16. ensitivity 89dB for 2 83 volts of Pink Noise Overall Exterior Frame Dimensions 9 7 8 diameter Depth Behind Wall 6 deep based on 1 2 drywall Hole Cut Out Dimensions 8 5 8 diameter Wiring Requirements Patented two piece no strip speaker wire terminal accommodates 12 18 gauge wire We recommend 16 18 gauge stranded wire for up to 80 feet 14 gauge stranded wire for up to 200 feet saz DETACH HERE os eee hea ee wane eee DL ea eles PLEASE FILL OUT THE WARRANTY REGISTRATION CARD ON THE REVERSE SIDE DETACH AND MAIL TO Niles Audio Corporation Warranty Registration Dept P O Box 160818 Miami Florida 33116 0818 N NILESe WARRANTY REGISTRATION CARD Model Purchased Serial Number Date Purchased month day year Dealer Name and Location Dr Miss Mr Mrs Ms Name Address City State Zip Telephone Please take a moment to fill out our warranty registration card The information helps us to get to know you better and develop the products you want Age Under 25 25 34 35 44 45 54 155 amp over Income Ui Under 24 999 A 25 000 34 999 35 000 44 999 Ll 45 000 59 999 Ll 60 000 74 999 0 75 000 99 999 Over 99 999 Occupation Arts Entertainment A Business Owner Engineer O Finance Accounting A General Office U Management O Professional O Sales Marketing A Student U Tradesperson Musical
17. er so they create as much reflected sound as possible you emphasize the ambient effect The more reflected sound there is in the room the stronger the ambient effect at low volumes You should use moderation however oth erwise the compromise becomes too one sided and at high volumes the sound will be blurred and less distinct Placement for Home Theater Rear Applications In a home theater the goal is to reproduce the experience of a great movie theater in our homes The biggest difference between the two is the rear or surround speaker array in a commercial theater Here it is not uncommon to see twenty or thirty speakers around the audience This huge array of speakers assures that you will feel completely surrounded by the ambient soundtrack of the movie Film makers try to use the surround soundtrack to enve lope you in the environment on screen They will place background music rain sounds traffic noise etc on the surround soundtrack In a home with a single pair of speakers it is easy for the jungle sounds to sound like they are in the middle of your head just like headphones A single pair of DS6300AT and DS6500AT Loudspeakers properly placed can create a very convincing simulation of an array of speakers If you place them near a hard reflecting surface you can make one pair of speakers sound like several Create as many reflections as possible by placing the speakers near a corner so that the
18. esponse opeaker Placement Introduction Although the DS6300AT and DS6500AT have extensive ability to compensate for unusual placements with their unique piv oting woofers tweeters and acoustic fine tuning switches placement is still the pri mary tool for satisfying your particular lis tening needs In this section we discuss how speakers should be placed and how woofers and tweeters should be directed and how the acoustic fine tuning switches should be set for different purposes Placement for Critical Listening If you like to imagine that the band or orchestra is playing in front of you as you listen to music or you are very conscious of clarity detail and the textures of the individual instruments or you listen criti cally to movie soundtracks or music videos in your home theater you will need your speakers placed so that they are optimized for critical listening Here are some guidelines to make the process of placement quick and easy Critical Make sure the sound will not be blocked or reflected off of furniture or other objects You should have a direct line of sight with the front of the speaker To determine the best position measure the listening distance between the ideal lis tening position your favorite chair or couch and the location in which you plan to install the speakers Try to place the speakers so that they are equally distant from your listening spot and at least one half of the lis
19. ey must insulate the house from the heat and cold outside so they are stuffed with insulation The national building code requires that the hollow wall space in exterior walls be broken by a horizontal stud placed between the vertical studs This fire blocking makes it very difficult to retrofit long lengths of wire In some areas of the country the exterior walls are constructed of solid masonry and have no hollow space for speakers or wires Start by examining all the possible routes you might take to run the speaker wire from the speaker to the volume control and back to the stereo Use a stud sensor or other device to locate the internal struc ture of the wall You want to avoid all studs or joists A typical route would be from the speaker location in the ceiling across the attic then down through a top plate the horizontal 2x4 or 2x6 laid across the vertical studs to the volume control location back up to the attic across the attic and finally down another wall plate to a J Box in the wall behind the stereo system itself See Figure 8 Identify where all of your electrical phone and TV wiring is likely to be and plan to route around it all You can acci dentally induce 60Hz hum on your speak ers if you run your speaker wire right beside electrical wire for more than a few feet Try to keep speaker wire running par ri en as ma e ra B3 cD c5 em
20. ing Use a bit that is large enough for the wires you plan to run An auger bit is the pre ferred bit for rough in wiring It will actu ally pull itself through the wood so that the drill motor not you does most of the work You may be drilling a lot of holes so this is an important consideration Always drill the holes in the center of the stud If you have to notch the stud or drill the hole closer than one inch from the edge of the stud protect the wire with a nail plate See Figure 7 When drilling holes in ceiling joists drill in the center of the joists and try to locate the hole near the end of the joist DO NOT drill through a gluelam or any load bearing beam without the direction of your contractor Try to line the holes up perfectly because it makes pulling the wire much easier A good technique is to snap a chalk line across the face of the studs or against the bottom of the ceiling joists Then work backward so that you can always see the holes you have already drilled Paying careful attention to this will save you a lot of time later on Pulling the Cable Pull the cable in sections from the stereo to the volume control from the volume control to the speaker Start with the longest sections and use left over wire to complete the short sections If you plan to pull many rooms at the same time through a central route walk off the distance to each destination add a generous fudge factor for turns and
21. l and other information contained herein is not intended to set forth all technical and other specifications of Niles products Additional information can be obtained on line DS00296ABR
22. molded with a slight texture to assure good paint adhesion Mounting screws tighten the ae dogs clamping the speaker to the drywall series perfect for moist environments Rust proof aluminum grilles make the DS ZN Figure 2 Connect the wires and place the speaker in the frame twist and lock out cleanly when the speaker is installed instantly snap into the Brackets and wings attach to the ceiling joists with nails or screws Knockout wire tie allows the wire to be secured to the bracket throughout the new construction process It knocks y New construction wings Li bracket without screws Wings are scored for easy size trimming _ ri en _ as ma r c ri em s cD ew ri ea ri Es qm ma qr z c ew ri em _z ew ew ri em Incorporating a Local Volume Control In a multiroom system there is one indis pensible device for true convenience a local volume control It enables you to adjust the volume of the speakers without leaving the room Plan to wire the system so that each pair of speakers has its own volume control built into the wall think of a volume con trol as a dimmer switch for sound Niles makes a wide range of high perfor mance indoor and outdoor volume con trols They are available in Standard or Decora style cover plates just like your light switches and
23. ns As a last resort heating and air condition ing vents can be used as wire raceways for plenum rated wire check your local building codes some municipalities require conduit In traditional wood stud drywall construc tion you should first cut the hole for the speaker and utilize the large hole to auger across the through the ceiling joists for as far as your drill bit will take you Sometimes you will need to use the notching technique to reach areas your drill bit won t reach or to turn corners e g to go down the wall when there is not an accessible attic Don t make an irregular hole in the drywall If you carefully cut a rectangular hatch in the drywall you will make your patch at the same time you cut your hole Notch the bottom of the joists and run the wire through the notches Protect the wire with nail plates Once you ve run your wire replace the hatch you cut using standard drywall joint tape and joint compound to hold the patch in place let dry sand surface and touch up the wall with paint See Figure 11 Figure 10 The door jamb has been removed and the speaker wire concealed between the wall and the jamb Nail plates are installed to protect the wire and the door jamb is replaced Figure 11 Diagram of ceiling speaker cut out with ceiling joists notched for wire run ri emo al as pe ma a ra Ba cD
24. onal conditions and limitations The Warranty is void and inapplicable if NILES deems that the product has been used or handled other than in accordance with the instructions provided by the manufacturer including but not limited to damage caused by accident mishandling improper installation abuse negligence or normal wear and tear or any defect caused by repair to the product by anyone other than NILES or an authorized NILES dealer To obtain warranty service take the unit to the nearest authorized NILES dealer who will test the product and if necessary forward it to NILES for service If there are no authorized NILES dealers in your area you must write to NILES and include your name address model and serial number of your unit along with a brief description of the problem A factory Return Authorization Number will be sent to you DO NOT RETURN ANY UNIT WITHOUT FIRST RECEIVING WRITTEN AUTHORIZATION AND SHIPPING INSTRUCTIONS FROM NILES If the above conditions are met the purchaser s sole remedy shall be to return the product to NILES in which case NILES will repair or replace at its sole option the defective product without charge for parts or labor NILES will return a unit repaired or replaced under warranty by shipping same by its usual shipping method from the factory only at its expense within the United States of America THERE ARE NO OTHER WARRANTIES INCLUDING WITHOUT LIMITATION EITHER EXPRESS OR IMPLIED WARRANTIES OF MERCHA
25. other obstacles then cut off each section so that you have a bundle of wires you can pull at once Whenever you run the wire further than four and one half feet from a hole in a stud or joist open attic space going up walls etc fasten the wire to the joists or studs using cable clamps or appropriately sized wire staples The wire should not have large sags in it nor should it be too tight Try to protect the wire from being stepped on in attics or other unfinished crawl spaces There are guard strips raceways and conduits which can be used to protect the cable Consult the local building code for special requirements in your area Concealing Speaker Wire in Existing Walls This is actually a fairly simple task if you restrict your choice of speaker locations and wire routes to the interior walls or ceilings of your home Interior walls in almost all North American residences are hollow so that it is easy to flush mount speakers into them and route new speaker cable around the house What you see when you look at the painted wall board plaster or paneling is only the skin of the wall Behind the skin is the skeleton two by four wood or metal studs running vertically from the floor to the ceiling in walls and two by six or larger joists run ning horizontally in the ceilings and floors In between the studs and the joists is the space for the wiring and plumbing of your home Exterior walls are different Th
26. r the electrical wiring is finished That way you can avoid wire routes which could potentially induce hum over the speaker wire The basic rules are e Never run speaker wire through the same hole as an electrical cable Never run speaker wire into the same J box as electrical cable e Avoid running the speaker wire beside the electrical cable Keep your speaker cable at a distance of at least 18 22 from any electrical power cable Figure 7 Side by side wiring is unavoidable in par ticular spots in every house just move the speaker wire route away as soon as possi ble If construction forces a side by side run for more than ten feet install metal conduit or shielded speaker wire Low voltage wires such as doorbells inter coms telephone security or television cannot cause interference or hum on your speaker wires so you can safely run all of them at the same time through the same holes side by side Before you drill any holes mount the speaker brackets in the desired speaker locations and mount p rings or open backed J boxes where the in wall volume controls and stereo equipment will be Safety First Wear gloves safety goggles and head pro tection when drilling Avoid nails they ruin bits and they can create injury Pay particu lar care when using hole hogs and other powerful electric drills the torque of the drill when suddenly stopped by a nail can break the wrist of a strong man Drill
27. tender System Niles manufactures a number of concealable IR sensors and wall mounted keypads which send a copy of your hand held remote command via a wire to your main equipment location where it is repeated to your stereo system The wire is typically installed with the speaker wire since the speaker signal and the IR signal will not interfere with each other This makes almost no difference to the installation time and the cost of the recommended IR control cable West Penn D291 or equivalent is reasonable The correct routing for IR control cable is to home run an IR control cable from the main equipment location beside the speaker wire to the planned volume con trol location and then on to the proposed sensor location The combination of IR control cable and speaker wire enables a programmable Niles IntelliPad to be installed at a later date the IntelliPad has a convenient speaker mute feature in addi tion to automating and controlling your stereo system An IR sensor is best placed where it is convenient for you to point the hand held remote Both an IntelliPad and an IR sensor can be connected in one room with one home run IR control cable Insulation Behind The Speaker For best performance from your speakers lay a batten of fiberglass insulation exam ple R 19 un batted insulation on top of the speaker Try to keep the same amount of insulation for each speaker particularly in the same room for consistent bass r
28. tening distance apart this maintains a large pleasant stereo image In home theater applications where there is a center channel you may choose to space the left and right main speakers far ther apart for a bigger than life sound with Dolby encoded movies and TV shows However for combined music and movie usage stay within the good place ment zone for music For example if you are ten feet back from the speakers the speakers should be between five and ten feet apart See Figure 4 Woofers and tweeters should be directed at the listening position Figure 4 In this example A the speakers Direct woofer and could be tweeter towards placed from listener five to 10 feet n apart since the listener is 10 feet back from the speakers Listening Position Direct woofer and tweeter towards listener Em EB a ED 53 m a Es EB 5 EB on EB a EB a Es EB 5 EB Placement for Varying Listening Positions If you want the freedom to sit anywhere in a room facing any direction and or find that you prefer the all around you sound of some car stereos to a conventional sound stage facing you consider the speaker placement techniques profession al installers use in restaurants and bars They place speakers in an array around the listening area so that the music is always surrounding you regardless of the direc
29. ter is housed in its own low diffraction pivoting assembly that can adjust up to 17 in any direction to create direct or diffused sound fields No Strip Speaker Terminal Niles patented No Strip terminal enables speakers to be connected without strip ping the speaker wire No Strip terminals eliminate fumbling with wire strippers and input terminals They are color coded and plug into the crossover circuit boards on the back of Niles speakers resulting in positive in phase connections every time Moisture and UV Resistant Construction The DS6300AT and DS6500AT loud speakers are suitable for use in high mois ture environments The drivers are resis tant to moisture and UV exposure the grille is made of powder coated alu minum However the speakers are not waterproof and direct contact with water should be avoided Engineered for Ceiling Placement The increased popularity of cathedral and vaulted ceilings pose a distinct sonic chal lenge for conventional ceiling loudspeak ers That is because conventional ceiling the ceiling preserving interior design integrity and delivering life like sonic quality that is not available from conven tional ceiling speakers speakers radiate sound perpendicular to their mounting surface which usually is not where the listening area is DS Directed Soundfield Loudspeakers over come this challenge and allow sound to be directed into the listening area regard less of ceiling angl
30. the screws Twist amp Lock Baffle Patent pending two piece twist and lock baffle and frame mechanism facilitates quick installations Moreover it allows trouble free upgrades or repairs Hole Saving Bracket Available as an optional accessory DS6 Series New Construction Brackets can be installed as a hole saver before the dry wall goes up The drywall contractor cuts the holes as the drywall is installed reduc ing installation time and minimizing the chance for lost wires Installation Gonsiderations Recommended Amplifier Power For satisfactory performance we recom mend an amplifier with a power rating of 10 to 150 watts for the DS6300AT and 10 to 200 watts for the DS6500AT Curiously most speakers are not damaged by large amplifiers but by small amplifiers If your system is playing loudly a small amplifier Figure 1 The illustration shows how a will run out of power very quickly When an amplifier runs out of power it creates damaging clipping distortion A large amplifier will play at the same volume without distorting See the section on operating the speakers for more informa tion about clipping distortion New Construction Bracket serves as a typical DS loudspeaker mounts hole saver when drywall has not been applied It is not necessary when retrofitting to existing ceilings into a ceiling Dogs swivel 90 then clamp the speaker frame to the drywall Frames are
31. tion mini mizing reflections from the side walls For surround sound or low volume background listening create more reflec tions and thus more ambience by direct ing the tweeter towards the side walls Figure 19 Directing the tweeter 10 Direct the Woofer The woofer is direct ed by gently pushing on the outer edge of the grille face See Figure 20 It will move 15 in any direction For critical listening point the woofer to the user s favorite listening position minimizing reflections from the side walls For sur round sound or low volume background listening create more reflections and thus more ambience by directing the woofer towards the side walls 11 Setting the Treble cut switch Listen to a well recorded piece of music at the user s favorite listening position Listen for treble harshness or ringing particu larly when the speakers are placed in a room without carpet Use the 1 5dB Treble switch to correct 12 Setting the bass jumper Listen to a well recorded piece of music at the user s favorite listening position Listen for bass boominess particularly when the speaker is placed near a corner Remove the speaker by grasping the tabs and rotating counter clockwise Adjust the bass jumper 1dB 2dB accordingly See Figure 21 13 Install the grille into the speaker The grilles should fit snugly If you have dif ficulty fitting them in try loosening the mounting dog screws excessive tight
32. tion you face The rule of thumb is to add one pair of speakers for every 100 to 200 square feet of listening area Curiously this is not so that you can play the music louder but so that you can play it softer When you have only one pair of speakers in a large room you will notice that when the sound is perfect in one part of the room it is too loud near the speakers By placing more than one pair in the room you will avoid these hot spots of loud sound and you will create more sonic ambiance while maintaining clarity and a rich sound everywhere See Figure 5 You can make listener position still less critical by using mono rather than stereo This can be difficult to achieve with nor mal stereo amplifiers However Niles manufactures Systems Integration Amplifiers which enable one room to be wired in stereo while other rooms are wired in mono Consult your local Niles dealer for more information In smaller rooms or rooms that are infre quently used you typically can t justify the expense of more than two speakers Try to bracket the room with the two speakers Diagonal placement is a very effective way to stretch the coverage pattern of two speakers You can also compromise between direct sound for detail and clari ty and reflected sound the ambient or all around you effect The speakers can be placed near corners to create more reflect ed sound By directing the tweeters to point away from the listen
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