Bose Virtually Invisible 191 Main / Stereo Speaker
Contents
1. We suggest you keep your sales receipt and warranty card together with this owner s guide AM267565_01_V pdf May 13 2003 3 spuevopen E Mf iouedsa Wf yosinog 9 usu6ua_ Before you begin Figure 1 Size and shape of the speaker enclosure as shipped with the rectangu lar frame attached Please be sure to read this guide carefully before you do any cutting There are many factors to consider when choosing a location for your speakers Thank you for choosing to install Bose Virtually Invisible 191 speakers in your room Innovative engineering and advanced design enable these speakers to deliver Bose quality performance for big impact in spite of their small size Virtually Invisible 191 speakers feature an Articulated Array speaker configuration that delivers the type of clear lifelike sound and even coverage known as Bose Stereo Everywhere speaker performance What makes this speaker better also makes it different When installed Virtually Invisible 191 speakers take up very little wall space What isn t apparent is their advanced enclosure design shown in Figure 1 It ensures predictably fine performance wherever the speakers are installed regardless of the size and shape of the wall space It also helps prevent the speaker sound from invading other rooms a common prob lem with installed speakers of more conventional design Speaker frame screws Rectangular grille Rectangularspeaker2. b If you encounter insulation behind the wall You can expect to find insulation in an exterior wall and sometimes it appears in an interior wall as well If the insulation found there is malleable you can cut it and remove some of it to make room for the speaker Other types of insulation will be difficult or possibly dangerous to handle CAUTION Beware of hidden nails when reaching into the wall to remove insulation CAUTION Wear gloves and protection for your mouth nose and eyes before handling insulation that contains fiberglass Cut some insulation away from both above and below the speaker hole Insert and wire the speaker You need a Phillips head screwdriver and optional tape to complete this step If your wall is not pre wired refer to Planning to run speaker cord starting on page 11 When wire is within reach of the hole you have cut follow the procedure below 1 From inside the newly cut speaker hole locate and pull out 14 inches 36 cm or more of the pre wired speaker cord Figure 25 AM267565_01_V pdf May 13 2003 23 Steps to Installing Figure 25 At least14 inches Pulling the wire up and out 36 cm of wire to the left v NS 2 Use tape or the assistance of another person to temporarily affix the loose end of the wire above and to the left of the hole Figure 26 This keeps the wire out of the way until you have the spea
3. frame Speaker face Dogleg clamps Dogleg clamp Screws Speaker enclosure AM267565_01_V pdf May 13 2003 Unpacking Carefully unpack the speakers Save all packing materials which provide the safest means to transport your Speakers as needed If any part of the speaker pair appears damaged do not use the pair Notify Bose or your authorized Bose dealer immediately For Bose contact infor mation refer to the address list included in the carton Check to be sure the carton includes all the parts shown in Figure 2 d Note Now is a good time to find the serial numbers on the side of each speaker Copy those numbers onto your warranty card and in the For your records space on page 3 Figure 2 Contents of the carton e 2 Speakers rectangular frames attached e 2 Rectangular speaker grilles e 1 Rectangular paint shield e 1 Rectangular template e 2 Round speaker frames e 2 Round speaker grilles E e 1 Round paint shield Rectangular 1 Round template template GOW Round speaker frames a CRs Rectangular SS paint shield Round speaker grilles template Round paint shield Other equipment you ll need Hardware for securing the speaker to a wall or ceiling comes attached to the speaker But you will need a variety of other equipment including tools to prepare the surface for installing the speakers Figure 3 Figure 3 Phillips head Items required to install the screwdriver speakers as
4. bee eta a Baya hint Ma iy Be a egy ta hia a 5 UNPACKING spent erin GG a oe Boe ba Wee ele eas Le Caran sre ENE BA EREE E NG 5 Other equipment you ll need 21 tees 5 Consider which shape you prefer for your speakers 0 cece cece eee eens 6 Considering your wall type and the approach it requires 0 ccc cece eee ees 6 Accessories that can help 0 0 0 cee teens 7 Use special care in cutting through plaster and lath 2 ee eee eee 7 Installing in a pre wired rOOM 1 eee 7 Installing in an exterior wall 0 aa 8 Deciding on speaker placement 0 0 00 c ete 8 Select the general wall area for one Speaker 00 0c eee 9 Using Speaker cord siye cry fade a eee ee oe ed wk aed ee fae a 11 Prepare the cord iver snares a aala Poca fae Hae te en tes een Uae DA na RE ee 11 Planning to run speaker cord 0 ccd 11 Before the wallboard goes UP 1 tees 13 Where the walls are finished 0 0 0 cect ttn 13 Steps to Installing deaa dna eee net ee enna ate EERE T Oe ee seine s Bete eR E 15 Before you make any holes 0 0 0 c cece cc a 15 Drill a pilot hole for testing the wallspace 1 eee 15 Using the template for this first step sanaa eee 15 Drilling the pilot Moles x se 2h heats ee Ao a a ae ea oe ed oe cae ee ea ile Sa 17 Testing the space behind the hole 0 0 cece cts 18 Repairing a pilot hole annaua 20 Passing the pilot hole test 1 0 ttt eee 20 Prepare
5. for even seating of the face before you tighten the screws any further and adjust the speaker if it needs to be straightened 3 When the speaker is straight tighten each screw 28 AM267565_01_V pdf May 13 2003 Steps to Installing 4 Line up the curved edge of the grille with the curve over the Bose logo and press that edge into the speaker frame first Figure 33 5 Press the top of the grille firmly into place until you feel some resistance When the grille lines up flush with the frame of the speaker it is seated properly Figure 33 Snapping the grille into place If the speaker looks crooked When you step back from the wall you may notice that the speaker is not straight If so it is easy to adjust the speaker slightly now 1 Remove the grille by inserting a thin bladed tool between the speaker frame and the grille and carefully prying it out Slightly loosen each of the four dogleg clamp screws labeled WALL Press on the sides of the speaker frame to shift it up or down into the proper position Stand back to make sure it is straight Repeat step 3 if itis not Tighten all four dogleg clamp screws Reattach the grille to the front of the speaker oo Saws When the grille is finally in place If there are additional speakers to install repeat the Steps to Installing beginning with Drill a pilot hole on page 17 If this is your final speaker congratulations Turn on the music whi
6. frame There are four speaker frame screws labeled GRILLE that hold the frame in place They should not be con fused with the dogleg clamp screws that are labeled WALL Figure 21 Those screws hold the dogleg clamps on the frame Figure 21 Removing the speaker frame to reorient it as needed If you cannot insert the entire length of the wire straight up in an interior wall and sweep it from side to side as shown on the template you need to drill a new pilot hole elsewhere Then repeat the preceding steps 3 4 and 5 Repairing a pilot hole If you need to patch the pilot hole you can fill it with spackle You may need to let the spackle dry then add more until the hole is slightly overfilled When it is thoroughly dry sand the area to bring it back flush with the wall Passing the pilot hole test If you have successfully determined that this location will work for one speaker test the wall or ceiling for the second speaker before making any larger holes Refer to Drill a pilot hole for testing the wall space starting on page 15 and repeat those steps If the location for the first speaker is fine but the second is not you may want to relocate both speakers 20 AM267565_01_V pdf May 13 2003 Steps to Installing Prepare the wall for inserting the speaker Use care in the steps that follow to ensure satisfaction with the end result CAUTION Now is a good time to reconsider your comfort level with th
7. get the second speaker connected you can test both speakers and make sure they are both functioning fine before proceeding with the installation steps for each one Ad CAUTION f you are testing the first speaker before the other one is connected make sure the wire to that first soeaker is the only one connected to the receiver amplifier This will avoid any risk of unattached speaker wires making contact which can damage the receiver amplifier 26 AM267565_01_V pdf May 13 2003 Figure 30 Pushing excess wire behind the speaker Figure 31 Positioning the speaker all the way in the hole Steps to Installing To test the speaker 1 Turn on the receiver amplifier and play a piece of music that is familiar to you 2 Listen for clarity and accuracy of the performance from one speaker If you hear a problem refer to Troubleshooting starting on page 32 If the performance sounds fine test the other speaker or continue with the installation steps for this speaker When the connections are completed push any excess wire into the hole behind the speaker Figure 30 3 Make sure the frame of the speaker is firmly screwed onto the face The frame prevents the speaker from slipping all the way into the hole Refer to Figure 23 on page 22 if you need to reverse the frame to properly orient the Bose logo on the speaker face 4 Now push the speaker into the hole until the face is straight and flush with t
8. inches 10 5 cm of depth from the face of wallboard that is a maximum of 1 inch 2 5 cm thick Bose recommends installing these speakers only in wood frame or similar construction where there is enough space between studs as is found in 2 x 4 or 2 x 6 wall ceiling construction The instructions in this guide are specific to that type of installation only d Note These speakers are not designed for installation in masonry walls or ceilings CE DECLARATION OF CONFORMITY We the offerer Bose Corporation The Mountain Framingham MA 01701 9168 USA acknowledge our sole responsibility that the product Kind of equipment Loudspeaker Type designation Virtually Invisible 191 loudspeaker in accordance with EMC Directive 89 336 EEC and Article 10 1 of the Directive is in compliance with the following norm s or document s Technical regulations EN 50081 1 EN 50082 1 Accredited by Bose Corporation The Mountain Framingham MA 01701 9168 USA 20 February 2003 Nic Merks Bose Products B V Vice President Europe Nijverheidstraat 8 1135 GE Edam Manufacturer s authorized The Netherlands EU representative 2 AM267565_01_V pdf May 13 2003 Where to find INCROCUCHON stores aana inne hs fata ea wh eae ae Gre te ee ak nace Pe AA wee Bes 4 Betore you begin ni raas Breda ate ty deh a n oda ese ve Pl a niga a a d alent ha Saar 4 What makes this speaker better also makes it different 0 0 0 00 cece eee eee 4 Preparation lt i
9. path for cord that must run behind the wallboard e Choose interior walls which are less likely to have insulation packed behind the wallboard e Use an attic or basement run where possible so you have easy access and can see where plumbing electrical wires and other impediments occur e In slab construction consider using plenum rated wire run through heating or air condition ing vents AM267565_01_V pdf May 13 2003 13 Getting started Choose a path for the cord that avoids impediments to drill through Use a stud finder to identify inaccessible studs It is common to run cord from the speaker location in a wall or ceiling to the attic and through the wooden top plate that runs horizontally across the top of the vertical studs From the attic you can then run the cord to the spot above the junction box near the receiver or amplifier Drill through the top plate at that point and route the cord through the hole and down into the wall Figure 12 Figure 12 i Running the cord up through the attic Top plate Open backed junction box If you must route cord around a corner you will need to cut out a rectangular piece of wall board on either side of the joist at that corner Use each regular shaped cutout as the patch for the wall when you finish By reaching through the cutout you can notch the joist to make room for the cord and use nail plates to cover the cord in each notch Figure 13a To patch th
10. protects the tile from bearing the weight of the speakers Instructions are included with the kit For installation in new construction Bose offers a Rough in Kit Product Code 031353 for two speakers It is designed for use after the studs are in place and before the wallboard is added to reserve a place for the speakers and indicate where the wallboard hole should be made It also protects the wallboard by providing additional support for the dogleg clamps that secure the speaker to the wall Instructions are included with the kit For more information or to order an accessory contact your Bose dealer Or to contact Bose directly refer to the address list included in the carton Use special care in cutting through plaster and lath For wall construction of plaster and lath use special care to prevent plaster from cracking e After you have drawn an outline of the hole to cut tape around the outline and use a sharp blade to make shallow cuts where the hole will be e Then within the outline only chip the plaster away until you expose the lath underneath e Finally cut through the lath very carefully Using an electric sabre saw can be quick but risky We recommend using a hand saw and proceeding cautiously to avoid damaging the Surrounding plaster Installing in a pre wired room An installation is simplest when the room has been pre wired during construction In that case the builder will have left speaker cord within easy reac
11. speaker frame as needed before inserting the speaker into the ceiling hole See Figure 21 on page 20 Tip Remember to allow enough space for the speaker enclosure both above and below the pilot hole You may need that second option if you find an impediment in the space below the hole This does not apply to exterior walls in cold climate regions where upside down speaker installation is not recommended AM267565_01_V pdf May 13 2003 15 Steps to Installing 2 Center the pilot hole circles on the selected spot as you press the template to the wall Use a pencil to trace around the inside of the circles Figure 14 4 Remove the template At least 9 22 9 cm Figure 14 Preparing to cut a pilot hole At least 7 18 1 cm 16 AM267565_01_V pdf May 13 2003 Steps to Installing Drilling the pilot hole You will need a half inch spade bit and power drill or a special rotary cutting tool for this step Using the proper equipment and protection is important AA WARNING Use eye protection and be sure to observe all safety precautions while using the drill or cutting tool Figure 15 Figure 15 Caution against drilling without eye protection AA WARNING Make sure the spot chosen is safe for cutting Do not cut through surfaces that may have hazards such as electrical wiring conduits or plumbing concealed behind them Follow all other safety precautions 1 Center the tip of the d
12. the short end of the wire insert the long end into the wall or ceiling and straight down from the hole Figure 20a Tip You may want to use the template for this step as shown in Figure 20b With the long end of the wire still in the hole sweep it from side to side in a curve as shown on the template This indicates if the wall or ceiling space is long enough and wide enough at the far end Tip When testing for length move the wire near the wall or ceiling then farther back from it Figure 20 a Inserting the long end of the wire a and sweeping from side to side to check the length b X 4 If the wire goes in and sweeps from side to side at the far end without a problem pro ceed to the next major step Prepare the wall for inserting the speaker starting on page 21 e If you find an impediment below the pilot hole and you are working in an interior wall reinsert the wire upward If there are no impediments above the pilot hole you can install the speaker upside down If you are working in an exterior wall installing the speaker upside down is not recommended In this case if you find an impediment you need to drill a new pilot hole elsewhere Then repeat the preceding steps 3 4 and 5 AM267565_01_V pdf May 13 2003 19 Steps to Installing D Note To position the logo right side up if you insert the speaker upside down remove the outer frame from the face of the speaker rotate it 180 then reattach the
13. the wall for inserting the speaker auauua cece 21 Using the template a second time anaa 21 Cutting the speaker hole we sa tesari a oy oo ey ye in he ee ee oye oe Pes 22 Insert and wire the Speaker 1 0 0 ccc ett 23 Insert the speaker into the opening 00 0 c cece eee 24 Make the speaker connections 0 c eects 26 Test the speaker now crsa su ida be edo ote we ade ee oe a Be Pe Vek a 26 Secure the speaker to the wall 0 0 eee tte 28 If the speaker looks crooked 1 1 tees 29 When the grille is finally in place 6 tae 29 Choosing to paint the speakers 1 0 0 tte eee 29 Painting the grille cc ea ee ecg be dad bee bean cad yds e ed ea dhe a 30 Painting theframe n Tieres sees ke ova tae EREE A eee eae tes ie eee mee ap ee 31 Referente z ick ia aea SO TRE AR E RIA a E Ba R A SRG tae Gey tae eae Re ioe eens 32 TroOuBIESHOOtNO ma anian Sarela a a e a ROM neea ah edad ae a a aa a e Lele AA aa aa adhe 32 C stomer SeNi Ea ena Eaa isan eek Poiae 2 uo RANEE s eee NEREDE REA RLA a 32 Warranty penod 4 csc0 eisant satis Pee sean a thee bene es eG 32 ACCESSONGS 23 0 gba lf Mike ae hi ed ee A ed only te ae ee Bed a Sah bt a 33 TEChniGal NTOMMALOM cerai renei a ok eat Ret Shee een E we teal ants EORR EPE 33 For your records Serial numbers are located on the left side near the top of each of the Virtually Invisible 191 speakers Serial numbers and Dealer name Dealer phone Purchase date
14. wall or ceiling if a wall will it be an interior abutting another room or exterior abutting the outside surface wall in finished or new construction if finished is it plaster and lath or wallboard construction 8 AM267565_01_V pdf May 13 2003 Select the general wall area for one speaker As you decide where you want each speaker grille use the guidelines below CAUTION Do not install near any heat sources such as halogen lamps registers stoves or other apparatus including amplifiers that produce heat e The two speakers should be a minimum of 5 feet 1 5 m apart e For in wall speakers providing stereo at the front of the room or home theater surround sound from the rear install them so each speaker grille is 4 to 6 feet 1 2 to 1 8 m from the floor for best performance e Neither speaker should be installed sideways in a wall the enclosure should be either above or below the speaker face e For in wall home theater front speakers install the pair horizontally aligned with the center of the video screen Figure 5 Figure 5 5 1 5m Orienting wall speakers for front home theater use e For ceiling installation pay attention to the direction of the speaker enclosure for best per formance for stereo Figure 6a or for home theater Figure 6b Figure 6 baal Orienting ceiling speakers for the best coverage a for stereo or b for home theater front and surround z e Heig
15. Bose Virtually Invisible 191 Speakers MOSE May 13 2003 AM267565_00_V pdf Bose Corporation Safety Information Important words of caution AA WARNING Installation shall be in accordance with the applicable section of the National Electrical Code ANSI NFPA 70 and or the National Fire Alarm Code ANSI NFPA 72 as applicable The wiring method and compartment shall be such as not to interfere with the operation of the speaker CAUTION Consult local building codes before you get started with this installation Please read this owner s guide completely before you start Then carefully consider your experience with using the tools and taking the precautions referred to here CAUTION Failure to follow the instructions in this owner s guide voids all warranties on your speakers If you have doubts about doing this installation you should contact either the dealer you purchased the product from an electrician or a professional audio video installer You can describe the job and request a cost estimate before committing to installation service y Small check marks call your attention to the tools you ll need for the next step Tips offer ideas to make the job go easier and help you avoid mistakes Use these instructions with wood frame or similar construction only Each speaker requires 8 1 inches 20 5 cm of horizontal space and 14 inches 35 6 cm of vertical space inside the wall or ceiling plus a minimum of 47
16. _01_V pdf May 13 2003 Before the wallboard goes up There are some standard guidelines for working in unfinished construction e Begin this work after the studs and joists are in and the electrical wiring is completed Snap a chalk line across the face of the studs or the bottom of the joists and move back ward as you drill so you can keep the last hole drilled in your line of sight Never run speaker cord and electrical cable through the same hole or into the same junc tion box If a short section of the cord must run parallel to nearby electrical cable keeping that run to the absolute minimum will result in less interference Use metal conduit or shielded speaker cord if the cord must run next to electrical cable for 10 feet 3 m or more Use cable clamps or large wire staples to fasten the cord to a joist or stud wherever the cord runs more than 44 feet 1 4 m from a hole Use protective guardstrips raceways or conduits to protect the cord from being stepped on or compressed in an attic or crawl space Where the walls are finished Here are some suggestions for how to make this job easier Look for ways to conceal cord outside the walls Along or behind baseboards e Under carpets using special flat speaker cord for under the rug speaker runs e Under doorjams Figure 11 Figure 11 Running cord behind base boards and a doorjam Find the easiest
17. ace the part that is visible when the speaker is installed Consider which shape will work best in the loca tion you choose for the speakers If you prefer the round shape it is easy to remove the rectangular frames and replace them with the round frames provided in the carton You can do it now or wait until you know for sure where each speaker will fit However be sure to make that change before you insert either speaker into the wall or ceiling Note The lip of the speaker frame prevents the speaker from slipping behind the wall and out of reach Do not remove the frame while the speaker is in the wall i AS a aS s If you choose the round frames use the round template provided in the carton A round paint shield is also supplied in case you decide to paint the speaker Considering your wall type and the approach it requires For working in a pre wired room of finished construction with 2 x 4 stud walls covered with wallboard refer to Steps to Installing beginning on page 15 These instructions cover installation of the speakers with either a rectangular or round grille in a wall or ceiling If your installation is different use the information below as it applies AM267565_01_V pdf May 13 2003 Accessories that can help For installation in a drop ceiling where tile is installed below the ceiling joists Bose offers an optional Drop Ceiling Kit Product Code 031355 for two speakers It
18. aker All electrical wiring vents and plumbing pipes located inside the walls must be avoided Figure 8 Check with a trained professional if you need instructions on how to locate and avoid them Figure 8 Cautions against unseen danger such as a electri cal wires or b plumbing pipes behind the wallboard e Use of a stud finder can help ensure that the speaker hole is at least 47 12 cm froma stud or joist e The selected location should be at the height you want for both speakers and where you can maintain the minimum distance of 5 feet 1 5 m between them Keeping in mind the guidelines given 1 Decide where the first speaker will go 2 Select the location for the second speaker 3 Use the provided template for drawing both a pilot hole and the speaker face outline 10 AM267565_01_V pdf May 13 2003 Using speaker cord Before you cut any cord estimate how much will be needed for each speaker To do so measure the distance from the receiver amplifier to where each speaker will be installed Make some allowance if the cord must go around corners or through walls and leave at least 14 inches 36 cm of cord to pull from the wall for making the connections easily d Note f you are installing ceiling speakers allowing extra cord will give you the freedom to stand on the floor while making the connections Be sure to use the proper gauge thickness of speaker cord determined by the length of
19. cal tape to prevent electric shock 2 Make a mark 4h inches 10 5 cm from the short end as an indicator of the proper front to back depth of the hole 3 Use the bent wire to test for enough depth front to back Insert the short end of the wire into the hole and straight back Figure 18 Probe to make sure nothing impedes inserting this end to a depth of l inches 10 5 cm This indicates that the space behind the wallboard is deep enough for the front to back speaker dimension Figure 18 Checking the space for the depth of the speaker 4 e If the wire goes in without a problem proceed to step 4 below e If you cannot insert the wire to the 4 inch 10 5 cm mark you need to drill a new pilot hole elsewhere Then repeat step 3 4 Use the wire again to test the width side to side With the short end still in the hole reposition it as shown in Figure 19 and rotate it 360 around the hole This indicates if the wall space is wide enough on each side of the hole for the side to side dimension of the speaker 18 AM267565_01_V pdf May 13 2003 Steps to Installing Figure 19 Checking the space for the width of the speaker If you cannot rotate the wire all the way around up to the first bend you need to drill a new pilot hole elsewhere Then repeat the preceding steps 3 and 4 Now remove the wire 5 Use the long end of the wire to check for enough length below the hole Holding
20. e wall reposition the cutout pieces Figure 13b and use joint tape and joint com pound to hold them in place When they are dry sand and paint the area to match surround ing surfaces Figure 13 a b Running cord around a cor ner with nail plates for pro tection a and cutout pieces as patches b Nail plates Cutout pieces Ceiling Ceiling 14 AM267565_01_V pdf May 13 2003 Steps to Installing Before you make any holes Be sure you have read and understand the considerations provided in Preparation starting on page 5 so you can proceed with confidence Installation is basically the same whether you are using these speakers with a rectangular grille or round grille and installing in a wall or ceiling There are a few exceptions Wherever special instructions apply to ceiling or round faced speaker installation those instructions will appear in a gray box like this CAUTION f you are unsure of your ability to complete this process contact a professional installer Allow 30 to 60 minutes to complete the steps that follow Drill a pilot hole for testing the wall space Before you make a sizeable cut into the wallboard check the space by probing behind the wall or ceiling through a small pilot hole Time spent now can help ensure a successful installation d Note f you are working in an exterior wall where there is insulation it may be difficult to probe behind a pilot hole You may pre
21. each piece Wire recommendations Based on a maximum frequency response deviation of 0 5 dB Gauge Maximum Length 18 AWG 0 82 mm 20 ft 6 m 16 AWG 1 3 mm 30 ft 9 m 14 AWG 2 1 mm 50 ft 15 m CAUTION Before running speaker cord through a wall or under a floor check your local building code requirements and safety regulations If necessary contact an A V installer or electrician for this information Prepare the cord VY You will need a wire cutter and wire stripper for this work Speaker cord consists of two insulated wires The insulation around one wire is marked striped collared or ribbed to identify it as positive The other wire is negative It is important to connect each wire to the proper terminal positive to positive and negative to negative d Note t is sometimes difficult to distinguish wire markings Inspect both wires carefully At the ends of each cord Strip approximately 14 inch 13 mm of insulation from both wires e Twist the bare end of each wire so loose strands will not touch across terminals Planning to run speaker cord The techniques for running cord differ according to the condition of the walls you are working with new unfinished construction or finished construction with the walls completed In either construction type you need to mount an open backed junction box in the wall near the receiver or amplifier for cord coming out of the wall Figure 9 Sat Figu
22. ean cloth or tissue paper until you attach it to the speaker Using a dry brush technique Unthinned latex paint is appropriate for this method Be sure to put down enough paper to cover your work area and allow for repeatedly blotting the brush 1 Dip the tip of a clean dry brush in the paint 2 Stroke across the paper to reduce the amount of paint on the brush When you can see individual bristle marks the brush is ready to use on the grille 3 Stroke lightly back and forth on the front of the grille in a horizontal direction until you need more paint Tip If paint clogs any of the grille perforations try angling your stroke to unclog it or blow gently on the clog 4 Repeat the above steps until the outside of the grille is completely covered 5 Turn the grille 180 and repaint the entire surface using back and forth strokes again Using a spray technique Latex or oil based architectural paint requires thinning for use with a siphon feed spray gun set for 30 psi 2 1 bar and for application in a 3 to 5 inch 7 6 12 7 cm fan pattern The thin ning formula depends on the type of paint you are using e Thin vinyl acrylic latex paint as follows To 6 parts of paint add 3 parts of water and mix thoroughly Add 1 part of denatured ethyl alcohol which breaks down paint particles so they do not clog the grille and mix again e For use of architectural or automotive paints This type of paint should be used by a profes
23. ecialized cutting tool for example a keyhole or drywall saw for this step of the installation Be sure to use the proper equipment and follow all safety precautions as you cut through the wallboard AA WARNING Use eye protection Figure 23 and be sure to observe all safety precautions while using the saw or cutting tool Figure 23 Caution against drilling without eye protection AX CAUTION Use care in handling tools to avoid damage to the surrounding wall area Insert the blade into the pilot hole and cut down and at an angle until you reach one pencil line Or before you begin cutting you may prefer to drill holes inside each corner of the rectangular outline you have drawn to simplify the job D Note Making the corners perfectly square is not important Tip While it is important to cut carefully remember that the speaker frame overlaps the wallboard by inch 0 6 cm when the speaker is in place Minor cutting inaccuracies will be hidden behind that frame 22 AM267565_01_V pdf May 13 2003 Steps to Installing 6 Cut around three of the four sides of the outline you drew not all the way around Figure 24a AA WARNING Keep fingers away from the cutting blade 7 Hook your finger into the pilot hole and then make the final cut Figure 24b 8 Using your finger pull out the piece of wallboard you have just cut Figure 24 Cutting along the outline a and using a finger to hold the cutout piece
24. ed in the carton Warranty period Bose Virtually Invisible 191 speakers are covered by a limited 5 year transferable warranty Details of coverage are on the warranty card that came with your speakers Please fill out the information section detach and mail it to Bose 32 AM267565_01_V pdf May 13 2003 Accessories Drop Ceiling Kit for two speakers PC 031355 Protects the tile from bearing the weight of the speakers Instructions included e Rough in Kit for two speakers PC031353 Reserves a place for the speakers after the studs are in place and before the wallboard is added and indicates where the wallboard hole should be made Instructions included For further information or to order accessories contact your Bose dealer Or to call Bose directly refer to the address list included in the carton Technical information Features e Virtually Invisible and Articulated Array speaker design e Proprietary enclosure technology e Stereo Everywhere speaker performance e Paintable grille e Syncom computer tested Compatibility e Compatible with amplifiers or receivers rated 10 100W per channel rated 4 to 8 ohms 50W IEC continuous power handling rated 6 ohms Driver complement Two 2 2 6 4 cm full range drivers per speaker Enclosure Ported and molded high impact polystyrene e White frame and grille Dimensions e Each speaker 137 H x 77 W x 37 D 34 9 cm H x 19 9 cm W x 9 8 cm D e Wal
25. fer to eliminate this step and skip ahead to Prepare the wall for inserting the speaker starting on page 21 Do this only if you can be sure the insulation is malleable and that nothing else behind the wall will impede the installation AA WARNING f you believe the insulation behind the wall may be composed of asbestos do not drill or cut into that wall Find a different location for the speakers instead Using the template for this first step You will need a sharp pencil for this step The template is designed to show where to drill two half inch 13 mm pilot holes first before you make an opening large enough for the entire speaker This allows you to probe behind the wall to make sure your chosen location is spacious enough and there are no unseen materials blocking the installation Notice the dotted lines extending at an angle from the pilot hole to the bottom corners of the DO NOT CUT area on the template Use them as a guideline for testing the area below the pilot hole to make sure it is spacious enough behind the hole for the length and width of the speaker enclosure To position the template 1 Select a spot on the wall or ceiling where you want the center of the speaker grille For ceiling installations carefully consider how the position of the speaker enclosure behind the wallboard affects the orientation of the Bose logo on the speaker face To main tain a consistent logo orientation you can remove and rotate the
26. h of the intended speaker positions How to determine pre wiring If you are not sure that you have a pre wired room or do not know where the wiring is located check the architectural drawings of your room or call the builder CAUTION it is important to know where the pre wired cord is to prevent damaging it while drilling or cutting into the wall In the ideal situation after cutting the speaker hole you can simply reach inside to locate the length of cord the builder has installed What to do when the room is not pre wired In this case you will need to run speaker cord from the receiver or amplifier through the wall to the area you have chosen for installing the speakers If you have not done this before be sure you understand the steps involved before you get underway Having a friend who can help with this step is advisable too Information on running speaker cord in new construction is provided in Before the wallboard goes up beginning on page 13 For running speaker cord inside finished walls refer to Where the walls are finished begin ning on page 13 AM267565_01_V pdf May 13 2003 7 Installing in an exterior wall If you choose to install these speakers in an exterior wall abutting the outside of your house you will undoubtedly encounter insulation behind the wallboard This can complicate the installation requiring you to trim and push malleable insulation out of the way You will need to wear e
27. hat prevent it from falling out Figure 28 This allows ready access to the connection terminals on the upper left hand side of the speaker Wall stop AM267565_01_V pdf May 13 2003 25 Steps to Installing Make the speaker connections You need a Phillips head screwdriver for this step Tip Pay attention to maintaining the proper polarity to and to with these connec tions An error here will adversely affect soeaker performance Also be sure to tighten each screw securely but not enough to cause undesirable compression of the wire 1 If you have not done so earlier loosen the screws on both terminals 2 Insert the end of the marked wire into the positive terminal and tighten the screw Figure 29 3 Insert the end of the unmarked wire into the negative terminal and tighten the screw CAUTION Do not allow exposed wires to brush against each other which could damage your components Trim excess wire and reinsert as necessary 4 Check for the consistent polarity to and to of these connections at both the receiver amplifier and the speaker Figure 29 Attaching wires to the terminals Test the speaker now With the connections still within reach now is a good time to test the speaker to make sure it functions properly before you secure it in the wall It may be preferable to begin installing the second speaker now before you test either one When you
28. he wall Figure 31 AM267565_01_V pdf May 13 2003 27 Steps to Installing Secure the speaker to the wall A CAUTION f you use a screw gun to tighten any screws first select the gun s lowest torque setting do not exceed 2 4 inch pounds or 0 2 0 5 N m of torque If the screw does not seat properly finish installing the screw at the next highest torque setting or by hand When the speaker is positioned inside the hole with the face straight and flat against the wall you are ready to tighten the dogleg clamp screws labeled WALL along the sides of the frame These screws are not to be confused with the screws in each corner of the frame which hold the frame on the speaker face Dogleg clamps exert pressure from inside to hold the speaker firmly against the wall A CAUTION Although they should be thoroughly screwed down be sure not to overtighten these screws Too much compression can crush the wallboard making it crumble This creates uneven surface support and can leave gaps between the speaker face and the wall 1 Slightly tighten the four dogleg clamp screws Figure 32 until each one begins to grip This is caused by the clamps that swing out and press against the back of the wallboard Figure 32 Dogleg clamp screws Tightening the dogleg Dogleg clamps clamp screws 2 With your fingers grasping the frame of the speaker rock it slightly back and forth into position Check
29. ht guidelines for in wall speakers do not apply to ceiling installations AM267565_01_V pdf May 13 2003 Each speaker enclosure extends into the wall or ceiling as shown in the gray DO NOT CUT area on the template Figure 7 and below the grille The speaker enclosure can be inserted either up or down Ay Note n cold climates where a humidifier is used avoid inserting the speaker upside down in an exterior wall to prevent problems with condensation Allowing enough room both above and below the hole you draw provides a fallback in case the area below your pilot hole is not suitable for the speaker enclosure FOR CUTTING Large white area represents what to cut Figure 7 Template for either rectangular faced left or round faced right out for the speaker face speakers On the template at right small circles outside the white area indicate atti te Cet additional holes needed PO al for the round faced O speaker only DN romo NOT FOR CUTTING y Large gray area q represents space to ur anouy eono oA oe reserve behind the wall oa cravanen for the speaker seein en a enclosure re T e a Ai J On the template at right small gray tabs also ee ene indicate where not to cut A CAUTION When installed the speaker enclosure cannot be seen behind the wall or ceiling Do not attempt to nail cut or drill on that surface area Puncturing the speaker enclosure with a tool will seriously damage the spe
30. instructed Carpenter s level Speaker cord P Tape measure Sharp pencil Half inch spade bit his saw tere Power drill Wire cutter stripper Sturdy wire such as a coat hanger that is 22 inches long Painter s tape Carpenter s level is suggested for use when installing speakers in a wall S peaker cord specifications are provided in Using speaker cord beginning on page 11 P ainter s tape or other tape with light adhesive that will not damage paint or wallpaper FKC utting tool For drywall a keyhole saw drywall saw rotary cutting tool or jigsaw For plaster and lath a saber saw ora rotary cutting tool AM267565_01_V pdf May 13 2003 5 Figure 4 Replacing the rectangular Speaker frame with the round frame Wear clothing appropriate for the job and consider using a drop cloth or other material to protect the area from debris How and where you install the speakers will determine your need for optional equipment Optional items A wire snake for running speaker cord behind wallboard A sturdy stool or ladder for installing speakers above your head e Gloves and protection for your mouth nose and eyes for working with insulation Consider which shape you prefer for your speakers The design of your new Virtually Invisible 191 speakers makes them well suited to either wall or ceiling installation You also have a choice of a rectangular or round speaker f
31. is job If you have doubts about cutting into or running cord behind the wall it s best to stop here Then you can contact a professional installer describe the job and request a cost estimate before engag ing the installer s services AA WARNING f you believe insulation in a wall may contain asbestos do not cut into the wall Find a different location for installing the speakers instead Using the template a second time You need a carpenter s level a sharp pencil and optional tape with the template to com plete this step 1 Position the template carefully over the pilot hole where you want to install one speaker 2 Make sure the template is level Figure 22 Figure 22 Making sure the template is straight D i 3 Tape or hold the template firmly in place as you trace around the sides and upper edge of the WHITE CUT OUT AREA portion 4 Make a dotted line using the slotted holes along the bottom of the WHITE CUT OUT AREA portion for the bottom edge of the hole 5 Remove the template AM267565_01_V pdf May 13 2003 21 Steps to Installing Tip If necessary use tape to hold the template temporarily in place see TAPE HERE on the template Then run your pencil along the entire template edge except where there is tape Cutting the speaker hole You need a small saw or sp
32. ker partially inserted in the wall and are ready to make the connections Figure 26 Using tape to secure the wire Insert the speaker into the opening Before you follow the steps below check to be sure none of the dogleg clamps two on each side are protruding from behind the frame of the speaker If so press them back behind the frame so the speaker will fit into the hole Tip Loosening the screw terminals on the upper left side of the speaker before inserting the speaker into the hole may save you effort in making the connections D Note f you must insert the speaker upside down due to a lack of space below the hole you need to reorient the logo before inserting it into the hole If you have not done so yet remove the outer frame from the face of the speaker rotate it 180 then reattach the frame Refer to Figure 21 on page 20 24 AM267565_01_V pdf May 13 2003 Steps to Installing Figure 27 Partially inserting the rectangular faced or round faced speaker Figure 28 Speaker held in place by wall stops 1 Use both hands to support the speaker and angle it slightly so it is diagonal to the hole This allows clearance for the wall stops 2 Insert the bottom of the enclosure through the hole and down part of the way or up depending on your clearance issues Figure 27 Dogleg clamps 3 Leave the speaker in this partially inserted position resting on the wall stops t
33. l or ceiling surface area required for each Rectangular faced speaker 87 W x 6 H 20 5 cm x 14 cm Round faced speaker 10 diameter 26 cm Weight e 4 5 Ib 2 0 kg each AM267565_01_V pdf May 13 2003 33 MBE Better sound through researche 2003 Bose Corporation The Mountain Framingham MA 01701 9168 USA 267565 AM Rev 00 J N30333 AM267565_01_V pdf May 13 2003
34. le you admire your work and enjoy the rewards Choosing to paint the speakers The grille and frame of your Virtually Invisible 191 speakers can be painted before or after the speaker is installed This is optional however and Bose cannot be responsible for the quality of adhesion or finish of non factory applied paints There are different techniques for painting the grille and painting the frame Be sure to use paint that is appropriate to the technique you choose AA WARNING Follow all recommended safety procedures for the chemicals involved This includes the proper use of eye protection ventilation systems respirators or filter masks and fire safety equipment if flammable solvents are used AM267565_01_V pdf May 13 2003 29 Steps to Installing Painting the grille It is important to prevent paint from clogging the grille perforations which can adversely affect performance You can use a dry brush technique or choose to spray paint the grille Do not use a paint roller however Regardless of the technique you choose e Remove the grille from the speaker if it has been installed e Before you begin to paint clean the grille to remove possible contaminants Even finger prints can prevent uniform coverage e Check to be sure the paint is distributed evenly and covers the grille thoroughly If not you may need to paint the inside of the grille to fix the problem e When itis dry protect the painted grille with cl
35. o the paint does not puddle or run You may want to use a brush for spreading paint where needed AM267565_01_V pdf May 13 2003 31 Troubleshooting Neither speaker plays Check the settings on your receiver amplifier Refer to the owner s guide that came with it for instruction on settings If your Virtually Invisible 191 speakers are the second pair of speakers connected to your receiver amplifier make sure the connections have been made to the B terminals and that the B speakers are selected to play The bass or treble is weak Check the tonal balance setting on your receiver amplifier Check for consistent polarity of the connections to and to to the receiver amplifier and to the speaker Review Make the speaker connections on page 26 Only one speaker plays Only one speaker still plays Check the balance control on your receiver amplifier and make sure it is centered Check the wires connected to the speaker that does not play Make sure the wires are in good condition and are firmly connected Review Make the speaker connections on page 26 Trace the cord from the speaker in question to the receiver amplifier Disconnect the cord from the receiver amplifier channel and reconnect it to a different receiver amplifier channel If the performance is now fine the problem lies in the original receiver amplifier channel the component source of the music or the connection
36. re 9 An open backed junction box that allows for cord coming through the wall near the receiver or amplifier AM267565_01_V pdf May 13 2003 11 Figure 10 Techniques to use for run ning speaker cord through studs or joists 12 You also need to observe Safe and practical standards AA WARNING Make sure the spot chosen is safe for drilling Do not drill through surfaces that may have hazards such as electrical wiring conduits or plumbing concealed behind them Follow all other safety precautions e Consult local building codes to inform yourself of the requirements in your area e Use a drill bit large enough for the cord you will pull through the holes e Use an auger bit if possible to make the work of drilling multiple holes less tiring e Do not drill through a load bearing beam Consult the building contractor if this is an issue e Keep the cord 3 to 4 feet 1 to 1 3 m away from electrical cord which can create a hum or buzz in the speakers Figure 10 e To avoid nails drill holes in the center of each stud or joist e Use a nail plate to protect the cord if your only option is to notch a stud or joist Studs Wire staple Plumb line for chalk mark SNS e Line up holes as perfectly as possible to make pulling the cord through easier Electrical wire Keep the cord taut enough so there are no sags Do not pull the cord tight enough to create tension AM267565
37. rill bit in the top circle you have drawn 2 Drill completely through the wallboard to create a hole that you can probe behind d Note f you encounter insulation in the wall it will be difficult if not impossible to probe behind the pilot hole If you are certain that the location you have chosen is free of hazards and impediments you may choose to cut the hole for the speaker anyway remove some of the malleable insulation and proceed from there Refer to Prepare the wall for inserting the speaker starting on page 21 3 Drill the second hole just below the first one Figure 16 This elongates the hole enough to allow for testing the space for the length of the speaker enclosure Figure 16 Using a spade bit with the power drill to create the pilot hole AM267565_01_V pdf May 13 2003 17 Steps to Installing Testing the space behind the hole You need a tape measure and a sturdy wire such as a straightened coat hanger 22 inches 55 9 cm in length for this step 1 Bend the wire as shown in Figure 17 Figure 17 a 5 cm Saul of sturdy wire bent in two places i 3 inches 7 6 cm 14 inches j 36 2 cm 4l inches 10 5 cm p 47 inches 12 cm Tip For greater accuracy make the first bend a little long measure again and cut off the extra length at that end AA WARNING f there is a possibility of electrical wiring in the space behind the wallboard wrap the wire with electri
38. s between the receiver amplifier and the source Check all of those to make sure they are performing properly Reconnect the speaker to the correct channel of a functioning receiver amplifier If the problem persists its source is either the speaker wire or the speaker in question Follow the next instruction Disconnect the cord from the speaker in question and reconnect it to the second speaker If the performance is now fine the problem lies in the original speaker Contact your autho rized Bose dealer who will arrange for service Or to contact Bose directly refer to the address list included in the carton If the problem persists its source is the speaker wires Follow the next instruction Before you take steps to replace and re run the speaker wire recheck all of the connections Then repeat the procedure for pinning down the problem source above Static or noise from one speaker Check the connections at the speaker and at the receiver amplifier Make sure the wires are in good condition are firmly connected and no wires are touching across terminals Also check the connections from the receiver amplifier to the component source of the music If the problem persists follow the troubleshooting instructions for Only one speaker still plays above Customer service For additional help in solving problems contact your Bose dealer Or to contact Bose Customer Service refer to the address list includ
39. sional with the right equipment and technique This paint must also be thinned using a solvent e For use of lacquer or enamel spray paint This comes in an aerosol can and needs no further thinning 30 AM267565_01_V pdf May 13 2003 Steps to Installing Steps for spray painting 1 To prevent dirt or dried paint particles from blowing back into the grille perforations suspend the grille or place it on a wire screen 2 Apply the paint to the grille surface at a 45 angle Then rotate the grille by 180 and repaint it at 45 Figure 34 Angling and turning used to apply the paint twice Tip Piercing a perforation with a sharp implement to remove a clog can cosmetically damage the grille and is not recommended If paint clogs any of the grille perforations blow gently in that area to unclog it If that does not work immediately wash the grille with the appropriate solvent Make sure the grille is thoroughly dry before repainting The paint may feel dry in a few minutes However if alcohol has been added it may take several days to fully cure Painting the frame You can use either latex or oil based paints which adhere to the speaker frame However both can be easily scratched through careless handling Before you begin protect the speaker cones by inserting the paint shield that came in the carton Then you can use the same conventional spray or roller equipment used to paint the wall or ceiling Be careful s
40. ye protection and gloves for working with fiberglass insulation 4AA WARNING f you believe the insulation inside a wall may be composed of asbestos do not cut into the wall Choose a different location for the speakers instead Insulation will also impede your use of a pilot hole to test the size of the space behind the wallboard Doing such a test is recommended to make sure the space is large enough before cutting a speaker sized hole Special considerations in cold climate regions With exterior wall installations in regions where outdoor temperatures dip below freezing for days at a time using a humidifier can cause condensation to form inside the speakers This can be more of a problem if the speakers are mounted upside down If you must mount in an exterior wall e Avoid installing the speakers upside down e Leave some of the insulation between the speakers and the exterior wall e Refrain from setting the humidifier on high especially when outside temperatures are below freezing Deciding on speaker placement How and where you use the speakers will also affect your procedure for installing them Con sider the options below then follow the instructions that apply to your choices e How you will use the speakers for stereo sound at the front of a room or seating arrangement or as home theater front speakers or as surround sound speakers at the rear of your viewing area e What surface you will install in a
Download Pdf Manuals
Related Search