VIRTUALLY INVISIBLE 191 SPEAKERS

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SAFETY INFORMATION
Important words of caution
Please read this owners guide completely before you start. Then carefully consider your experience using the tools and taking the precautions referred to here. 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. 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. CAUTION: This product is not intended for use in Air-Handling Plenum Spaces. CAUTION: Failure to follow the instructions in this owners guide voids all warranties on your speakers.
Use these instructions with wood frame or similar construction only
Each speaker requires 81/16 in. (20.5 cm) of horizontal space, and 14 in. (35.6 cm) of vertical space inside the wall or ceiling, plus a minimum of 41/8 in. (10.5 cm) of depth from the face of wallboard that is a maximum of 3/4 in. (1.9 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. Note: These speakers are not designed for installation in walls or ceilings of masonry.
Important Safety Instructions
1. 2. 3. 4. 5. 6. Read these instructions - for all components before using this product. Keep these instructions - for future reference. Heed all warnings - on the product and in the owners guide. Follow all instructions. Do not block any ventilation openings, install in accordance with the manufacturers instructions. Only use attachments/accessories specified by the manufacturer.
Bose Virtually Invisible 191 Loudspeakers comply with the following specifications: This product conforms to the EMC Directive 89/336/EEC and to the Low Voltage Directive 73/23/EEC. The complete Declaration of Conformity can be found on <www.bose.com>.

For your records

Serial numbers are located on the center rear of each of the Virtually Invisible 191 speakers. Serial numbers:______________________________ and __________________________________ Dealer name:_______________________________________________________________________ Dealer phone:_____________________________Purchase date: __________________________ We suggest you keep your sales receipt and warranty card together with this owners guide.

For placement in walls

The two speakers should be a minimum of 5 ft. (1.5 m) apart. For in-wall speakers providing stereo at the front of the room or home theater surround sound from the rear, install so each speaker grille is 4 to 6 ft. (1.2 to 1.8 m) from the floor for best performance. For in-wall home theater front speakers, install the pair horizontally aligned with the center of the video screen (Figure 6 on page 8).
Place the in-wall center channel speaker above or below the video screen, centered between, but not on horizontal center with, the left and right front speakers. If a line were drawn between the left, center, and right front speakers a V shape would be created. The speakers should not be installed sideways in a wall; the enclosure should be either above or below the speaker face. Figure 6
Orienting wall speakers for front home theater use 5ft. (1.5m)

4 - 6 ft. (1.2 - 1.8 m)

For placement in ceilings
When placing the speakers in the ceiling, please use the following guidelines. The direction the enclosures face will be determined by the spacing of the ceiling joists. The speaker enclosures should be parallel to the ceiling joists. For best in-ceiling stereo performance: the speakers should each be placed an equal distance on either side of the primary listening area. For best in-ceiling home theater performance: Place the right and left front speakers at equal distances to the right and left above the video screen. Place the center speaker above the center of the video screen. Place the surround speakers opposite the video screen wall, evenly spaced.
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. CAUTION: If you are unsure of your ability to complete this process, contact a professional installer. Small check marks call your attention to the tools youll need for the next step. Tips offer ideas to make the job go easier and help you avoid mistakes.

Drill a pilot hole for testing the wall space
Before you make a large 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. Note: If you are working in an exterior wall where there is insulation, it may be difficult to probe behind a pilot hole. You may prefer to eliminate this step and skip ahead to Prepare the wall for inserting the speaker on page 13. Do this only if you can be sure the insulation is malleable and that nothing else behind the wall will impede the installation. WARNING: If 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

You will need a sharp pencil for this step. The template shows where to drill two 1/2 in. (13 mm) pilot holes before you make an opening large enough for the entire speaker. You can then test the space behind the hole to make sure there is enough room for the speaker and that there are no 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 to be sure there is enough room below the pilot 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. 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. 2. 3. 4. Figure 7
Preparing to cut a pilot hole At least 9" (22.9 cm)
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If the wire goes in and sweeps from side to side at the far end without a problem, proceed to the next major step: Prepare the wall for inserting the speaker on page 13. If you find an impediment below the pilot hole, and you are working in an interior wall, insert 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.
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 on page 9 and repeat those steps. If the first speaker location is fine, but the second is not, you may want to relocate both speakers.

Repairing a pilot hole

To patch a pilot hole, fill it with spackle. Let the spackle dry, then add more until the hole is slightly overfilled. When it is thoroughly dry, sand the area to make it flush with the wall.
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 this job. If you have doubts about cutting into or running cord behind the wall, it is best to stop here. Contact a professional installer, describe the job, and request a cost estimate before engaging the installers services. WARNING: If you believe insulation in a wall may contain asbestos, do not cut into the wall. Find a different location for installing the speakers instead.
Measure and mark the hole to be cut
You need a carpenters level, a sharp pencil, and optional tape with the template to complete this step. 1. 2. Figure 14
Making sure the template is straight
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Figure 20

Speaker held in place by wall stops Wall stop
Make the speaker connections
You need a Phillips-head screwdriver for this step. Pay attention to maintaining the proper polarity (+ to + and to ) with these connections. An error here will adversely affect speaker performance. Also be sure to tighten each screw securely, but not enough to cause undesirable compression of the wire. 1. 2. 3. If you have not done so earlier, loosen the screws on both terminals. Insert the end of the marked wire (+) into the positive (+) terminal and tighten the screw (Figure 21). Insert the end of the unmarked wire () into the negative () terminal. 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. Figure 21
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 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. CAUTION: If you are testing the first speaker before the other one is connected, make sure the wire to that first speaker is the only one connected to the receiver/amplifier. This prevents unattached speaker wires from making contact, which can damage the receiver/amplifier. 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 on page 27. If the performance sounds fine, test the other speaker, or continue with the installation steps for this speaker.
Position the speaker all the way into the hole
1. When the connections are completed, push any excess wire into the hole behind the speaker (Figure 22 on page 18).

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 thinning formula depends on the type of paint you are using. 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. For use of architectural or automotive paints: This type of paint should be used by a professional with the right equipment and technique. This paint must also be thinned, using a solvent. Lacquer or enamel spray paint comes in an aerosol can and needs no further thinning.

Nederlands REFERENCE

1. 2. Figure 26
Angling and turning used to apply the paint twice
To prevent dirt or dried paint particles from blowing back into the grille perforations, suspend the grille or place it on a wire screen. Apply the paint to the grille surface at a 45 angle. Then rotate the grille by 180 and repaint it at 45.
180 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

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. You can use either latex or oil-based paints, which adhere to the speaker frame. However, both can be easily scratched through careless handling. Be careful so the paint does not puddle or run. You may want to use a brush for spreading paint where needed.
Help for the beginning installer
This section provides information that may be helpful for the do-it-yourself installer.
Optional items that will assist you:
Clothing appropriate for the job Gloves and protection for your mouth, nose, and eyes A drop cloth or other material to protect the area from debris A wire snake for running speaker cord behind wallboard A sturdy stool or ladder for installing speakers above your head
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 for two speakers. It 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 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.

Using speaker cord

Before you cut any cord, estimate how much will be needed by measuring 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 in. (36 cm) of cord to pull from the wall for making the connections easily. Allow extra length if you are installing ceiling speakers, so that you can make connections while standing on the floor. Wire recommendations.
Gauge 18 AWG (0.82 mm2) 16 AWG (1.3 mm2) 14 AWG (2.1 mm2) Maximum Length 20 ft (6 m) 30 ft (9 m) 50 ft (15 m)
Preparing the speaker cord
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. Note: It is sometimes difficult to distinguish wire markings. Inspect both wires carefully. 1. 2. Strip approximately inch (13 mm) of insulation from both wires. You will need a wire cutter and wire stripper for this work. Twist the bare end of each wire so loose strands will not touch across terminals.
Be sure to connect each wire to the proper terminal, positive to positive (+) and negative to negative ().
Before the wallboard goes up
There are some standard guidelines for working in unfinished construction. 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 backward 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 junction 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 ft. (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 41/2 ft. (1.4 m) from a hole. Use protective guard strips, raceways, or conduits to protect the cord from being stepped on or compressed in an attic or crawl space.
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 reach of the intended speaker positions. In the ideal situation, after cutting the speaker hole you can simply reach inside to locate the length of cord the builder has installed. 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.

Running cord around a corner with nail plates for protection (a) and cutout pieces as patches (a) Nail plates Ceiling Wall Wall Electrical wire (b) Cutout pieces

Ceiling Wall Wall

To patch the wall, reposition the cutout pieces and use joint tape and joint compound to hold them in place. When they are dry, sand and paint the area to match surrounding surfaces. It is common to run cord from a 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. 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 31). Figure 31
Running the cord up through the attic Top plate

Open-backed junction box

Installing in an exterior wall
If you choose to install these speakers in an exterior wall (abutting the outside of your house), you may 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 eye protection and gloves for working with fiberglass insulation. WARNING: If 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.
Use special care in cutting through plaster and lath
For wall construction of plaster and lath, use special care to prevent plaster from cracking: 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. Then, within the outline only, chip the plaster away until you expose the lath underneath. 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.
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: Avoid installing the speakers upside down. Leave some of the insulation between the speakers and the exterior wall. Refrain from setting the humidifier on high, especially when outside temperatures are below freezing.

Troubleshooting

Neither speaker plays Check the settings on your receiver/amplifier. Refer to the owners 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. 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 17. 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 17. 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 connections 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 authorized 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.
The bass or treble is weak Only one speaker plays

Only one speaker still plays

Customer service

For additional help in solving problems, contact your Bose dealer. Or, to contact Bose Customer Service, refer to the address list included 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.

Accessories

Drop Ceiling Kit for two speakers Protects the tile from bearing the weight of the speakers. Instructions included. Rough-in Kit for two speakers 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 Virtually Invisible and Articulated Array speaker design Proprietary enclosure technology Stereo Everywhere speaker performance Paintable grille Syncom computer tested Compatibility 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) 21/2" (6.4 cm) full-range drivers per speaker Enclosure Ported and molded high-impact polystyrene White frame and grille Dimensions Each speaker: 133/4"H x 77/8"W x 37/8"D (34.9 cm H x 19.9 cm W x 9.8 cm D) Wall or ceiling surface area required for each: Rectangular-faced speaker 83/4"W x 6"H (20.5 cm x 14 cm) Round-faced speaker 111/4" diameter (26 cm) Weight 4.5 lb. (2.0 kg) each

SICHERHEITSHINWEISE

Wichtige Sicherheitshinweise
Lesen Sie diese Anleitung vollstndig durch, bevor Sie mit den Arbeiten beginnen. Schtzen Sie Ihre Erfahrung im Umgang mit den Werkzeugen richtig ein, und beachten Sie die hier erwhnten Vorsichtsmanahmen. Wenn Sie sich nicht sicher sind, ob Sie die Installation durchfhren knnen, wenden Sie sich an den Hndler, bei dem Sie das Produkt gekauft haben, an einen Elektrotechniker oder an einen qualifizierten Fachbetrieb fr Audio/VideoInstallationen. Beschreiben Sie die durchzufhrenden Arbeiten, und holen Sie einen Kostenvoranschlag ein, bevor Sie entsprechende Dienstleistungen in Auftrag geben. WARNUNG: Die Installation muss in bereinstimmung mit den jeweils gltigen Regelungen des National Electrical Code, ANSI/NFPA 70, und/oder des National Fire Alarm Code, ANSI/NFPA 72, ausgefhrt werden. Die Verkabelungsart und rumliche Abtrennung muss so erfolgen, dass der Betrieb des Lautsprechers nicht gestrt wird. ACHTUNG: Informieren Sie sich ber die rtlichen Bauvorschriften, bevor Sie mit der Installation beginnen. ACHTUNG: Dieses Produkt ist nicht fr die Verwendung in Luftkammern gedacht. ACHTUNG: Wenn die Anweisungen in dieser Anleitung nicht befolgt werden, kann die Garantie der Lautsprecher verfallen.

10,5 cm

Abbildung 11
Prfung des Freiraums fr die Einbautiefe des Lautsprechers
Wenn sich der Draht problemlos einfhren lsst, fahren Sie mit Schritt 4 fort. Wenn Sie den Draht nicht bis zur 10,5-cm-Marke einfhren knnen, mssen Sie eine erneute Probebohrung an anderer Stelle durchfhren. Wiederholen Sie dann Schritt 3. 4. So verwenden Sie den Draht, um die seitliche Breite des Freiraums zu prfen: Wenn das kurze Ende eingefhrt ist, drehen Sie dieses um 90 (wie in Abbildung 12 auf Seite 12 gezeigt), und lassen Sie es dann in einer vollen Umdrehung um das Loch rotieren. So prfen Sie, ob der seitliche Freiraum fr die Breite des Lautsprechers ausreicht.
Nederlands INSTALLATION Abbildung 12
Prfung des Freiraums fr die Lautsprecherbreite 360
Wenn sich der Draht problemlos um 360 drehen lsst, fahren Sie mit Schritt 5 fort. Wenn Sie den Draht nicht mit der ganzen Lnge des kurzen Endes um 360 drehen knnen, mssen Sie an anderer Stelle erneut eine Probebohrung setzen. Wiederholen Sie dann die Schritte 3 und 4. 5. So prfen Sie mit dem Draht, ob gengend Freiraum unterhalb der Probebohrung vorhanden ist: Halten Sie den Draht am kurzen Ende. Fhren Sie das lange Ende vom Loch aus senkrecht nach unten in den Hohlraum hinter der Oberflche ein (Abbildung 13a). Verwenden Sie hierfr ggf. die Schablone wie in Abbildung 13b gezeigt. Schwenken Sie den Draht in der Bohrung, und berstreichen Sie dabei den Winkel von links nach rechts wie auf der Schablone abgebildet. Damit stellen Sie sicher, dass der Hohlraum am unteren Ende sowohl lang genug als auch breit genug ist. Bewegen Sie den Draht beim Prfen der Lnge einmal nahe an der Oberflche und einmal etwas davon entfernt (wie in Abbildung 13a, unten). Abbildung 13
Einfhren des langen Drahtendes (a) und seitliches Schwenken, um die Lnge zu prfen (b) (a) (b)
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Utilisation du gabarit

Pour cette tape, munissez-vous dun crayon bien taill. Le gabarit indique o percer deux avant-trous de 13 mm avant de raliser une ouverture destine accueillir lenceinte entire. Vous pourrez ainsi vrifier lespace entre ces trous pour vous assurer que lespace est suffisant pour accueillir lenceinte, et quil nexiste pas dlments pouvant empcher linstallation. Sur le gabarit, vous remarquerez des lignes en pointills formant un angle, qui relient lavant-trou et les coins infrieurs de la zone ne pas dcouper. Servez-vous en pour vrifier si lespace libre en dessous de lavant-trou est suffisant pour accueillir lintgralit du botier de lenceinte. Pour placer le gabarit : 1. Sur le mur ou le plafond, choisissez lemplacement sur lequel centrer la grille de lenceinte. Noubliez pas de prvoir suffisamment despace au-dessus et en dessous de lavant-trou pour accueillir le botier de lenceinte. En effet, vous devrez peut-tre installer le botier lenvers si lespace en dessous du trou comporte un obstacle (tuyau, cble). 2. Alignez les cercles des avant-trous sur lemplacement choisi en posant le gabarit bien plat sur le mur. 3. Tracez le contour intrieur des cercles laide dun crayon (Figure 7). 4. Retirez le gabarit. Figure 7
Prparation du perage dun avant-trou 22,9 cm minimum
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U hebt een waterpas, een scherp potlood en mogelijk plakband voor de sjabloon nodig om deze stap te voltooien. 1. 2. Figuur 14
Zorgen dat de sjabloon recht is
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Plaats de sjabloon zorgvuldig over het geleidegat waar u n luidspreker wilt installeren. Zorg dat de sjabloon waterpas is (Figuur 14).

Waterpas

Bevestig de sjabloon met plakbond of houd hem goed op zijn plaats terwijl u rond de zijkanten en de bovenste rand van het WITTE UITSNIJGEBIED traceert.
Nederlands INSTALLATIESTAPPEN 4. 5.
Maak een stippellijn m.b.v. de gleufgaten langs de onderkant van het WITTE UITSNIJGEBIED voor de onderste rand van het gat. Verwijder de sjabloon.

Virtually Invisible 191 speakers
Product Position: The Virtually Invisible 191 speakers blend into most dcors and are the first in-wall and in-ceiling speakers from Bose designed for easy, flexible placement and use. They provide high-quality sound for stereo or home theater, complement the dcor of most rooms and are easily installed. Stereo Everywhere speaker performance is delivered by Articulated Array speaker design. A unique ported enclosure provides predictable and spacious performance regardless of placement. Target Customer: Homeowners who want flush-mount speakers that permanently integrate into their dcor and deliver quality sound throughout their home. Key Consumer Benefits: Excellent Acoustic Performance Incorporates Articulated Array speaker design for Stereo Everywhere speaker performance providing wide, spacious sound coverage. Proprietary ported enclosure for smooth, consistent low frequency performance. Blends into the dcor Choice of rectangle or round grille frames and grilles included in box for unobtrusive placement in walls or ceilings. Grille frame and grille may be painted to match most dcors. Ease of Installation Enclosure balances in cutout to allow for quick wire connection. Rectangle grille frame is connected to speaker enclosure for easier out-of-the-box installation. FEATURE Two 2.5" full-range drivers in an Articulated Array speaker design FUNCTION Precise position of the drivers directs all frequencies to a wide area between the speakers. Delivers even, balanced stereo sound throughout the listening area. BENEFIT Provides a more consistent soundfield over a larger listening area and delivers a more stable center image than with most conventional directradiating designs. Generates lifelike stereo sound almost anywhere in the room, instead of in one small sweet spot as with most conventional stereo or home theater speakers. Long narrow enclosure allows for placement in wall or ceiling construction, while minimizing the exterior appearance of the speaker. Enclosure ensures consistent performance regardless of space behind the wall or above the ceiling consistency that can't be achieved with most unenclosed speakers designed for mounting in similar locations. Produces cleaner, deeper low frequency performance, particularly at high volumes. Lower frequencies remain in the intended listening area and do not radiate into adjacent rooms unlike most wall/ceiling mounted unenclosed speakers. (continued on reverse)
Stereo Everywhere speaker performance for stereo or home theater Proprietary enclosure technology
Enclosure allows for a small footprint of exposed speaker front while ensuring consistent loading of the drivers regardless of the space behind the wall or above the ceiling.

Unique ported enclosure

Reduces air turbulence and compression. Directs lower frequencies into the listening area.
Virtually Invisible speaker design
The enclosure requires a small cutout and installs behind the wall or above the ceiling, exposing just the paintable slim plastic grille frame and expanded metal grille that installs flush to the exterior surface. Provides an aesthetic look for in-wall or in-ceiling speaker placement. Rectangle grille frames come attached to speakers but can be easily switched to the round grille frames. Plastic grille frames with expanded metal grilles allow for good paint adhesion. Enclosure balances in the cutout to enable connection of the wires without having to hold the speaker. Once the connections are made, the speaker can be secured in the cutout with the dogleg clamps attached to the rear of the grille frame.
Allows the speaker to blend into the room, taking up a minimal amount of space, yet delivers room-filling, lifelike sound.
Rectangle and round grille frames and grilles included in one box
Customer has choice of grille frames and grilles to fit their preference in any application.
Paintable grille frames and grilles
The grille frames install flush to wall or ceiling for a finished look and can be painted to blend into most dcors. Allows the consumer or installer to use both hands to connect the speaker wire and to secure the speaker in the cutout.

Ease of installation

Magnetically shielded drivers
A shield surrounds the magnets of the drivers to contain the magnetic field. Continually protects drivers from being overdriven without interrupting the music. Comprehensive proprietary testing of the speakers.
Allows for speaker placement in close proximity to a television without magnetic interference when used as home theater speakers. Increases reliability without interfering with the listening experience. Delivers a level of quality and reliability unmatched in the audio industry.
Automatic protection circuitry
Syncom computer tested SPECIFICATIONS Limited, five-year transferable warranty Dimensions/weight
A written guarantee that is one of the most comprehensive in the industry. It remains with the speakers even if ownership passes to another person. Each speaker: 13 3/4" H x 7 7/8" W x 3 7/8"D (34.9 cm x 20 cm x 9.8 cm) 4.5 lbs (2.0 kg) Pair in carton: 17 1/2" H x /10" W x 14 2/3"D (44.5 cm x 30.2 cm x 37.1 cm) 12.8 lbs. (5.81 kg) Speaker cut-out size for wall or ceiling: Rectangular: 8 1/16" W x 5 1/2" H (20.5 cm x 14 cm) Round: 8" W (left-to-right width) x 9 5/8 peak (top-to-bottom diameter) (20.5 cm x 24.5 cm) Exterior grille size: Rectangle grille: 8 3/4 W x 6 H (22.2 cm x 15.2 cm) Round grille: 10 1/4 Diameter (26 cm) Rated at 50 watts IEC. Compatible with amplifiers or receivers rated from 10 to 100 watts per channel RMS and 4 to 8 ohms. High-impact polystyrene plastic enclosure with round or rectangle ABS plastic grille frames and expanded metal grilles. Paintable white grille frames and grilles. Rectangle grille frame attached to speaker enclosure. Round grille frames and grilles included in box. (PC 031509) Rough-in kit (PC 031353) bracket for use when installing in new construction. Drop ceiling kit (PC 031355) bracket for use when installing in drop ceilings.
Power rating/impedance Finish & product code

Recommended accessories

Bose Corporation The Mountain, Framingham, MA 01701-9168 Product Information: 1-800-444-BOSE Parts and Service: 1-800-367-4008 Web product and technology information: www.bose.com Virtually Invisible 191 speakers 10/14/2002