Page 2 - Tips; DECLARATION OF CONFORMITY; acknowledge our sole responsibility, that the product:; Nic Merks
2 Safety Information Important words of caution 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 interfer...
Page 3 - Contents
3 English Deutsch Français Español Nederlands Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Before you begin... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - Introduction; What makes this speaker better also makes it different; Figure 1
4 Introduction Before you begin... 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 an...
Page 5 - dealer immediately. For Bose contact infor-; frames attached; Other equipment you’ll need; Figure 3; Tra; T APE; g tool
5 Preparation 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 inf...
Page 6 - Preparation; • A wire snake for running speaker cord behind wallboard; Consider which shape you prefer for your speakers; The design of your new Virtually Invisible; Considering your wall type and the approach it requires
6 Preparation 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...
Page 7 - Accessories that can help; For installation in a drop ceiling; Use special care in cutting through plaster and lath; For wall construction of plaster and lath; Installing in a pre-wired room; How to determine pre-wiring
7 Preparation 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 protects the tile from bearing the weight of the speakers. Instructions are included wit...
Page 8 - Installing in an exterior wall; do not; Deciding on speaker placement; • How you will use the speakers?
8 Preparation 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...
Page 9 - Select the general wall area for one speaker; above or below the speaker face.; View of ceiling from below
9 Preparation 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. • The two speak...
Page 10 - • Each speaker enclosure extends; NOT FOR CUTTING; Large gray area; FOR CUTTING; Large white area
10 Preparation • 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. Note: In cold climates where a humidifier is used, avoid inserting the speaker up...
Page 11 - stand on the floor while making the connections.; Prepare the cord; You will need a wire cutter and wire stripper for this work.; At the ends of each cord:; Planning to run speaker cord; Figure 9
11 Preparation 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 leas...
Page 12 - You also need to observe safe and practical standards:
12 Preparation You also need to observe safe and practical standards: 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. • Consult l...
Page 13 - Before the wallboard goes up; the absolute minimum will result in less interference.; Where the walls are finished; Here are some suggestions for how to make this job easier.
13 Preparation 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 bac...
Page 14 - Getting started
14 Preparation 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 th...
Page 15 - Allow 30 to 60 minutes to complete the steps that follow.; Drill a pilot hole for testing the wall space; do not drill or cut into that wall.; Using the template for this first step; You will need a sharp pencil for this step.; To position the template
15 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 grill...
Page 16 - Steps to Installing; Use a pencil to trace around the inside of the circles (Figure 14).; Preparing to cut a pilot hole; At least 7
16 Steps to Installing 2. Center the pilot-hole circles on the selected spot as you press the template to the wall. 3. Use a pencil to trace around the inside of the circles (Figure 14). 4. Remove the template. Figure 14 Preparing to cut a pilot hole Round-faced speakers require additional clearance...
Page 17 - Drilling the pilot hole; Using the proper equipment and protection is important.
17 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. WARNING: Use eye protection and be sure to observe all safety precautions while using the drill ...
Page 18 - Testing the space behind the hole; Bend the wire as shown in Figure 17.; inches
18 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 22-inch (55.9 cm) length of sturdy wire bent in two places Tip: For...
Page 19 - new pilot hole elsewhere. Then repeat the preceding steps 3 and 4.; Or
19 Steps to Installing Figure 19 Checking the space for the width of the speaker • If the wire goes around the 360˚ arc without a problem, proceed to step 5 below. • 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 p...
Page 20 - Repairing a pilot hole; Logo
20 Steps to Installing 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 frame. There are four speaker frame screws, labeled GRILLE, that hold the frame in place. They should not be c...
Page 21 - If you believe insulation in a wall may contain asbestos,; Using the template a second time
21 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 this job. If you have doubts about cutting into or running cord behind the wall, it’s best...
Page 22 - Cutting the speaker hole; while using the saw or cutting tool.; For ceiling installation, notice the orientation of the Bose; logo on the speaker frame.
22 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 specialized cutting tool (for example, a key...
Page 23 - Keep fingers away from the cutting blade.; Insert and wire the speaker
23 Steps to Installing 6. Cut around three of the four sides of the outline you drew, not all the way around (Figure 24a). 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 ...
Page 24 - Insert the speaker into the opening; At least14 inches; logo on the speaker
24 Steps to Installing Figure 25 Pulling the wire up and out, to the left 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 speaker partially inserted in ...
Page 25 - Dogleg clamps
25 Steps to Installing 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). Figu...
Page 26 - Make the speaker connections; You need a Phillips-head screwdriver for this step.; If you have not done so earlier, loosen the screws on both terminals.; Test the speaker now
26 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 speaker performance. Also be sure to tighten each screw secu...
Page 27 - • If you hear a problem, refer to “Troubleshooting” starting on page 32.
27 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 sound...
Page 28 - When the speaker is straight, tighten each screw.
28 Steps to Installing Secure the speaker to the wall CAUTION: If 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 tor...
Page 29 - If the speaker looks crooked; Choosing to paint the speakers
29 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 spea...
Page 30 - Painting the grille; Using a dry brush technique
30 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...
Page 31 - Steps for spray painting:; Painting the frame
31 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˚....
Page 32 - Bose Virtually Invisible
32 Reference Troubleshooting 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 transferabl...
