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SAFETY INFORMATION Important words of caution Please read this owner's 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.
OVERVIEW AND CONTENTS Basic steps to installation The instructions on the pages that follow will help you complete each of the steps below. Step 1: Choose approximate locations for each speaker. Step 2: Observe the cautions and use the template for precise placement. Step 3: Cut the hole for each speaker. 2 PREPARATION Before you begin... . . . . . . . . . . . Unpacking . . . . . . . . . . . . . . . . Other equipment you will need If painting is in your plan. . . .
PREPARATION Before you begin...... Thank you for choosing Bose® Virtually Invisible® 791 speakers for in-ceiling installation. These top-of-the-Iine Virtually Invisible® speakers provide superior performance for stereo and home theater enjoyment. Their slim profile blends well into your room, so only the sound ...not the speakers...stands out. Other equipment you will need Hardware for securing the speaker to your ceiling is attached to the speaker.
PREPARATION Selecting speaker cable Preparing the cable wires If your cables are not yet installed, use these guidelines for choosing and using speaker cable. If your cables are already installed, check to be sure they meet these standards. Speaker cable 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. Gauge Maximum Length 18 AWG (0.82 mm 2) 20 ft (6 m) 16 AWG (1.
PREPARATION Placement guidelines Placing speakers for stereo sound Position these two speakers: Orienting and placing these identical speakers is critical to their performance. - one on the left and one on the right at the front of the room Follow these guidelines in choosing the approximate location for each speaker.
PREPARATION Placing speakers for home theater Front of your home theater room Although these speakers are sold in pairs, you can use several pairs for home theater enjoyment. , TV • Place two of the speakers: - with one on either side of your TV - with the arrow pointing to the opposite speaker - with each one AT LEAST: - 2 ft (.
INSTALLATION Preparing the ceiling Be sure you have read and understand all of the safety and preparation information on these pages so you can continue with confidence. CAUTIONS: • If you are unsure of your ability to complete this process, contact a professional installer. • Certain forms of insulation (such as horse hair plaster, newspaper, cellulose, or any blown-in materials) may pose a risk of ignition.
INSTALLATION Cutting the speaker hole Getting the wire ready Be sure to cut carefully to make the hole as regular as possible. However, when the speaker is in place, the frame overlaps the cutting edge by % in. (0.6 cm), which masks minor cutting inaccuracies. When your speaker cable is within reach of the hole you have cut, follow the procedure below: 1. Hold the cutting blade in a vertical position and keep it straight as you cut the hole.
INSTALLATION Connecting the speaker Finishing the installation As you connect the wires, be careful to match the polarity of each wire to the proper terminal, as described below. An error here will adversely affect speaker performance. It is important to have all of your equipment ready and within easy reach to complete this procedure. 1. Choose the one wire on the cable end that is marked with a colored collar or other indicator, (which distinguishes it as the positive (+) wire.
INSTALLATION IMPORTANT CONSIDERATIONS: You can use a square-head or phillips-head screwdriver to tighten the screws on the speaker clamps. These clamps exert pressure inside the ceiling to hold the speaker firmly in place. 2. Tighten one of the four clamp screws until you can feel the frame press firmly against the ceiling. This indicates that the clamp is extended and is gripping the ceiling.
INSTALLATION Testing each speaker Attaching the grille With the speakers secured to your ceiling, you can make sure the speaker functions properly before you attach the grille. The grille is designed to fit into the slots on the rim of the speaker and lock into place with a slight clockwise twist. CAUTION: Before you turn on your receiver/amplifier, be sure there is no unused speaker cable connected to it. An attached cable that is free at one end can cause a short and damage your receiver/amplifier.
REFERENCE Painting the exterior parts You can paint the grille and frame of your Virtually Invisible® 791 speakers before you install them. Be sure to use paint that is appropriate to the technique you choose, as described below. Painting is optional and Bose cannot be responsible for the quality of adhesion or finish of non-factory-applied paints. WARNING: Follow all recommended safety procedures for the chemicals involved.
REFERENCE Using a spray technique Latex or oil-based architectural paint requires thinning for use with a siphon-feed spray gun. Set the spray gun at 30 psi (2.1 bar) for application in a 3- to 5-in. (7.6-12.7 cm) fan pattern. The thinning formula depends on the type of paint you are using. • For use of vinyl acrylic latex paint, thin as follows: To 6 parts of paint, add 3 parts of water and mix thoroughly.
REFERENCE Troubleshooting Pmble,m~, " The speakers do not play Possible solution • • Only one speaker plays • • • • • • The bass or treble is weak • • • • Static or noise from one speaker • • • • Check the settings on your receiver/amplifier. Refer to the owner's guide that came with it for instruction on settings.
REFERENCE 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. Limited warranty Your Virtually Invisible® 791 speakers are covered by a limited transferable warranty. Details of the limited warranty are provided on the product registration card that is included in the carton. Please refer to the card for instructions on how to register.
" 321052-0010 I --B05~ Better sound through research® ©2009 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM321052 Rev.
OUR COMMITMENT TO YOU We take great pride in designing each of our products with the goal of providing the highest accuracy musical performance possible in the price range of that product. We strive to reproduce the musical sounds as closely as possible to those of the original performance. And we strive to avoid flashy sounds such as those associated with accentuated bass and/or treble frequencies. While those sounds may be initially attractive to the novice, they are not real and are not enduring.
USA Italia Bose Corporation, The Mountain Framingham, MA 01701-9168 1-800-367-4008 or 508-766-1900 Phone hours - ET (Eastern Time): Weekdays 8:30 a.m. to 8 p.m. Saturdays 9 a.m. to 3 p.m. owners.bose.com Bose S.p.A., Via della Magliana 876 00148 Roma TEL 06 60 292 292 FAX 06 60 292 119 www.bose.it Canada Bose Ltd., 1-35 East Beaver Creek Road Richmond Hill, Ontario L4B 1B3 1-800-465-2673 Phone hours - ET (Eastern Time): Weekdays 9 a.m. to 5 p.m. www.bose.
Warranty information inside Contiene informacion sobre la garantfa Renseignements sur la garantie aI'interieur
Visite Global.Bose.com para obtener informacion de contacto en su pais/region. Consultez Ie site Global.Bose.com pour connaitre les coordonnees de Bose dans votre pays ou region. EE.UU., Puerto Rico e Islas Virgenes de EE.UU. Enlace directo para registrarse: www.Bose.com/register Etats-Unis, Puerto Rico et iles Vierges des Etats-Unis. Liens directs vers les sites d'enregistrement :www.Bose.com/register Canada. Enlace directo para registrarse: www.Bose.calregister Canada.
Visit Global.Bose.com for Bose contact information in your country/region. US, PR, USVI. To link directly to registration: www.Bose.com/register Canada. To link directly to registration: www.Bose.cairegister Europe. To link directly to registration: www.register.Bose.
