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® TM The Bose 251 Environmental Speakers Owner’s Guide
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For your records… TM Serial numbers are located on the label on the back of each 251 environmental speaker. Serial numbers: and Dealer name: Dealer phone: Purchase date: We suggest you keep your sales slip and warranty card together with this owner’s guide. 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 TM Type designation: 251 Environmental Speakers
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Contents Where to find… Setting Up Before you begin........................................................................................................... 4 Unpacking the carton ................................................................................................... 4 Tools required ............................................................................................................... 4 Selecting the location for your speakers ..............................................
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Setting Up Before you begin… ® TM Thank you for purchasing Bose 251 environmental speakers. These high-performance outdoor speakers are engineered to provide sound quality far beyond that of other environ- mental speakers. The 251 environmental speakers are designed to withstand nature’s elements – so you can be confident they will perform for years to come. Unpacking the carton Carefully unpack your speakers and save all packing materials for possible future use. Check that your system contains
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Setting Up Selecting the location for your speakers For best results, mount both speakers on the same wall, facing the listening area. Make sure they do not face each other. (Outdoors, if you are not using an existing wall, consider the length of your listening area as your “wall.”) TM The 251 speakers should be placed at least 7 feet (2 m) apart. Please consider the following before mounting your speakers: • Measure the length of speaker wire you need to connect each speaker to your receiver
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TM Installing Your 251 Speakers Choosing the speaker wire Be sure to use the proper gauge (thickness) of speaker wire. Standard zip cord (2-conductor, 18-gauge wire found at electrical and hardware stores) works for most applications. If your speakers will be more than 30 feet (9 m) from the receiver or amplifier, see the “Wire recom- ® mendations” under “Technical Information” on page 13. Or check with your authorized Bose dealer. If you decide to run the speaker wire through a wall or undergro
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TM Installing Your 251 Speakers Installing the mounting brackets (cont.) Installing the brackets onto the exterior of a house (cont.) For mounting onto wood, install the supplied screws using a Phillips-head screwdriver (Figure 6A). For concrete use, first install the supplied plastic inserts. Then, using a Phillips-head screwdriver, install the screws (Figure 6B). Figures 6A and 6B A. B. Installing the hardware A. Wood 3 1 ⁄32 inch (2.25 mm) ⁄ inch (6.35 mm) 4 B. Concrete 1 1 1 ⁄2 inch (2.25 m
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TM Installing Your 251 Speakers Installing the mounting brackets (cont.) Installing the brackets onto a deck railing or table (cont.) Finally, install the four screws using a Phillips-head screwdriver (Figure 10). Figure 10 Installing the bracket onto a deck railing or table TM Note: If you are mounting your 251 speakers on a deck railing or table, you will need to rotate the Bose logo. Refer to “Rotating the Bose logo” on page 11 for instructions on how to do this. Attaching the speakers to the
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TM Installing Your 251 Speakers Attaching the speakers to the brackets (cont.) Figures 13A and 13B B. A. Temporarily tighten the speakers to the brackets A. Exterior of the house B. Deck railing or table Making the connections Preparing the speaker wire (not provided) Speaker cord consists of two insulated wires. The insulation around one wire is striped, collared, or ribbed. This marked wire is positive (+). The plain wire is negative (–). These correspond to the red (+) and black (–) terminals
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TM Installing Your 251 Speakers Attaching the speakers to the brackets (cont.) A. B. Figures 16A & 16B Connecting the speaker wire A. Exterior of a house B. Deck railing or table Connecting the speaker wire to the receiver or amplifier 1. Connect the speakers on the left side of the listening area to the left channel of your receiver or amplifier (Figure 17). a. Attach the marked wire to the red (+) terminal. b. Attach the plain wire to the black (–) terminal. 2. Connect the speaker o
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TM Installing Your 251 Speakers Making the connections (cont.) Putting the speakers in the final location Loosen the knobs on each speaker to rotate the speakers into the desired position. Then, tighten the knobs to secure the speaker in its final position (Figures 18A and 18B). Figures 18A and 18B A. B. Putting the speaker in the final position A. Exterior of the house B. Deck railing or table Attaching the rubber feet If you do not plan to use the supplied brackets to mount your 251 environmen
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TM Maintaining Your 251 Speakers Troubleshooting Problem What to do Neither speaker plays • Check the settings on your receiver or amplifier. Refer to the owner’s guide that came with it for instruction on settings. TM • If your 251 speakers are connected as a second set of speakers to your receiver or amplifier, check that 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 th
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Product Information Technical Information Protective features • Galvanized powder coated steel grille • Environmentally resistant hardware • Polymer fiber composite drivers • Nickel-plated brass connection terminals ® • Syncom computer quality control Driver complement TM 1 •Two (2) 2 ⁄ " environmental Twiddler drivers per speaker 2 1 • One (1) 5 ⁄4" environmental woofer per speaker Enclosure • Dual-port molded polypropylene composite • Black or white Dimensions 1 3 •13 ⁄ " H x 5 ⁄ " W x 8" D (3
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©2004 Bose Corporation The Mountain, Framingham, MA 01701-9168 USA 250811-ENGvo AM Rev.04
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® TM The Bose 251 Environmental Speakers Notice d’utilisation
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Informations personnelles TM Les numéros de série se trouvent sur l’étiquette collée au dos des enceintes d’extérieur 251 . Numéros de série : et Nom du revendeur : Numéro de téléphone du revendeur : Date d’achat : Nous vous recommandons de conserver votre facture et votre carte de garantie avec cette notice. 2
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Table des matières Où trouver… Installation Avant-propos ................................................................................................................ 4 Déballage ...................................................................................................................... 4 Outillage nécessaire...................................................................................................... 4 Choix d’un emplacement pour les enceintes ..............................
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Installation Avant-propos ® TM Nous vous remercions d’avoir acheté les enceintes d’extérieur Bose 251 . Ces enceintes d’extérieur à hautes performances sont conçues pour produire un son d’une qualité bien supérieure à celui de leurs concurrents. Les enceintes d’extérieur 251 sont construites pour résister aux intempéries, vous avez donc la certitude qu’elles fonctionneront pendant des années. Déballage Déballez vos enceintes avec soin et conservez tous les matériaux d’emballage en cas d’utilisat
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Installation Choix d’un emplacement pour les enceintes Pour un résultat optimal, montez les deux enceintes sur le même mur, en face de la zone d’écoute. Elles ne doivent en aucun cas se faire face. (À l’extérieur et en l’absence de murs, la longueur de la zone d’écoute tient lieu de « mur ».) TM Les enceintes 251 doivent se trouver à au moins 2 m l’une de l’autre. Avant de monter les enceintes, tenez compte des éléments suivants : • évaluez la quantité de câble d’enceinte nécessaire pour relier
