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® TM
The Bose 251 Environmental Speakers
Owner’s Guide
Brugervejledning
Bedienungsanleitung
Guía del usuario
Notice d’utilisation
Manuale di istruzioni
Gebruiksaanwijzing
Bruksanvisning
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Contents 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. 2 English
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English Español Français Italiano Nederlands Dansk Deutsch Svenska Contents Where to find… Setting Up Before you begin ........................................................................................................... 4 Unpacking the carton .................................................................................................... 4 Tools required ................................................................................................................ 4 Selecting the loc
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Setting Up Before you begin… ® TM Thank you for purchasing Bose 251 environmental speakers. These high-performance out- door speakers are engineered to provide sound quality far beyond that of other environmental 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 cont
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English 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
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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 under
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English 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 (Fig- ure 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 ⁄ inch (2.25 mm) ⁄ inch (6.35 mm) 32 4 B. Concrete 1 1 1
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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 t
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English 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 blac
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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
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English 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 2
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TM Maintaining Your 251 Speakers Product Information 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
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English 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 1 TM • Two (2) 2 ⁄ ” environmental Twiddler drivers per speaker 2 1 • One (1) 5 ⁄ ” environmental woofer per speaker 4 Enclosure • Dual-port molded polypropylene composite • Black or white Dimensions 1 3 • 13 ⁄ ” H x 5 ⁄ ”
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© 2008 Bose Corporation, The Mountain Framingham, MA 01701-9168 USA AM250811 Rev.06
