Bose 251 environmental speakers Sold from February 2000 User Manual
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AM250811_04_V.pdf October 30, 2001 11 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 Putting the speaker in the final position A. Exterior of the house B. Deck railing or table A. B. Installing Your 251TM Speakers Attaching the rubber feet If you do not plan to use the supplied brackets to mount your 251 environmental speakers, you can place them on a sturdy, level surface. They should be standing in the vertical posi- tion. Be sure to attach the rubber feet before using your speakers. For proper balance be sure to place the feet in the position shown in Figure 19. Figure 19 Attaching the rubber feet Rotating the Bose logo Mounting the speakers on a deck railing or table will require you to rotate the Bose logo. Using your fingers, gently lift the logo, taking care not to detach it from the speaker, about 1⁄4 inch (.24 cm) and turn it 180º. Figure 20 Rotating the Bose logo
12 October 30, 2001 AM250811_04_V.pdf 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. • If your 251 TM 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 the tonal balance setting on your receiver or amplifier. Only one speaker plays • Check the balance control on your receiver or amplifier and make sure it’s 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 the “Making the connections” section on page 9. Only one speaker still plays • Disconnect the working speaker from the receiver or amplifier. • Switch the cord of the “faulty” speaker from its original receiver or amplifier jacks to the other set of jacks (the working speaker was originally attached to those jacks). - If the speaker now works, the problem is in your receiver or amplifier. Reconnect your speakers to a working unit. - If there is still no sound from the speaker, continue below. • Remove the cord from the working speaker and connect it to the “faulty” speaker. - If the speaker now works, the problem was in the original speaker cord. - If there is still no sound, the problem is in the speaker. • If trouble persists, contact your authorized Bose ® dealer, who will arrange for service. Or, contact Bose customer service. See the inside back cover of this owner’s guide for a list of phone numbers. Warranty period Bose 251 environmental speakers are covered by a limited five-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. Customer service For additional help in solving problems, contact Bose Customer Service. See the inside back cover for offices and phone numbers. Cleaning your speakers Use a cloth dampened in mild detergent and water to remove dust or dirt from the outside of your 251 speakers. Or use a hose to rinse them thoroughly with fresh water. Do not use enough pressure to force water behind the grille and into the drivers or the acoustic ports. Protecting the speaker wire The bare ends of the speaker cord can be affected by exposure to the elements. This is especially true of saltwater exposure. You may use a silicone caulking material, such as RTV adhesive, to protect the connections. It is commonly available at hardware stores. If you do use caulking, apply it only after the wires are connected and the knobs tightened down. Check the connections annually, and reapply as needed. Problem What to do Troubleshooting Maintaining Your 251TM Speakers
AM250811_04_V.pdf October 30, 2001 13 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 • Two (2) 21⁄2" environmental TwiddlerTM drivers per speaker • One (1) 5 1⁄4" environmental woofer per speaker Enclosure • Dual-port molded polypropylene composite • Black or white Dimensions •131⁄2" H x 53⁄4" W x 8" D (34.29 cm x 14.6 cm x 20.32 cm) Compatibility • Compatible with amplifiers or receivers rated 10-200 watts per channel/rated 4 to 8 ohms • 100W IEC continuous power handling; rated 6 ohms Environmental Capabilities • Designed to withstand: – salt fog, sun, high humidity (100%RH) – temperature extremes (-40°F to 158°F; -40°C to 70°C) Wire recommendations • Based on a maximum frequency response deviation of ±0.5 dB Gauge Length 18 (0.75 mm 2) 30 ft (9 m) maximum 16 (1.5 mm 2) 45 ft (14 m) maximum 14 (2.0 mm 2) 70 ft (21 m) maximum Weight • 8 lb (3.63 kg) each Product Information
AM250811_04_V.pdf October 30, 2001 15 Bose® Corporation Italia Bose S.p.A., V ia della Magliana 876 00148 Roma www .bose.iT TEL 06-65670802 FAX 06-65680167 Japan Bose K.K., Shibuya YT Building 28-3 Maruyama-cho Shibuya-ku, T okyo 150 TEL 3-5489-0955 FAX 3-5489-0592 Nederland Bose B.V ., Nijver heidstraat 8 1135 GE Edam TEL 0299-390111 FAX 0299-390109 Norge Bose A/S, Solheimsgate 11 N-2001, Lillestrøm TEL 63-817380 FAX 63-810819 Österreich Bose Ges.m.b.H., V ienna Business Park W ienerber gstrasse 7 (10.OG) A-1100 V ienna TEL 01-60404340 FAX 01-604043423 Schweiz Bose AG, Rünenber gerstrasse 13 4460-Gelterkinden TEL 061-9815544 FAX 061-9815502 Sverige Bose A/S, Johannefr edsgatan 4 S-43153 Mölndal TEL 31-878850 FAX 31-274891 United Kingdom Bose Limited 1 Ambley Gr een Gillingham Business Park Gillingham, Kent ME8 ONJ TEL 0870-741-4500 FAX 0870-741-4545 From other locations Bose Customer Ser vice, 1 New Y ork A ve. Framingham, MA 01701-9168 USA TEL (508) 766-1900 FAX (508) 766-1919 World Wide Web www .bose.com USA Bose Corporation, The Mountain Framingham, MA 01701-9168 1-800-367-4008 Phone hours - ET (eastern time): Weekdays 8:30 a.m. to 8 p.m. Saturdays 9 a.m. to 3 p.m. 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. European Office Bose Pr oducts B.V ., Nijver heidstraat 8 1135 GE Edam, Nederland TEL 0299-390111 FAX 0299-390114 Australia Bose Pty Limited, 1 Sorrell Street Par ramatta NSW , 2150 TEL 02 9204-6111 FAX 02 9204-6122 Belgique/België Bose N.V ., Limesweg 2, B-3700 T onger en TEL 012-390800 FAX 012-390840 Danmark Bose A/S, Industrivej 7, 2605 Brøndby TEL 4343-7777 FAX 4343-7818 Deutschland Bose GmbH, Max-Planck-Straße 36d D-61381 Friedrichsdorf TEL 06172-71040 FAX 06172-710419 France Bose S.A., 6, r ue Saint V incent 78100 Saint Germain en Laye TEL 01-30616363 FAX 01-30614105 India Bose Corporation India Private Limited W-16, Gr eater Kailash-II New Delhi 110 048 TEL (011) 648 4462 FAX (011) 648 4463 Ireland Bose Corporation Carrickmacross, Co Monaghan TEL (042) 9661988 FAX (042) 9661998
16 October 30, 2001 AM250811_04_V.pdf © 2000 Bose Corporation, The Mountain Framingham, MA 01701-9168 USA 250811 AM Rev.04 JN10679