Assessments - 5, GPA: 4.4 ( )

Fabricante : Boston Acoustics Arquivo Tamanho: 402.38 kb Arquivo Nome : Língua de Ensino:

The joints should be liberally glued with carpenter’s wood glue and screwed together with wood screws and sealed internally with a bead of silicone rubber or hot melt glue. Drill pilot holes to prevent the wood from splitting and tighten the screws as much as possible. Excess glue can be wiped off with a damp sponge or paper towel. Warning It is extremely important to completely seal the enclosure. Even small leaks can have a dramatic effect on sub- woofer performance. Look, listen, and test for leaks at all joints, around the subwoofer perimeter, and at the wire entrance location. Screws Glue Sealant Locating Subwoofer Enclosure in Vehicle The placement of the enclosure is one of the most important factors concerning installation. As each vehicle’s interior acoustics are different, experimentation is the key to optimizing performance. Hatchbacks/Sport Utility Vehicles Locate the enclosure in a rear corner for maximum output. Experiment with the subwoofer’s placement. Hatchback Installation Warning Make sure the enclosure is securely mounted in such a way as to not shift or fly forward in the event of an accident or sudden stop. Sedans Provide as clear a path as possible into the cabin by venting through a folded-down arm rest, venting through the rear deck, or venting through an unused speaker opening in the rear deck. Keep any restrictive materials such as wood, hard plastic or metal from directly blocking the subwoofer. Sedan Installation Wiring 2 ohm subwoofers One 2. sub Two 2. subs, series Two 2. subs, parallel Three 2. subs, series Four 2. subs, series/parallel Wiring 4 ohm subwoofers One 4. sub Two 4. subs, parallel Three 4. subs, parallel Four 4. subs, series/parallel Four 4. subs, parallel ProSeries Competitor Series Specifications 12.5LF 10.5LF 8.5LF 1500 Nominal Size 12" (30cm) 10" (25cm) 8" (20cm) 15" (38cm) Mounting Cutout Diameter 11" (280mm) 91.8" (232mm) 73.16" (183mm) 137.8" (353mm) Mounting Depth—Front Mounted 55.8" (143mm) 43.4" (121mm) 41.16" (104mm) 73.4" (197mm) Mounting Depth—Rear Mounted 63.8" (162mm) 5" (127mm) 411.16" (119mm) 81.4" (210mm) Recommended Amplifier Power 50–1200 watts 50–1100 watts 50–750 watts 50–1000 watts Nominal Impedance 2./4. 2./4. 2./4. 2./4. ProSeries Competitor Series Theile/Small Parameters 12.5LF 12.5LF 10.5LF 10.5LF 8.5LF 8.5LF 1500 1500 (2.) (4.) (2.) (4.) (2.) (4.) (2.) (4.) Resonant Frequency (Fs) 30Hz 31Hz 33Hz 34Hz 35Hz 36Hz 34Hz 35Hz Equivalent Volume (Vas) 84 liters 84 liters 35 liters 35 liters 21 liters 21 liters 155 liters 155 liters 2.97ft3 2.97ft3 1.24ft3 1.24ft3 0.74ft3 0.74ft3 5.47ft3 5.47ft3 Total Q (Qts) 0.45 0.57 0.44 0.53 0.33 0.40 0.72 0.85 Electrical Q (Qes) 0.47 0.61 0.47 0.57 0.35 0.42 0.81 0.97 Mechanical Q (Qms) 9.8 9.6 8.0 7.8 9.0 9.0 8.3 8.3 Compliance (Cms) 230.m/N 230.m/N 255.m/N 255.m/N 330.m/N 330.m/N 142.m/N 142.m/N Moving Mass (Mms) 121g 117g 90g 86g 63g 60g 148g 145g Cone Area (Sd) 510cm2 510cm2 315cm2 315cm2 215cm2 215cm2 876cm2 876cm2 Voice Coil Diameter 51mm 5...

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