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Dear Valued Customer, Thank you for choosing Diamond Audio D1 subwoofers. These speakers represent the latest advances in acoustic technology, and like all Diamond Audio products, are hand built and tested using the highest grade components and state of the art techniques. When installed properly, they will provide many years of accurate sound reproduction.
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PHYSICAL DIMENSIONS Dimension (in./mm) D110 D112 Total Diameter (A) 10.35 in. (263.5 mm) 12.4 in. (315 mm) Mounting Diameter (B) 9.2 in. (232.5 mm) 11 in. (280 mm) Screw Hole Diameter (C) 9.83 in. (249.7 mm) 11.8 in. (300 mm) Mounting Depth (D) 4.6 in.
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LIMITED SPEAKER WARRANTY STATEMENT Diamond Audio Technologies, LLC (DAT) warrants this product to be free from defects in material and workmanship for a period of one (1) year from the original date of purchase provided it was purchased from an authorized DAT retailer within the United States. However, if this product was installed by the authorized DAT retailer, the warranty period will be extended to three (3) years.