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The rules should oblige the seller to give the purchaser an operating instrucion of Dual DS12, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Dual DS12 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Dual DS12. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Dual DS12 should contain:
- informations concerning technical data of Dual DS12
- name of the manufacturer and a year of construction of the Dual DS12 item
- rules of operation, control and maintenance of the Dual DS12 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Dual DS12 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Dual DS12, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Dual service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Dual DS12.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Dual DS12 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
INSTALLATION/OWNERS MANUAL DS10 DS12 XS10 DS - XS SERIES Car Audio Subwoofers[...]
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2 DS - XS SERIES PREPARATION Getting Started Safety This symbol is intended to alert the user to the presence of important instructions. Failure to heed the instructions can result in injury or unit damage. To prevent injury and damage to the unit, please read and follow the instructions in this manual. If you feel unsure about installing this syst[...]
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3 DS - XS SERIES INSTALLATION Installation The following installation instructions are very basic. If you feel unsure about personally installing this speaker system, Dual recommends aquiring the services of a professional car audio installation center. Before installation, please follow the following rules: 1. Be sure to carefully read and underst[...]
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4 DS - XS SERIES SUBWOOFER INFO XS Subwoofer Information 4.2" (106.68mm) 4.0" (101.6mm) 8.6" (218.44mm) 9.66" (245.36mm) XS10 Sensitivity: 87dB Freq. Response: 30Hz-125Hz Nominal Impedance: 4 ohms Peak Power: 400 watts RMS: 150 watts Voice Coil Size: 2" Magnet Size: 24oz. Note: All specifications are subject to change witho[...]
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DS Subwoofer Information 5 DS - XS SERIES SUBWOOFER INFO 5.5" (139.7mm) 5.1" (129.54mm) 10.9" (276.86mm) 12.18" (309.37mm) DS10 Sensitivity: 87dB Freq. Response: 30Hz-125Hz Nominal Impedance: 4 ohms Peak Power: 400 watts RMS: 150 watts Voice Coil Size: 2" Magnet Size: 24oz. DS12 Sensitivity: 88dB Freq. Response: 28Hz-125Hz [...]
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6 DS - XS SERIES GUIDELINES Enclosure Guidelines To achieve the best possible sound from this subwoofer enclosure, Dual recommends aquiring the services of a professional car audio installation center. If you feel confident in your ability to install this product without the assistance of a professional, please read this section thoroughly. We have[...]
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7 Enclosure Guidelines DS - XS SERIES CALCULATIONS To work properly, the walls of your enclosure must be free from flexing during high sound pressure generated by your subwoofer(s). For best performance, always use MDF (Medium Density Fiberboard) or Baltic Birch Plywood to build your enclosure. We highly recommend that your wood be at least 3/4&quo[...]
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8 DS - XS SERIES ENCLOSURE DIMENSIONS Sealed Enclosure Attention/Notice: • Dimensions are external 10” Subwoofer Enclosures Good Bass Performance Mini-Enclosure (Vb) Box Volume=.35 Cu. Ft. Example Dimensions: 13.5" W x 13.5" H x 6.625" D Better Bass Performance Small Enclosure (Vb) Box Volume=.55 Cu. Ft. Example Dimensions: 14.5&[...]
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9 Vented Enclosure DS - XS SERIES ENCLOSURE DIMENSIONS Attention/Notice: • Dimensions are external 10” Subwoofer Enclosures Good Bass Performance Mini-Enclosure (Vb) Box Volume=.75 Cu. Ft. Example Dimensions: 13.25" W x 13.25" H x 13" D (P) Port=3" ID x 8.62" Long Better Bass Performance Small Enclosure (Vb) Box Volume=[...]
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10 DS - XS SERIES ENCLOSURE DIMENSIONS Bandpass Enclosure Attention/Notice: • Dimensions are external 10” Subwoofer Enclosures Good Bass Performance/ Mini-Enclosure (Vf) Box Volume .38 Cu. Ft. (Vr) Box Volume .31 Cu. Ft. (P) Port 4" ID x 5.125" Long (Sb) Speaker baffle location/outside front: 5.75" Example Dimensions: 14" W [...]
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11 Limited One-Year Warranty This warranty gives you specific legal rights. You may also have other rights which vary from state to state. Dual Electronics Corp. warrants this product to the original purchaser to be free from defects in material and workmanship for a period of one year from the date of the original purchase. Dual Electronics Corp. [...]
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Namsung America Inc. 21318 64th Ave. South Kent, WA 98032 U.S.A. Toll Free: 1-866-626-7863 ©2006 Namsung America, Inc. NSA0406-V01[...]