Instruction/ maintenance manual of the product SD12 Dual
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INSTALLATION/OWNERS MANUAL SD12 Car Audio Subwoofers.
2 SD12 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.
3 SD12 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. CAUTION Before installation, please follow the following rules: 1.
4 SD12 SPECIFICATIONS Specifications Sensitivity: 88dB Freq. Response: 28Hz-125Hz Nominal Impedance: 4 ohms Peak Power: 500 watts RMS: 175 watts Voice Coil Size: 2" Magnet Size: 38.2oz. Note: All specifications are subject to change without notice.
5 SD12 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.
6 SD12 GUIDELINES Enclosure Guidelines We at Dual are diligent in checking the dimensions provided. The engineers, staff and installers provide this information to make your installation go as smoothly as possible. Errors do occasionally occur. We highly recommend that you personally measure your subwoofer prior to installation to avoid any damage.
7 SD12 ENCLOSURE DIMENSIONS Sealed Enclosure Good Bass Performance Mini-Enclosure (Vb) Box Volume=.75 Cu. Ft. Example Dimensions: 14" W x 14" H x 11.
8 SD12 ENCLOSURE DIMENSIONS Vented Enclosure Good Bass Performance Mini-Enclosure (Vb) Box Volume=1 Cu. Ft. Example Dimensions: 14.25" W x 17" H x 12" D (P) Port=3" ID x 9.7" Long Better Bass Performance Small Enclosure (Vb) Box Volume=1.
9 SD12 ENCLOSURE DIMENSIONS Bandpass Enclosure Good Bass Performance/Mini-Enclosure (Vf) Box Volume .84 Cu. Ft. (Vr) Box Volume .47 Cu. Ft. (P) Port 4" ID x 1.0" Long (Sb) Speaker baffle location/outside front: 9.25" Example Dimensions: 15" W x 16.
10 SD12 WARRANTY 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.
11 SD12 NOTES Notes.
Dual Electronics Corporation Toll Free: 1-866-382-5476 www.dualav.com ©2009 Dual Electronics Corp. All rights reserved. NSA1208-V01.1.
An important point after buying a device Dual SD12 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dual SD12 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dual SD12 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dual SD12 you will learn all the available features of the product, as well as information on its operation. The information that you get Dual SD12 will certainly help you make a decision on the purchase.
If you already are a holder of Dual SD12, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dual SD12.
However, one of the most important roles played by the user manual is to help in solving problems with Dual SD12. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dual SD12 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
