Dual SD12 User Manual
SD12
INSTALLATION/OWNERS MANUAL
Car Audio Subwoofers
SD12 PREPARATION
CAUTION
CAUTION
CAUTION
CAUTION
Getting Started
Thank you for purchasing a Dual SD12 subwoofer. Although Dual has attempted to make
sure all of the information contained within this manual is accurate, please be aware that
any part of it is subject to change without notice.
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 system yourself, have it
installed by a qualified audio technician.
Before installation, disconnect the battery negative (-) terminal to
prevent damage to the unit, fire and/or possible injury.
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SD12 INSTALLATION
CAUTION
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 understand the instructions before attempting to install
this product.
2. For safety, disconnect the negative terminal from the battery prior to beginning the
installation.
3. For easier assembly: If additional wiring is required, we recommend running all wires
prior to mounting your speaker in place.
4. Use the highest quality connectors for a reliable installation and to minimize signal or
power loss.
5. Use caution before you drill or cut! Be careful not to cut or drill into gas tanks, fuel
lines, brake or hydraulic lines, vacuum lines or electrical wiring when working on any
vehicle.
6. Never run speaker wires underneath your vehicle. Running speaker wires inside the
vehicle provides the best protection from exhaust heat and environmental elements.
7. Avoid running wires over, near, or through sharp edged surfaces. We suggest you also
use rubber grommets to protect any wires routed through metal, especially the firewall.
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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 speciļ¬cations are subject to change without notice.
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