Targa TG-SKA8001 8" Active Subwoofer & Amplifier System User Manual

1. Introduction

Thank you for purchasing the Targa TG-SKA8001 8" Active Subwoofer & Amplifier System. This manual provides essential information for the proper installation, operation, and maintenance of your new audio system. Please read this manual thoroughly before attempting installation or operation to ensure optimal performance and safety. Keep this manual for future reference.

2. Safety Information

Important Safety Instructions:

• Always disconnect the vehicle's battery negative terminal before starting any electrical work.
• Ensure all wiring is properly routed and secured to prevent damage or short circuits.
• Do not install the subwoofer in locations where it may obstruct the driver's view or interfere with vehicle operation.
• Avoid installing the unit in areas exposed to direct sunlight, extreme heat, moisture, or excessive dust.
• Use fuses of the specified rating. Using incorrect fuses can cause fire or damage to the unit.
• If you are unsure about any installation steps, consult a qualified car audio professional.
• Do not attempt to open or modify the unit. This will void the warranty and may cause damage.

3. Package Contents

Verify that all items are present in the package:

• 1 x Targa TG-SKA8001 Active Subwoofer & Amplifier System
• 1 x Remote Bass Level Control
• 1 x Wiring Harness (Power, Ground, Remote, High-Level Input)
• 1 x EvoTuning 300W Super Tweeters Set (Accessory)
• 1 x Gel Key Holder (Accessory)
• User Manual (This document)

4. Product Overview

The Targa TG-SKA8001 is an 8-inch active subwoofer system designed to enhance your vehicle's audio experience with powerful bass. It features a built-in amplifier, eliminating the need for a separate external amplifier. The compact design allows for flexible installation options within your vehicle.

Figure 4.1: Targa TG-SKA8001 Active Subwoofer System. This image displays the compact black subwoofer unit, featuring an 8-inch speaker grille on top. The rear panel shows various input/output terminals and controls. A wired remote bass level control unit and its connecting cable are also visible.

4.1 Control Panel and Connections

Familiarize yourself with the control panel and connection terminals located on the side of the subwoofer unit. These typically include:

• RCA Input: For connecting to your head unit's RCA pre-outs.
• High-Level Input: For connecting to your head unit's speaker outputs if RCA outputs are not available.
• Gain Control: Adjusts the input sensitivity to match your head unit's output.
• Low Pass Filter (LPF): Adjusts the upper frequency limit of the subwoofer.
• Phase Switch: (0°/180°) Adjusts the phase of the subwoofer output relative to the main speakers.
• Bass Boost: Enhances bass output at a specific frequency.
• Remote Level Control Port: For connecting the wired remote bass control.
• Power Terminal Block: For Power (+12V), Ground (GND), and Remote Turn-On (REM) connections.
• Fuse Holder: Contains the protective fuse for the unit.

5. Setup & Installation

Proper installation is crucial for the performance and longevity of your subwoofer. If you are not confident in performing the installation yourself, seek professional assistance.

5.1 Mounting Location

Choose a secure and dry location for mounting the subwoofer. Common locations include under a seat, in the trunk, or behind a rear seat. Ensure adequate ventilation around the unit.

• Avoid mounting in direct sunlight or near heat sources.
• Ensure the mounting surface is strong enough to support the unit's weight.
• Do not block any vehicle controls or safety equipment.

5.2 Wiring Connections

Before making any connections, disconnect the negative terminal of your vehicle's battery.

1. Power Connection (+12V):
   • Run a power cable (minimum 8 AWG recommended) directly from the vehicle's positive battery terminal to the +12V terminal on the subwoofer.
   • Install an in-line fuse holder with a fuse (e.g., 20A-30A, refer to unit specifications for exact rating) within 18 inches (45 cm) of the battery.
2. Ground Connection (GND):
   • Connect a ground cable (same gauge as power cable) from the GND terminal on the subwoofer to a clean, unpainted metal surface on the vehicle chassis.
   • Ensure a good electrical connection by scraping away any paint or rust from the contact point.
3. Remote Turn-On Connection (REM):
   • Connect a remote turn-on wire (e.g., 18 AWG) from the REM terminal on the subwoofer to the remote output of your head unit. This wire tells the subwoofer to turn on when your head unit is on.
   • If your head unit does not have a remote output, you may connect it to an accessory wire that turns on with the ignition, but this is less ideal.
4. Audio Input Connection:
   • RCA Input: Connect RCA cables from the head unit's subwoofer pre-out (or full-range pre-out) to the RCA input jacks on the subwoofer.
   • High-Level Input: If your head unit lacks RCA outputs, use the provided high-level input harness. Connect the speaker wires from your head unit's rear speakers (or full-range speakers) to the corresponding wires on the high-level input harness.
5. Remote Bass Level Control:
   • Connect the remote bass level control cable to the designated port on the subwoofer.
   • Mount the remote control in an easily accessible location for the driver.

After all connections are made, reconnect the vehicle's battery negative terminal.

6. Operating Instructions

Once installed, you can power on your head unit and begin adjusting the subwoofer settings for optimal sound.

6.1 Initial Setup and Adjustments

1. Gain Control:
   • Turn the gain control on the subwoofer to its minimum (lowest) setting.
   • Play a familiar piece of music through your head unit at about 75% of its maximum volume.
   • Slowly increase the gain control on the subwoofer until you hear distortion, then back it off slightly until the sound is clear.
   • The gain control is not a volume knob; it matches the subwoofer's input sensitivity to the head unit's output.
2. Low Pass Filter (LPF):
   • Adjust the LPF to filter out higher frequencies, allowing only bass frequencies to pass through to the subwoofer.
   • A common starting point is between 80Hz and 120Hz. Experiment to find the best blend with your main speakers.
3. Phase Switch (0°/180°):
   • Listen to the bass output from the driver's seat.
   • Toggle the phase switch between 0° and 180°. Choose the setting that provides the most impactful and cohesive bass response. This helps to ensure the subwoofer's output is in sync with your main speakers.
4. Bass Boost:
   • Use the bass boost sparingly. Excessive bass boost can lead to distortion and potential damage to the subwoofer.
   • Adjust it to your preference, ensuring the bass remains clean and undistorted.
5. Remote Bass Level Control:
   • This control allows you to adjust the subwoofer's output level conveniently from the driver's seat without affecting the main system volume.

7. Maintenance

Regular maintenance ensures the longevity and optimal performance of your Targa TG-SKA8001 subwoofer.

• Cleaning: Use a soft, dry cloth to wipe down the exterior of the unit. Do not use harsh chemicals, solvents, or abrasive cleaners.
• Ventilation: Ensure that the subwoofer's ventilation areas are not blocked by debris or other objects. Proper airflow is essential for cooling the amplifier.
• Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to poor performance or damage.
• Fuse Replacement: If the fuse blows, replace it only with a fuse of the exact same type and rating as specified in the specifications section or on the unit itself. Never use a higher-rated fuse.

8. Troubleshooting

If you experience problems with your subwoofer, refer to the following troubleshooting guide before contacting support.

9. Specifications

Technical specifications for the Targa TG-SKA8001 Active Subwoofer & Amplifier System:

10. Warranty & Support

Warranty Description: This product comes with a 6-month warranty from the date of purchase. This warranty covers manufacturing defects and faulty workmanship under normal use. It does not cover damage caused by improper installation, misuse, accident, neglect, or unauthorized modification.

For warranty claims or technical support, please contact your retailer or the manufacturer with your proof of purchase.