DD Audio SW12A-D4 12-inch 600W Dual 4-Ohm Subwoofer Instruction Manual

1. Pengenalan

Thank you for choosing the DD Audio SW12A-D4 12-inch Dual 4-Ohm Subwoofer. This manual provides essential information for the proper installation, operation, and maintenance of your new subwoofer. Please read this manual thoroughly before attempting installation or use to ensure optimal performance and longevity of your product.

The SW12A-D4 is part of the REDLINE Hi-Def Tuned Subwoofer Series, designed to deliver powerful and clear bass reproduction for your audio system.

2. Maklumat Keselamatan

Sentiasa patuhi langkah berjaga-jaga keselamatan berikut untuk mengelakkan kecederaan atau kerosakan pada peralatan:

• Pemasangan Profesional Disyorkan: If you are unsure about any aspect of installation, consult a qualified car audio professional.
• Matikan: Disconnect the vehicle's battery before performing any wiring or installation to prevent electrical shorts and damage.
• Pendawaian yang betul: Ensure all wiring connections are secure and correctly polarized. Incorrect wiring can damage the subwoofer and amplebih hidup.
• Pengudaraan: Pastikan pengudaraan yang mencukupi di sekeliling subwufer dan amppelapis untuk mengelakkan terlalu panas.
• Tahap Kelantangan: Prolonged exposure to high sound pressure levels can cause permanent hearing damage. Use caution when adjusting volume.
• Pemasangan selamat: Pasangkan subwoofer dengan kukuh untuk mengelakkannya daripada menjadi projektil sekiranya berlaku berhenti secara tiba-tiba atau kemalangan.

3. Kandungan Pakej

Selepas membuka bungkusan, sila sahkan bahawa semua item ada dan dalam keadaan baik:

• DD Audio SW12A-D4 12-inch Subwoofer (1 unit)
• Manual Arahan (dokumen ini)

Note: Additional mounting hardware or wiring may be required and is typically sold separately.

4. Ciri-ciri

The DD Audio SW12A-D4 subwoofer incorporates several design elements for enhanced performance:

• High Temperature 2-inch Voice Coil
• Dual Voice Coil (DVC) 4 Ohm Configuration
• EROM Surround for durability and excursion
• Vented Stamped Steel Frame for structural integrity and cooling
• Vented Backplate for improved thermal management
• Push Terminals for secure and easy wire connection

5. Persediaan dan Pemasangan

Proper installation is crucial for the performance and longevity of your subwoofer. Follow these guidelines carefully.

5.1. Pemasangan

The SW12A-D4 is designed for flush mounting. Ensure the mounting surface is rigid and free from obstructions. Use appropriate fasteners (not included) to secure the subwoofer.

• Diameter Pemasangan: 11 inci (27.94 cm)
• Kedalaman Pemasangan: 5.34 inci (13.56 cm)
• Frame Outer Diameter (with gasket): 12.4 inci (31.5 cm)

Before cutting, double-check all measurements to ensure a proper fit and clearance for the subwoofer's motor structure.

Imej: Sisi view of the DD Audio SW12A-D4 subwoofer, highlighting the mounting flange and push terminals.

5.2. Wiring (Dual 4-Ohm Voice Coils)

The SW12A-D4 features dual 4-ohm voice coils, offering flexibility in wiring configurations to match your ampkeperluan impedans pengalir. Sentiasa pastikan anda ampPenguat kuasa stabil pada impedans yang dipilih.

• Pendawaian Selari (Beban 2 Ohm): Connect the positive (+) terminals of both voice coils together, and the negative (-) terminals of both voice coils together. Then connect the combined positive to the ampoutput positif lifer dan gabungan negatif kepada amplifier's negative output. This configuration results in a 2-ohm load.
• Pendawaian Siri (Beban 8 Ohm): Connect the positive (+) terminal of one voice coil to the negative (-) terminal of the other voice coil. Then connect the remaining positive (+) terminal to the amplifier's positive output and the remaining negative (-) terminal to the amplifier's negative output. This configuration results in an 8-ohm load.

Rujuk kepada anda amplifier's manual for recommended impedance loads. Incorrect impedance can lead to amplifier damage or reduced performance.

Imej: Belakang view of the DD Audio SW12A-D4 subwoofer, displaying the robust magnet structure and the dual push terminals for voice coil connections.

5.3. Syor Lampiran

The type and size of the enclosure significantly impact subwoofer performance. The following are general recommendations:

• Sealed Enclosure Volume: 0.8 - 1.5 cubic feet (22.6 - 42.5 liters)
• Ported Enclosure Volume: 1.0 - 1.75 cubic feet (28.3 - 49.6 liters)

These are starting points; fine-tuning may be necessary based on your specific vehicle and listening preferences. Consult with a car audio specialist for custom enclosure designs.

Imej: Depan view of the DD Audio SW12A-D4 subwoofer, showcasing the cone, EROM surround, and the DD Audio logo on the dust cap.

6. Arahan Operasi

Once installed, follow these steps for initial operation and optimal performance:

1. Kuasa Permulaan: After installation, turn on your head unit and amplifier at a low volume setting.
2. Pelarasan Keuntungan: Carefully adjust the gain setting on your amplifier. Do not set the gain too high, as this can lead to distortion and damage to the subwoofer. Use a multimeter or oscilloscope for precise gain setting if possible.
3. Tetapan Crossover: Tetapkan penapis laluan rendah (LPF) pada anda amplifier or head unit to filter out frequencies above the subwoofer's optimal range (typically 60-100 Hz). This ensures the subwoofer only reproduces bass frequencies.
4. Penapis Subsonik: Jika anda amplifier has a subsonic filter, set it to protect the subwoofer from playing frequencies below its resonant frequency (Fs). For the SW12A-D4 (Fs: 33 Hz), a setting around 25-30 Hz is often appropriate.
5. Tempoh Pecah Masuk: Allow a break-in period of several hours of moderate listening before pushing the subwoofer to its limits. This allows the suspension components to loosen up and reach their optimal performance.

Imej: Bahagian hadapan bersudut view of the DD Audio SW12A-D4 subwoofer, showing the depth of the cone and the robust surround.

7. Penyelenggaraan

The DD Audio SW12A-D4 subwoofer requires minimal maintenance to ensure long-term performance:

• Pembersihan: Use a soft, dry cloth to gently wipe down the cone and surround. Avoid using harsh chemicals or excessive moisture.
• Pemeriksaan: Periodically inspect the subwoofer for any signs of damage, such as tears in the surround or cone, or loose connections at the terminals.
• Perlindungan Alam Sekitar: Protect the subwoofer from extreme temperatures, direct sunlight, and moisture. While not waterproof, reasonable care will extend its life.

Imej: Atas ke bawah view of the DD Audio SW12A-D4 subwoofer, providing a clear look at the cone material and the EROM surround.

8. Penyelesaian masalah

Jika anda menghadapi masalah dengan subwufer anda, rujuk kepada masalah dan penyelesaian biasa berikut:

• Tiada Bunyi:
  • Check all wiring connections (power, ground, remote, signal, speaker wires) for looseness or incorrect polarity.
  • Sahkan amplifier is powered on (check power indicator light).
  • Ensure the head unit is sending a signal to the amplebih hidup.
  • Semak amplifier fuses and vehicle fuses.
• Bunyi Herot:
  • Kurangkan ampkeuntungan penguat.
  • Check for proper crossover settings (LPF too high or too low).
  • Ensure the subwoofer is not over-powered or under-powered by the amplebih hidup.
  • Inspect the subwoofer cone and surround for physical damage.
• Bass lemah:
  • Sahkan kekutuban pendawaian yang betul.
  • Semak amplifier gain and head unit subwoofer level settings.
  • Ensure the enclosure volume is appropriate for the subwoofer.
  • Check for air leaks in the enclosure.
• Subwoofer Overheating:
  • Kurangkan kelantangan atau ampkeuntungan penguat.
  • Ensure adequate ventilation for the subwoofer and amplebih hidup.
  • Verify correct impedance matching between subwoofer and amplebih hidup.

If these steps do not resolve the issue, contact DD Audio customer support or your authorized dealer for further assistance.

9. Spesifikasi

Detailed technical specifications for the DD Audio SW12A-D4 subwoofer:

10. Waranti dan Sokongan

The DD Audio SW12A-D4 subwoofer comes with a Waranti Terhad. Please refer to the warranty card included with your product or visit the official DD Audio webtapak untuk terma dan syarat terperinci mengenai perlindungan waranti, tempoh dan prosedur tuntutan.

For technical support, troubleshooting assistance beyond this manual, or warranty inquiries, please contact your authorized DD Audio dealer or visit the official DD Audio support portal:

DD Audio Official Support

When contacting support, please have your product model (SW12A-D4) and purchase information readily available.