Entwodiksyon
Thank you for choosing the DD Audio 512E-D4 12-inch Dual 4-Ohm Subwoofers. This manual provides essential information for the proper installation, operation, and maintenance of your subwoofers. Please read this manual thoroughly before installation to ensure optimal performance and longevity of your product.

Image: Two DD Audio 512E-D4 12-inch subwoofers, front view, montreasing the cone and surround with the DD Audio logo.
Enstalasyon ak Enstalasyon
Proper installation is crucial for the performance and safety of your subwoofers. If you are unsure about any part of the installation process, it is recommended to seek assistance from a professional installer.
Debake
Carefully remove the subwoofers from their packaging. Inspect them for any signs of damage that may have occurred during shipping. Retain the packaging for future transport or storage.
Konsiderasyon aliye
The DD Audio 512E-D4 subwoofers are designed for flush mounting. Ensure the mounting surface is rigid and capable of supporting the weight of the subwoofer. Refer to the specifications section for precise mounting dimensions.
- Dyamèt Montage: 11.02 pous
- Pwofondè monte: 6.5 pous
Rekòmandasyon Patiraj
For optimal sound quality and performance, these subwoofers are best utilized in a ported enclosure. The recommended volume for a ported enclosure is between 1.75 and 2.75 cubic feet per subwoofer.
Fil elektrik
The 512E-D4 features a Dual 4-Ohm voice coil configuration. Proper wiring is essential to match the impedance requirements of your amplifier. Consult your amplifier's manual for compatible impedance loads.
Common wiring configurations for dual voice coil subwoofers:
- Series Wiring (for a single subwoofer): Connect the positive terminal of one voice coil to the negative terminal of the other voice coil. The remaining positive and negative terminals will present an 8-Ohm load.
- Parallel Wiring (for a single subwoofer): Connect both positive terminals together and both negative terminals together. This will present a 2-Ohm load.
- Plizyè Subwoofer: When using multiple subwoofers, further series or parallel connections can be made to achieve the desired final impedance. Always ensure the final impedance matches your ampranje fonksyònman ki estab pou lifikatè a.

Image: Two DD Audio 512E-D4 12-inch subwoofers, side-rear view, highlighting the robust magnet structure and the wiring terminals for connection.
Enstriksyon Operasyon
Once installed, follow these guidelines for safe and effective operation of your DD Audio subwoofers.
Manyen pouvwa
The 512E-D4 subwoofers are rated for 700 Watts RMS and 2100 Watts Peak power. It is important to match your amplifier's output to these ratings to prevent damage. Underpowering a subwoofer can be as damaging as overpowering it, as it can lead to clipping and distortion from the amplifier.
Initial Break-in Period
Allow a break-in period of approximately 20-30 hours of normal listening before operating the subwoofers at high volumes. This allows the suspension components (surround and spider) to loosen up and reach their optimal compliance.
Sistèm kontwòl
Ajiste ou amplifier's gain, crossover, and bass boost settings carefully. Start with low settings and gradually increase them while listening for any signs of distortion. The goal is clean, powerful bass, not excessive volume that leads to damage.
Antretyen
Regular maintenance will help ensure the longevity and performance of your subwoofers.
Netwayaj
Use a soft, dry cloth to wipe down the subwoofer cone and frame. Avoid using harsh chemicals or excessive moisture, which can damage the materials. Keep the area around the subwoofer free of dust and debris.
Enspeksyon
Periodically inspect the subwoofer for any signs of wear or damage, such as tears in the surround, loose connections, or unusual noises. Address any issues promptly to prevent further damage.
Konsiderasyon anviwònman an
Avoid exposing the subwoofers to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture. These conditions can degrade the materials and affect performance.
Depanaj
If you encounter issues with your subwoofers, refer to the following common troubleshooting steps:
- Pa gen son:
- Tcheke tout koneksyon fil elektrik ki soti nan amplifier to the subwoofer. Ensure they are secure and correctly polarized.
- Verifye a ampLifter la limen epi li resevwa yon siyal.
- Tcheke amplifier fuses and system fuses.
- Son defòme:
- Diminye a amplifier gain or head unit volume. Distortion often indicates the amplifier ap koupe.
- Check for proper impedance matching between the subwoofer and amplifier.
- Ensure the subwoofer is securely mounted and not vibrating against the enclosure.
- Bas fèb oswa toufe:
- Verify the subwoofer is wired in phase with other speakers in the system.
- Check crossover settings on the amplifier or head unit. Ensure the low-pass filter is set appropriately for a subwoofer.
- Confirm the enclosure volume and tuning are suitable for the subwoofer.
- Surchof:
- Asire bon jan vantilasyon alantou an amplifier.
- Reduce prolonged high-volume listening.
- Check for proper impedance matching. Incorrect impedance can cause the amplifier to work harder and overheat.
If these steps do not resolve the issue, contact DD Audio customer support or a qualified technician.
Espesifikasyon
Below are the detailed technical specifications for the DD Audio 512E-D4 12-inch Dual 4-Ohm Subwoofers:
| Spesifikasyon | Valè |
|---|---|
| Gwosè Oratè | 12 pous |
| Watts RMS | 700 Watts |
| Watts Peak | 2100 Watts |
| Enpedans | Dual 4-Ohm (D4) |
| Voice Coil Diameter (VCD) | 3 pous |
| frekans sonorite (Fs) | 33 Hz |
| QMS | 4.88 |
| Kes | 0.73 |
| QTS | 0.64 |
| Volim ekivalan (Vas) | 30.16 lit |
| BL (TM) | 25 |
| Xmech | 30 MM |
| xmax | 18 MM |
| Frame Outer Diameter (OD) | 12.125 pous |
| Frame OD w/Gasket | 12.4 pous |
| Mounting Dyamèt | 11.02 pous |
| Pwofondè monte | 6.5 pous |
| Dyamèt motè | 7 pous |
| Motor Depth | 2.375 pous |
| Pwa leman | 120 Oz |
| Woofer Deplasman | 0.8 CuFt |
| Ported Enclosure (Recommended) | 1.75 - 2.75 CuFt |
| Pwa atik | 42 liv |
Enfòmasyon sou Garanti
The DD Audio 512E-D4 subwoofers come with a Limited Warranty. For specific details regarding warranty coverage, duration, and claims process, please refer to the official DD Audio websit la oubyen kontakte sèvis kliyan yo dirèkteman. Kenbe prèv acha ou a pou validasyon garanti a.
Sipò pou Kliyan
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact DD Audio customer support through their official website or the contact information provided with your purchase. Always provide your product model number (512E-D4) and proof of purchase when seeking support.





