Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of your DD Audio 715F-D2 15-inch Dual 2-Ohm 4500W Subwoofer. Designed for high-performance car audio systems, this subwoofer incorporates precision engineering and thermal cooling enhancements for extended periods of continuous play. Its design prioritizes efficiency, converting raw power into clean sound while effectively managing heat.
Key features include a vented aluminum voice coil insert, finned aluminum heatsink, a taller surround double-stitched to a fiberglass-loaded non-pressed cone, and a voice coil with increased winding length and DD's proven double-layer spider for enhanced excursion.
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Configuració i instal·lació
Una instal·lació correcta és crucial per a un rendiment òptim i una llarga durada del subwoofer. Es recomana que la instal·lació la realitzi un professional qualificat.
Requisits de tancament
The DD Audio 715F-D2 is designed for use in a ported enclosure. The recommended volume for a ported enclosure is 3.0 - 6.0 cubic feet.
Muntatge
- Tipus de muntatge: Muntatge d'escorredor
- Diàmetre de muntatge: 13.875 polzades
- Profunditat de muntatge: 9.375 polzades
- Ensure adequate clearance for the subwoofer's motor and cone excursion within the enclosure and vehicle.
- Use appropriate mounting hardware to secure the subwoofer firmly to prevent vibrations and damage.
Configuració del cablejat
The 715F-D2 features a Dual 2-Ohm voice coil. Correct wiring is essential to match the subwoofer's impedance with your amplifier's capabilities. Incorrect wiring can lead to damage to both the subwoofer and the ampmés viu.
For detailed visual instructions on wiring dual voice coil subwoofers, please refer to the video below. This video demonstrates common wiring configurations for DVC 2-Ohm subwoofers, which is applicable to your 715F-D2 model.
Descripció del vídeo: This video provides a comprehensive guide on wiring configurations for two Dual Voice Coil (DVC) 2-Ohm subwoofers. It covers series, parallel, and series-parallel wiring methods, demonstrating how to achieve different impedance loads (e.g., 2 Ohm, 0.5 Ohm, 4 Ohm, 8 Ohm) for optimal amplifier matching. The presenter uses a multimeter to show the resulting impedance for each configuration, emphasizing the importance of matching the amplifier's stable impedance. This is crucial for preventing damage and maximizing sound quality.
Always verify the final impedance with a multimeter before connecting to your amplifier. Consult your amplifier's manual for its stable impedance ratings.
Instruccions de funcionament
- Intrusió inicial: Allow a break-in period of approximately 20-30 hours of normal listening before operating the subwoofer at maximum power. This allows the suspension components to loosen up and perform optimally.
- Configuració de guany: Estableix el teu ampguany del lificador correctament per coincidir amb el volum de sortidatage of your head unit. Avoid setting the gain too high, as this can introduce distortion and damage the subwoofer.
- Configuració de crossover: Use a low-pass filter (LPF) to ensure the subwoofer only reproduces low frequencies. A typical LPF setting for a 15-inch subwoofer is between 60Hz and 80Hz.
- Filtre subsònic: Utilize a subsonic filter (high-pass filter for the subwoofer) to protect the subwoofer from playing frequencies below its resonant frequency (Fs), which can cause excessive excursion and damage. The Fs for this model is 30.25 Hz.
- Control de volum: Always increase volume gradually. If you hear any distortion, reduce the volume immediately.
Manteniment
- Inspecció periòdica: Periodically inspect the subwoofer cone, surround, and dust cap for any signs of damage, tears, or punctures.
- Neteja: Use a soft, dry cloth to gently clean the subwoofer. Avoid using harsh chemicals or abrasive materials that could damage the cone or surround.
- Comprovació de la connexió: Ensure all wiring connections remain secure and free from corrosion. Loose connections can lead to poor performance or damage.
- Gestió de la temperatura: While the subwoofer features thermal cooling enhancements, avoid prolonged exposure to extreme temperatures, which can affect performance and lifespan.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha so del subwoofer |
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| So distorsionat |
|
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| Sortida de greus feble |
|
|
Especificacions
| Característica | Especificació |
|---|---|
| Mida de l'altaveu | 15 polzades |
| Nom del model | 715F-D2 |
| Watts RMS | 1500 watts |
| Watts Peak | 4500 watts |
| Impedància | Dual 2-Ohm (D2) |
| Voice Coil Diameter (VCD) | 3 polzades |
| Diàmetre del pistó | 12.75 polzades |
| Resonant Frequency (Fs) | 30.25 Hz |
| Qms | 7.353 |
| Qes | 0.6854 |
| Qts | 0.6269 |
| Vas (Liters) | 62.47 litres |
| Xmech | 100 MM |
| Xmàx | 22 MM |
| Frame OD | 15.375 polzades |
| Frame OD w/Gasket | 15.563 polzades |
| Diàmetre de muntatge | 13.875 polzades |
| Profunditat de muntatge | 9.375 polzades |
| Diàmetre del motor | 7.562 polzades |
| Motor Depth | 4 polzades |
| Desplaçament del woofer | 0.22 CuFt |
| Ported Enclosure (Recommended) | 3.0 - 6.0 CuFt |
| Pes de l'article | 43 lliures |
| Tecnologia de connectivitat | Cablejat (RCA) |
| Fabricant | Àudio DD |
Garantia
DD Audio products are designed for durability and performance. For specific warranty terms and conditions, please refer to the warranty information provided with your purchase or visit the official DD Audio weblloc web. Conserveu el comprovant de compra per a qualsevol reclamació de garantia.
Suport
If you encounter any issues or have questions regarding your DD Audio 715F-D2 subwoofer that are not covered in this manual, please contact DD Audio customer support or your authorized dealer for assistance. You can typically find contact information on the product packaging or the official DD Audio weblloc.
- Recursos en línia: Check the official DD Audio website for FAQs, additional manuals, and support forums.
- Distribuïdors autoritzats: Your local authorized DD Audio dealer can provide expert advice and service.
