Manual d'instruccions del subwoofer DD Audio 812F-D2 de 12 polzades amb doble 2 ohm i 7500 W

1. Introducció

This manual provides essential information for the proper installation, operation, and maintenance of your DD Audio 812F-D2 12-inch Dual 2-Ohm 7500W Subwoofer. Please read this manual thoroughly before attempting installation or operation to ensure optimal performance and product longevity. Retain this manual for future reference.

Imatge 1.1: Frontal view of the DD Audio 812F-D2 Subwoofer. This image displays the speaker cone, surround, and the DD Audio logo.

2. Característiques clau

The DD Audio 812F-D2 subwoofer incorporates advanced design elements for enhanced performance and durability:

• Thermal Cooling Enhancements: Features a vented aluminum voice coil insert and a vented, finned aluminum heatsink designed to efficiently dissipate heat from critical components, supporting extended periods of high-output operation.
• Optimized Excursion: Equipped with a taller surround, double-stitched to a fiberglass-loaded, non-pressed cone. This, combined with a voice coil featuring increased winding length and a double-layer spider, provides increased Xmax for greater linear excursion.
• Conversió d'energia eficient: Engineered to maximize total efficiency, converting raw power into clean sound while effectively managing heat generated during operation.
• Construcció robusta: The motor assembly is encased in a rubber boot with an embossed design, contributing to both protection and aesthetic appeal.

Imatge 2.1: Anglesa view of the DD Audio 812F-D2 Subwoofer, highlighting the robust surround and cone structure.

3. Configuració i instal·lació

Proper installation is crucial for the performance and longevity of your subwoofer. If you are unsure about any step, consult a professional installer.

3.1 Precaucions de seguretat

• Desconnecteu la bateria del vehicle abans de començar qualsevol treball elèctric.
• Utilitzeu equips de seguretat adequats, inclosa la protecció ocular.
• Assegureu-vos que tot el cablejat estigui correctament aïllat i fixat per evitar curtcircuits i danys.
• Do not mount the subwoofer in a location that obstructs vehicle operation or safety features.

3.2 Requisits de la carcassa

The 812F-D2 subwoofer is designed for optimal performance in a ported enclosure. Refer to the specifications section for recommended enclosure volumes.

• Ported Enclosure Volume: 1.75 - 3.0 cubic feet.
• Ensure the enclosure is constructed from sturdy material and properly sealed to prevent air leaks.

3.3 Connexions de cablejat

The 812F-D2 features a Dual 2-Ohm voice coil configuration. Proper wiring is essential for matching the subwoofer to your amprequisits d'impedància del transformador.

• Cablejat en paral·lel (càrrega de 1 ohms): Connecteu els terminals positius de les dues bobines de veu i els terminals negatius de les dues bobines de veu. Connecteu el amplifier's positive output to the combined positive terminal and the amplifier's negative output to the combined negative terminal.
• Cablejat en sèrie (càrrega de 4 ohms): Connecteu el terminal positiu d'una bobina mòbil al terminal negatiu de l'altra bobina mòbil. Connecteu el ampla sortida positiva del lificador al terminal positiu restant i el amplifier's negative output to the remaining negative terminal.
• Always use appropriate gauge wiring for power, ground, and speaker connections to prevent power loss and overheating.

Imatge 3.1: posterior view of the DD Audio 812F-D2 Subwoofer, illustrating the voice coil wiring and terminal connections.

4. Funcionament

Once installed, follow these guidelines for optimal performance and to prevent damage.

4.1 Initial Power-Up and Break-In

• After installation, double-check all wiring connections before applying power.
• Comenceu amb el amplifier gain set to its minimum. Gradually increase the volume and adjust amplifier settings (gain, crossover, bass boost) to achieve desired sound without distortion.
• Allow a break-in period of approximately 20-30 hours of normal listening at moderate volumes. This allows the suspension components to loosen and reach their optimal compliance.

4.2 AmpCoincidència i configuració de lifier

• Assegureu-vos el vostre amplifier's RMS power output matches the subwoofer's RMS power handling (2500 Watts). Using an underpowered or overpowered ampel lifier pot provocar danys.
• Configureu el filtre de pas baix (LPF) al vostre amplifier or head unit to prevent high frequencies from reaching the subwoofer. A common range is 60-80 Hz.
• Avoid excessive bass boost, as this can cause clipping and damage the subwoofer.

5. Manteniment

The DD Audio 812F-D2 subwoofer requires minimal maintenance to ensure long-term performance.

• Neteja: Periodically wipe the subwoofer cone and surround with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or excessive moisture.
• Inspecció: Regularly inspect the speaker terminals and wiring for secure connections and signs of corrosion or damage.
• Factors ambientals: Protegiu el subwoofer de temperatures extremes, la llum solar directa i la humitat.

6. Solució De Problemes

Si teniu problemes amb el subwoofer, consulteu els problemes i solucions més comuns següents:

Imatge 6.1: Part inferior view of the DD Audio 812F-D2 Subwoofer's motor assembly, showing the heatsink and rubber boot.

7. Especificacions

Detailed technical specifications for the DD Audio 812F-D2 Subwoofer:

8. Garantia i Suport

The DD Audio 812F-D2 Subwoofer comes with a Limited Warranty. For specific terms and conditions, please refer to the warranty card included with your product or visit the official DD Audio weblloc.

For technical support, service, or warranty claims, please contact DD Audio customer service directly. Ensure you have your product model number (812F-D2) and proof of purchase available when contacting support.

Fabricant: Àudio DD

Número de model: 812F-D2

Data de primera disponibilitat: 30 de gener de 2024