Memphis Audio MOJO Pro MJP822 Subwoofer Instruction Manual

1. அறிமுகம்

Thank you for choosing the Memphis Audio MOJO Pro MJP822 8-inch Competition Car Subwoofers. This manual provides essential information for the proper installation, operation, and maintenance of your new subwoofers. Designed for high-performance car audio systems, these subwoofers deliver powerful bass and are built for durability and serious sound pressure level (SPL) capability. Each subwoofer handles 750 watts RMS and 1500 watts peak power, featuring dual 2-ohm voice coils for flexible wiring configurations.

Please read this manual thoroughly before attempting installation or operation to ensure optimal performance and longevity of your product.

2. பாதுகாப்பு தகவல்

உங்கள் உபகரணங்களுக்கு காயம் அல்லது சேதம் ஏற்படாமல் தடுக்க பின்வரும் பாதுகாப்பு முன்னெச்சரிக்கை நடவடிக்கைகளை எப்போதும் கவனிக்கவும்:

• தொழில்முறை நிறுவல் பரிந்துரைக்கப்படுகிறது: Due to the complexity of car audio systems and high power requirements, professional installation is highly recommended. Improper installation can lead to serious damage to your vehicle's electrical system, the subwoofers, or other audio components.
• மின் பாதுகாப்பு: Disconnect the vehicle's battery before performing any electrical work. Ensure all wiring is properly insulated and secured to prevent short circuits. Use appropriate gauge wiring for power and speaker connections.
• செவிப்புலன் பாதுகாப்பு: High sound pressure levels can cause permanent hearing damage. Exercise caution when operating the system at high volumes.
• பாதுகாப்பான மவுண்டிங்: Ensure the subwoofers are securely mounted within their enclosure and the enclosure is firmly secured within the vehicle to prevent movement during driving or in the event of an accident.
• காற்றோட்டம்: ஒலிபெருக்கியைச் சுற்றி போதுமான காற்றோட்டத்தை உறுதி செய்யவும் மற்றும் ampஅதிக வெப்பமடைவதைத் தடுக்கும் லிஃபையர்.
• ஈரப்பதத்தைத் தவிர்க்கவும்: Do not expose the subwoofers to moisture or extreme temperatures. The product is not waterproof.

3. தயாரிப்பு முடிந்துவிட்டதுview

The Memphis Audio MOJO Pro MJP822 subwoofers are engineered for extreme bass output and reliability. Key features include:

• உயர் சக்தி கையாளுதல்: Each subwoofer handles 750W RMS / 1500W peak power.
• Dual Voice Coils: Dual 2-ohm voice coils provide versatile wiring options to match various ampலைஃபையர் கட்டமைப்புகள்.
• மேம்பட்ட குளிர்ச்சி: Features DVVC (Direct Vent Voice Coil Cooling) for efficient thermal management during extended high-power use.
• நீடித்த கட்டுமானம்: Equipped with a 2.5-inch voice coil, aluminum shorting ring, progressive spider, rigid paper cone, and a double-stitched foam surround for enhanced durability and performance.
• வலுவான சட்டகம்: A diecast aluminum basket ensures structural integrity and longevity.
• Optimized Magnet Structure: A 105 oz magnet provides strong motor force for precise and powerful bass reproduction.

4. அமைவு மற்றும் நிறுவல்

Proper installation is crucial for the performance and longevity of your MOJO Pro subwoofers. It is highly recommended to have these subwoofers installed by a certified car audio professional.

4.1 அடைப்பு தேவைகள்

The MJP822 subwoofers are designed to perform optimally in specific enclosure volumes:

• சீல் செய்யப்பட்ட உறை: Recommended volume of 0.6 cubic feet per subwoofer. Sealed enclosures provide tight, accurate bass response.
• Vented (Ported) Enclosure: Recommended volume of 1.0 cubic feet per subwoofer. Vented enclosures typically offer higher SPL and deeper bass extension.

Consult with your installer or an audio specialist to determine the best enclosure type and design for your specific vehicle and listening preferences.

4.2 Wiring Dual Voice Coils (DVC 2 Ohm)

The MJP822 features dual 2-ohm voice coils, offering flexibility in wiring configurations to achieve different final impedances. Common wiring options include:

• Parallel Wiring (Single Subwoofer): Connect both 2-ohm voice coils in parallel to achieve a 1-ohm load. This configuration draws more current from the amplifier and is suitable for amplifiers stable at 1 ohm.
• Series Wiring (Single Subwoofer): Connect both 2-ohm voice coils in series to achieve a 4-ohm load. This configuration is easier on the amplifier and provides a cleaner signal for some setups.
• Multiple Subwoofer Configurations: When using two MJP822 subwoofers, various series and parallel combinations can achieve final impedances of 0.5 ohm, 2 ohm, or 8 ohm, depending on your amplifier's capabilities. Refer to your ampஇணக்கமான மின்மறுப்பு சுமைகளுக்கான லிஃபையரின் கையேடு.

எப்போதும் உங்கள் உறுதி amplifier is stable at the final impedance load you choose. Incorrect impedance matching can lead to amplifier damage or poor performance.

4.3 மவுண்டிங்

Mount the subwoofer securely within the designed enclosure. Ensure all mounting screws are tightened evenly to prevent air leaks and vibrations. The enclosure itself must be securely fastened within the vehicle to prevent movement during driving.

5. இயக்க வழிமுறைகள்

5.1 பிரேக்-இன் காலம்

Allow a break-in period of approximately 20-30 hours of normal listening before operating the subwoofers at their maximum potential. This allows the suspension components (surround and spider) to loosen up and reach their optimal compliance, improving overall performance and longevity.

5.2 Ampலிஃபையர் ஆதாய அமைப்பு

Properly setting your amplifier's gain is critical. Do not use the gain control as a volume knob. It should be set to match the output voltage of your head unit. Setting the gain too high can lead to clipping, which sends a distorted signal to the subwoofer, causing damage.

• உடன் தொடங்குங்கள் amplifier gain at its minimum.
• Play a test tone or music with a wide dynamic range at a moderate volume.
• மெதுவாக அதிகரிக்கவும் amplifier gain until you hear any distortion, then back off slightly.
• Consider using an oscilloscope or a digital multimeter for precise gain setting.

5.3 Crossover and Bass Boost Settings

Properly configure your amplifier's low-pass filter (LPF) to ensure the subwoofer only reproduces bass frequencies. Avoid excessive bass boost, as this can lead to over-excursion and damage, especially at high volumes.

6. பராமரிப்பு

The Memphis Audio MOJO Pro MJP822 subwoofers require minimal maintenance to ensure long-term performance:

• சுத்தம்: Periodically wipe down the subwoofer cone and surround with a soft, dry cloth to remove dust and debris. Do not use harsh chemicals or solvents.
• ஆய்வு: Regularly inspect the subwoofer's surround for any signs of cracking or tearing. Check all wiring connections to ensure they are secure and free from corrosion.
• சுற்றுச்சூழல் நிலைமைகள்: Avoid exposing the subwoofers to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.

7. சரிசெய்தல்

If you experience issues with your MOJO Pro subwoofers, refer to the following common troubleshooting steps:

If these steps do not resolve the issue, please contact Memphis Audio customer support or a qualified car audio technician.

8. விவரக்குறிப்புகள்

9. உத்தரவாதத் தகவல்

The Memphis Audio MOJO Pro MJP822 subwoofers come with a வரையறுக்கப்பட்ட உத்தரவாதம் from the manufacturer, MEMPHIS AUDIO. The specific terms and duration of the warranty may vary. Please retain your proof of purchase for warranty claims.

For detailed warranty terms and conditions, please refer to the documentation included with your product or visit the official Memphis Audio website. Any additional protection plans, such as 2-Year or 3-Year plans, are typically offered by retailers or third-party providers and are separate from the manufacturer's warranty.

10. ஆதரவு மற்றும் தொடர்பு

For technical assistance, warranty inquiries, or further information regarding your Memphis Audio MOJO Pro MJP822 subwoofers, please contact:

Memphis Audio Customer Support:

• Visit the official Memphis Audio website for contact details, FAQs, and support resources.
• If purchased from a retailer, you may also contact their customer service for initial support.

When contacting support, please have your product model number (MJP822) and proof of purchase readily available.