JBL CLUB6520 6.5-inch 2-Way Coaxial Car Speaker Instruction Manual

1. Introduction

Thank you for choosing JBL CLUB6520 6.5-inch 2-Way Coaxial Car Speakers. This manual provides essential information for the proper installation, operation, and maintenance of your new car audio speakers. Please read this manual thoroughly before installation and retain it for future reference.

2. Product Overview

The JBL CLUB6520 speakers are designed to deliver high-quality audio performance in your vehicle. Featuring a 6.5-inch polypropylene plus one woofer cone and a PEI balanced dome tweeter, these 2-way coaxial speakers offer a balanced sound profile with clear highs and robust lows. Their high-sensitivity design ensures efficient power utilization, making them suitable for various car audio setups.

Figure 1: JBL CLUB6520 6.5-inch 2-Way Coaxial Car Speakers (Pair)

3. Specifications

Figure 2: Speaker dimensions for installation planning.

4. Setup and Installation

Proper installation is crucial for optimal sound performance and speaker longevity. If you are unsure about any steps, it is recommended to seek professional installation.

4.1 Unpacking and Inspection

• Carefully remove all components from the packaging.
• Inspect the speakers and accessories for any signs of damage. Contact your retailer immediately if any damage is found.
• Verify that all listed components are present. The package typically includes two 6.5-inch coaxial speakers and may include grilles and mounting hardware.

Figure 3: JBL CLUB6520 speaker with its protective grille.

4.2 Mounting Considerations

• Ensure the mounting location in your vehicle provides sufficient depth and clearance for the speakers. Refer to the cutout diameter and top-mount depth specifications.
• Some vehicle models may require speaker adapter kits for a secure and proper fit. These kits are typically sold separately.
• To minimize unwanted vibrations and improve bass response, ensure an airtight seal around the speaker. Foam tape or similar sealing materials can be used to fill any gaps between the speaker and the mounting surface.

4.3 Wiring

• Connect the speaker wires from your car's audio system to the terminals on the back of the speakers. Ensure correct polarity (positive to positive, negative to negative) to avoid phase issues that can degrade sound quality.
• Speaker wires are generally not included with the speakers. You will need to acquire appropriate gauge speaker wire for your installation.
• If using an aftermarket head unit or amplifier, follow their specific wiring instructions.

5. Operating Instructions

Once installed, your JBL CLUB6520 speakers are ready for use. The primary operation involves controlling them through your car's head unit or amplifier.

5.1 Initial Playback

• Start with the volume at a low level and gradually increase it to a comfortable listening level.
• Adjust the bass, treble, and balance settings on your head unit to achieve your preferred sound.

5.2 Speaker Break-in Period

Like many audio components, your new speakers will benefit from a 'break-in' period. During the first 25+ hours of use, play music at moderate volumes. This allows the speaker's components to loosen up and achieve their optimal sound performance, particularly in the bass frequencies. Expect the bass response to improve significantly after this period.

6. Maintenance

To ensure the longevity and continued performance of your JBL CLUB6520 speakers, follow these simple maintenance guidelines:

• Cleaning: Use a soft, dry cloth to gently wipe the speaker grilles and cones. Avoid using harsh chemicals or abrasive cleaners.
• Protection: Keep the speakers free from dust, dirt, and moisture. If your vehicle is exposed to the elements, ensure the speakers are adequately protected.
• Avoid Overpowering: Do not continuously play music at excessively high volumes that cause audible distortion. This can damage the speaker components.

7. Troubleshooting

If you experience issues with your speakers, refer to the following common troubleshooting steps:

• No Sound:
  • Check all wiring connections for proper seating and polarity.
  • Ensure your head unit or amplifier is powered on and functioning correctly.
  • Verify that the audio source is playing and the volume is turned up.
• Distorted Sound:
  • Reduce the volume level on your head unit.
  • Check for loose wiring connections.
  • Ensure the speaker is securely mounted and there are no air leaks around the frame.
  • Adjust bass and treble settings; excessive boost can cause distortion.
• Weak Bass:
  • Ensure proper sealing around the speaker to prevent bass cancellation.
  • Allow for the speaker break-in period to complete.
  • Check wiring polarity; incorrect polarity can lead to weak or absent bass.

If problems persist after attempting these steps, consult a professional car audio technician.

8. Warranty and Support

JBL CLUB6520 speakers come with a limited warranty. Please refer to the warranty card included with your product for specific terms and conditions. For technical support, service, or additional product information, please visit the official JBL website or contact their customer service department.

Manufacturer: JBL

Date First Available: August 23, 2016