JL Audio C3-650-XO, C3-650cw Woofer Installation, JL Audio dealer for installation assistance

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!! WARNING 

Double check the clearance for both speakers before proceeding. Many cars are different from one side to the other!

Woofer INSTALLATION

The woofers should be installed in one of the following ways depending on location:



Factory Location: If you will be using the factory speaker wires, it may be necessary to change the terminations. This may be accomplished by using an adaptor plug or simply by cutting the factory connector off and using the supplied crimp connectors to terminate the speaker wires. The large connector is for the positive (+) terminal and the small connector is for the negative (–) terminal of each woofer. Keep in mind that the woofer wires must be connected to the woofer outputs of the crossovers supplied with your system as shown in the diagram on page 5. If you prefer to run new wires, refer to the “Custom Location” installation section for details. Whichever method you choose, observe correct polarity in your connections. If you are unsure about any of these issues, contact your 

JL Audio dealer for installation assistance.

Your new speakers have been designed to install, without modifications, into most vehicles that accept

a6.5-inch (160 mm) speaker. Most factory 6.5-inch speakers use four mounting screws which will line up with the mounting holes on your woofers.

It is absolutely vital that the speaker frame fits into the mounting hole cleanly. This must be checked prior to tightening the screws. Do not force the frame into a hole that is too small. Do not tighten the speaker onto an uneven surface. This will damage your speakers. The speaker should also fit so that air does not leak around the mounting flange. Air leaks will cause a severe degradation in sound quality. Seal any air leaks with an automotive-grade sealant material.

Use the supplied mounting clips unless the factory holes already feature threaded inserts.  Hand-tighten the screws evenly (See Diagram I).

Custom Location: Run speaker wire to the desired mounting locations. If you are running wires into a door, use existing factory wiring boots whenever possible. If you are drilling new holes, file their edges and install rubber grommets into each hole. Wires should then be covered with a protective, flexible PVC sleeve and then run through the door jamb. Make sure that the wires will clear door hinges and other structures in the door. If you are unsure about any part of this process, please contact your JL Audio dealer for installation help.

Select an even surface. Tightening a speaker onto an uneven surface can damage it. Use the supplied template to mark the desired mounting location. Mark the center and the outline of the mounting hole as well as the mounting screw positions. Before drilling or cutting on your interior panels, use a utility knife to cut any fabric, vinyl or leather from hole locations. These materials can easily be snagged by a drill or a saw, causing damage to the panel and possible bodily injury. Drill a pilot hole in the center of the proposed speaker mounting hole. Then, using a saber saw with an appropriate blade, make the circular cut out for the speaker. File any rough edges.

After cutting the hole, check to see that the speaker frame fits into its mounting hole cleanly. Do not force the frame into a hole that is too small. Once the speaker is in place, use the holes on the speaker’s mounting flange to mark the panel where the four mounting screws will be positioned (See Diagram J). Remove the speaker and drill 1/8-inch (3 mm) holes at each mark. Insert the mounting clips with the flat side towards the speaker. Connect the speaker wires, observing correct polarity, and secure the speaker and grille tray to the panel by evenly tightening by hand the provided #8 x 1.25 inch (32 mm) mounting screws. Make sure the woofer is secured so that air does not leak around the mounting flange. Air leaks will cause a severe degradation in sound quality. Seal any air leaks with an automotive-grade sealant material.

10 JL Audio - C3-650 Owner’s Manual

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Contents Inch 165 mm Convertible 2-Way Component System Crossover Network Physical Dimensions C3-650 Specifications SystemsAdjustable Midrange Presence Crossover Network InstallationCrossover Network Adjustment Adjustable Tweeter LevelDiagram a Component System Wiring Wiring Your Speaker SystemDiagram B Coaxial System Wiring Component System Set-Up Convertible ComponentsCoaxial System Set-Up Diagram C Tweeter Post / Coaxial System Configuration Diagram D Phase Plug / Component System ConfigurationAvoid placing tweeters where they will be blocked See Diagram G Woofer Installation JL Audio dealer for installation assistancePage Flush-Mount Installation Tweeter InstallationSurface-Mount Installation Page Page Page JL Audio, Inc Limited Warranty Automotive Speaker Systems USAIf you need service on your JL Audio product International Warranties