Table of Contents
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Table of Contents
Related Manuals for JBL GTX500
Summary of Contents for JBL GTX500
- Page 1 GTX500 subwoofer power amplifi er OWNER'S MANUAL...
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Page 2: Location And Mounting
LOCATION AND MOUNTING Although these instructions explain how to install the GTX500 in a general sense, they do not show specific installation methods that may be required for your particular vehicle. If you do not have the necessary tools or experience, do not attempt the installation yourself. Instead, please ask your authorized JBL car audio dealer about professional installation. -
Page 3: Installation Location
3. Drill pilot holes in the mounting surface. 4. Attach the amplifier to the mounting surface with four appropriate mounting screws of your own choice. We suggest using #8 Phillips-head sheet metal screws. Make sure the amplifier is mounted securely. www.jbl.com... -
Page 4: Using The Connectors
IMPORTANT: Disconnect the vehicle's negative (–) battery terminal before beginning the installation. The GTX500 amplifier is capable of delivering high power levels, and requires a heavy-duty and reliable connection to the vehicle’s electrical system to achieve optimal performance. Please adhere to the following instructions carefully. - Page 5 IMPORTANT: Failure to adequately protect the positive wire from potential damage may result in a vehicle fire. 4. When you are finished routing and connecting this wire, install the 50A fuse in the holder you installed near the battery. www.jbl.com...
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Page 6: Speaker Connections
SPEAKER AND INPUT CONNECTIONS Always connect the (+) speaker terminal on the amplifi er to the (+) terminal on the speaker and the (–) speaker terminal on the amplifi er to the (–) terminal on the speaker. IMPORTANT: Make sure the (+) and (–) bare wires do not touch each other or the other terminal at both the amplifier terminals and speaker terminals. -
Page 7: Input Connections
IMPORTANT: Make sure the (+) and (–) bare wires do not touch each other. Touching wires can cause a short circuit that can damage the source unit or the amplifier. When you’re finished, plug the adapters into the input connectors on the amplifier. • You can use either input connector to connect a source component with a single mono subwoofer output. www.jbl.com... -
Page 8: Controls And Indicators
If you used a high-pass crossover on your system's other speakers, start by setting the GTX500's Crossover Frequency control to a frequency somewhat lower than the high-pass crossover setting you used for the system's other speakers. - Page 9 4. Slowly turn the Volume control on the GTX500 clockwise until the subwoofer sounds balanced with the rest of the music. NOTE: If you turn the GTX500's volume control all the way up and the subwoofer still is not loud enough, turn the volume control down all the way, switch the GTX500's Input Level switch to the "Low"...
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Page 10: Troubleshooting
Correct all short circuits before reconnecting the speakers to the amplifier. – If the amplifier does not turn on (the Protection LED is still red and the Power LED is off), contact your authorized JBL dealer for assistance. -
Page 11: Specifications
CAUSES AND SOLUTIONS Subwoofer is too quiet, even with the vehicle • Check that the GTX500's Volume control is not turned too low. See Set The GTX500's Volume, audio system's source unit volume all the way on page 9, for more information. - Page 12 8500 Balboa Boulevard, Northridge, CA 91329 USA © 2014 HARMAN International Industries, Incorporated. All rights reserved. JBL is a trademark of HARMAN International Industries, Incorporated, registered in the United States and/or other countries. All Rights Reserved. Features, specifications and appearance are subject to change without notice.