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TM
PRO POWER
Automotive Subwoofer Owner’s Manual W10GTi W12GTi W15GTi
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The Official Brand of Live Music Thank you for choosing a JBL GTi Series Warning: Playing loud music in an Power-Handling Limitations Thermal power handling is determined by subwoofer. GTi Series subwoofers are automobile can hinder your ability to hear The power-handling capacity of any the amount of heat that may be dissipated designed to provide maximum sound traffic, as well as permanently damage your subwoofer is related to the excursion by the driver’s voice coil. The power- output in a
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TM PRO POWER Choosing an Enclosure Because a sealed enclosure provides the Vented enclosures provide better efficiency Bandpass enclosures can provide the GTi Series subwoofers are optimized to most control over the woofer’s movement, a in the 40Hz – 60Hz range, but this greatest output available from any amplifier perform best in small sealed, vented and woofer mounted in a sealed enclosure will efficiency comes at the expense of sound and subwoofer combination – at the bandpass enclosures. Whi
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The Official Brand of Live Music ® Enclosure Construction 5. Use PVC or ABS plastic pipe for ports. Dual Coil Versus Differential Drive Figure 2. Conventional dual-voice-coil design Please observe the following suggestions Keep in mind that the openings at either (patent pending) when building an enclosure for GTi Series end of the port must be at least one port Conventional dual-voice-coil woofers use CONE subwoofers. diameter away from any obstruction. a pair of voice coils “interwound” on th
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TM PRO POWER Figure 5. Connecting the voice coils in the other coil’s magnetic gap. This will Connecting Your Subwoofer to Note: Unlike conventional DVC parallel (3 ohms) cause magnetic braking, which will slow an Amplifier: subwoofers, the two sets of terminals the cone’s motion and prevent damage are configured so that both positive (+) Note: Connect the coils in parallel if you are due to overexcursion. For a GTi Series Configuring the voice coils: terminals are on one side of the frame c
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The Official Brand of Live Music Configuring multiple woofers for connection to a single amplifier: Figure 7. Connect two woofers in parallel Figure 8. Connect three woofers in parallel (with Figure 9. Connect four woofers in parallel (with (with coils in parallel) for a 1.5-ohm load coils in series) for a 4-ohm load coils in series) for a 3-ohm load TERMINAL TERMINAL TERMINAL TERMINAL JUMPER JUMPER JUMPER JUMPER REMOVED REMOVED REMOVED REMOVED RED BLACK RED BLACK TERMINAL TERMINAL TERMINAL TER
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TM PRO POWER Specifications W10GTi W12GTi W15GTi 10" Automotive subwoofer 12" Automotive subwoofer 15" Automotive subwoofer Power handling (peak) 3000W 4000W 5000W Power handling (avg.) 600W 700W 800W Frequency response (in-car) 20Hz – 1kHz, ±3dB 18Hz – 1kHz, ±3dB 16Hz – 1kHz, ±3dB Impedance 3 or 12 ohms 3 or 12 ohms 3 or 12 ohms Sensitivity (2.83V/1m) 90dB 91dB 92dB Overall diameter 10-1/2" (267mm) 12-1/4" (312mm) 15-1/4" (388mm) Cut-out diameter 9-3/16" (234mm) 11" (280mm) 13-7/8" (353mm) Moun
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Declaration of Conformity We, Harman Consumer International 2, route de Tours 72500 Chateau-du-Loir FRANCE JBL Consumer Products • 250 Crossways Park Drive, Woodbury, NY 11797 declare in own responsibility, that the products described in this owner’s manual are in 1-800-336-4JBL (4525) www.jbl.com compliance with technical standards: ©2000 JBL, Incorporated • JBL is a registered trademark of JBL, Incorporated EN 50081-1:1992 EN 50082-1:1992 Made in USA Printed in USA 9/00 Part No. W10,12,
