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JBL dealer build it or verify that your design is correct if you wish to build it yourself. An optimum vented enclosure is always larger...
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Connecting Your Subwoofer to Your Amplifier JBL GTO Series subwoofers 2. You may connect the coils of a are available in two different dual-voice coil woofer in series, configurations: as a single 2-ohm but we recommend that you voice coil or as dual 2-ohm voice avoid connecting separate coils.