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Sealed-enclosure construction recommend having your authorized is straightforward and there are 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 GTp subwoofers are available 2. You may connect the coils of a in two different configurations: dual-voice-coil woofer in series, single 4-ohm voice coil and dual but NEVER connect separate 4-ohm voice coils. Depending on woofers in series.