{"product_id":"jl-audio-jlm7-12ib-s-gmti-4-12-m7-series-gun-metal-titanium-infinite-baffle-sport-marine-subwoofer","title":"JL Audio JLM7-12IB-S-GMTI-4: 12\" M7-Series Gun Metal \/ Titanium Infinite-Baffle Sport Marine Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered as the reference standard for Marine Subwoofer performance, the JLM7-12IB-S-GMTI-4 is capable of producing staggering amounts of jaw dropping bass in Infinite-Baffle applications.\u003c\/li\u003e\n\u003cli\u003eBuilt to withstand real world Marine duty, this JLM7-12IB-S-GMTI-4 is designed to operate without a dedicated enclosure.\u003c\/li\u003e\n\u003cli\u003eIt boasts a monstrous 4\" voice coil and rugged suspension system to deliver outstanding linear excursion for high output and power handling.\u003c\/li\u003e\n\u003cli\u003eJLM7-12IB-S-GMTI-4 is best used through amplifier power in the 200 – 600 W range and is optimized to operate through a large volume of air behind it (at least 3 cubic FT \/ 85 L).\u003c\/li\u003e\n\u003cli\u003eLike all JL Audio Marine speakers, this driver is built to withstand a real saltwater Marine environment and deliver years of listening enjoyment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous power handling (RMS):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal impedance (ZNOM):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" \/ 300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall diameter (A):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14\" \/ 356 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolt hole circle diameter (B):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.8\" \/ 325 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrontal grilles protrusion (C):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5\" \/ 37 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting hole diameter (D):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.1\" \/ 306 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting depth (E):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.9\" \/ 202 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDriver displacement:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 cubic FT \/ 4.2 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet weight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25.4 lbs \/ 11.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParameters:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" style=\"width: 100%; height: 181px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eFree air resonance (FS):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e35.3 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eElectrical \"Q\" (QES):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eMechanical \"Q\" (QMS):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e10.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eTotal speaker \"Q\" (QTS):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eEquivalent compliance (VAS):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e2 cubic FT \/ 56.4 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003e1 way linear excursion (XMAX):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e0.7\" \/ 18.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eReference efficiency (NO):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e0.3 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 10px;\"\u003e\u003cstrong\u003eEfficiency (1 W \/ 1 m):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 10px;\"\u003e86.7 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eEffective piston area (SD):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e80.5\" \u003cspan\u003e² \u003c\/span\u003e\/ 0.1 m \u003cspan\u003e²\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 62.060547%; height: 19px;\"\u003e\u003cstrong\u003eDC resistance (RE):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.164388%; height: 19px;\"\u003e3.5 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInfinite-Baffle use:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eyes (preferred):\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum sealed enclosure volume:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 cubic FT \/ 56.6 L (or larger)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptimum sealed enclosure volume:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 cubic FT \/ 70.8 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":43540915716163,"sku":"JLM7-12IB-S-GMTI-4","price":1739.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2521\/5218\/files\/4_1_9.jpg?v=1784261829","url":"https:\/\/azelectronics.ca\/products\/jl-audio-jlm7-12ib-s-gmti-4-12-m7-series-gun-metal-titanium-infinite-baffle-sport-marine-subwoofer","provider":"AZ Electronics","version":"1.0","type":"link"}