{"product_id":"sigma_pro_18a","title":"SIGMA PRO-18A 18\" Professional Series Speaker- v.2","description":"\u003cdiv id=\"i4c-draggable-container\" style=\"position: fixed; z-index: 1499; width: 0px; height: 0px;\"\u003e\n\u003cdiv data-reactroot=\"\" class=\"resolved\" style=\"all: initial;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"i4c-dialogs-container\"\u003e\u003c\/div\u003e\n\u003cp\u003eRecommended for professional audio as a woofer in vented enclosures.\u003c\/p\u003e\n\u003ch4\u003eApplications \u003cbr\u003e\n\u003c\/h4\u003e \u003cp\u003eSubwoofer | Woofer | Pro Audio \u003c\/p\u003e \u003cp\u003e Box Type:   Vented\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0270\/8665\/1462\/files\/Sigma_Pro_18A_2.pdf\" img=\"\" product=\"\" description=\"\" sigma_pro_18a_2.pdf _blank target=\"_blank\"\u003eDownload Spec Sheet\u003c\/a\u003e \u003cspan style=\"white-space:pre\"\u003e\t\u003c\/span\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0270\/8665\/1462\/files\/Sigma_Pro_18A_2_cab.pdf\" img=\"\" product=\"\" description=\"\" cab-sigma_pro_18a_2.pdf=\"\" _blank target=\"_blank\"\u003eDownload Cab Design\u003c\/a\u003e\u003cbr\u003e\n\u003ctable id=\"em-detail\" style=\"padding: 0px; margin: 20px 0px; border-collapse: collapse; border-spacing: 0px; width: 390px; font-family: Georgia, serif; font-size: 13px;\"\u003e\n    \u003ctbody style=\"padding: 0px; margin: 0px;\"\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd colspan=\"2\" class=\"bebas orange\" style=\"padding: 10px 0px 0px; margin: 0px; font-weight: bold; line-height: normal; font-family: Arial; letter-spacing: 1px; text-transform: uppercase; font-size: 11px; color: rgb(239, 59, 36);\"\u003eSPECIFICATION\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial; width: 240px;\"\u003eNominal Basket Diameter\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e18\", 457 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eNominal Impedance*\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e8 Ω\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd colspan=\"2\" style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003ePower Rating*\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd class=\"indent\" style=\"padding: 0px 0px 0px 20px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eProgram Power\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e\u003cstrong style=\"padding: 0px; margin: 0px;\"\u003e1300 W\u003c\/strong\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd class=\"indent\" style=\"padding: 0px 0px 0px 20px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eWatts\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e650 W\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eResonance\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e28 Hz\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eUsable Frequency Range\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e41 Hz - 2.4 kHz\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eSensitivity*\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e99 dB\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMagnet Weight\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e120 oz.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eGap Height\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e0.375\", 9.5 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eVoice Coil Diameter\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e3\", 76 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd colspan=\"2\" class=\"bebas orange\" style=\"padding: 10px 0px 0px; margin: 0px; font-weight: bold; line-height: normal; font-family: Arial; letter-spacing: 1px; text-transform: uppercase; font-size: 11px; color: rgb(239, 59, 36);\"\u003eTHIELE \u0026amp; SMALL PARAMETERS\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eResonant Frequency (fs)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e28 Hz\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eDC Resistance (Re)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e6.29 Ω\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCoil Inductance (Le)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e1.9m H\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMechanical Q (Qms)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e8.28\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eElectromagnetic Q (Qes)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e0.3\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eTotal Q (Qts)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e0.29\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCompliance Equivalent Volume (Vas)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e441.2 liters \/ 15.58 cu.ft.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003ePeak Diaphragm Displacement Volume (Vd)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e695 cc\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMechanical Compliance of Suspension (Cms)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e0.24 mm\/N\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eBL Product (BL)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e22.1 T-M\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eDiaphragm Mass Inc. Airload (MMs)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e130 grams\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eEfficiency Bandwidth Product (EBP)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e93\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMaximum Linear Excursion (Xmax)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e6.1 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eSurface Area of Cone (Sd)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e1140 cm2\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMaximum Mechanical Limit (Xlim)\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e18 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd colspan=\"2\" class=\"bebas orange\" style=\"padding: 10px 0px 0px; margin: 0px; font-weight: bold; line-height: normal; font-family: Arial; letter-spacing: 1px; text-transform: uppercase; font-size: 11px; color: rgb(239, 59, 36);\"\u003eMOUNTING INFORMATION\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd colspan=\"2\" style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eRecommended Enclosure Volume\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd class=\"indent\" style=\"padding: 0px 0px 0px 20px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eSealed\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eN\/a\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd class=\"indent\" style=\"padding: 0px 0px 0px 20px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eVented\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e93-212 liters \/ 3.3-7.5 cu.ft.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eDriver Volume Displaced\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e0.234 cu.ft. \/ 6.62 liters\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eOverall Diameter\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e18\", 457.2 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eBaffle Hole Diameter\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e16.56\", 420.6 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eFront Sealing Gasket\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eRear Sealing Gasket\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMounting Holes Diameter\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e0.28\", 7.1mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMounting Holes B.C.D.\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e17.25\", 438.2mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eDepth\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e8.15\", 207 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eNet Weight\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e24.5 lbs, 11.11 kg\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eShipping Weight\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e28.1 lbs, 12.75 kgs\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd colspan=\"2\" class=\"bebas orange\" style=\"padding: 10px 0px 0px; margin: 0px; font-weight: bold; line-height: normal; font-family: Arial; letter-spacing: 1px; text-transform: uppercase; font-size: 11px; color: rgb(239, 59, 36);\"\u003eMATERIALS OF CONSTRUCTION\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCoil Construction\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCopper voice coil\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCoil Former\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003ePolyimide former\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eMagnet Composition\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eFerrite magnet\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCore Details\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eVented and extended core\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e \u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003e \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eBasket Materials\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eDie-cast aluminum basket\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCone Composition\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003ePaper cone\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px;\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCone Edge Composition\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eCloth cone edge\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"padding: 0px; margin: 0px; background-color: rgb(249, 249, 249);\"\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eDust Cap Composition\u003c\/td\u003e\n            \u003ctd style=\"padding: 0px; margin: 0px; font-size: 11px; color: rgb(128, 128, 128); font-family: Arial;\"\u003eSolid composition paper dust cap\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\n\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eFrequency Response\u003c\/span\u003e\n\u003c\/h4\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0270\/8665\/1462\/files\/Sigma_Pro_18A_2.png\" target=\"_blank\" title=\"Frequency Response for Eminence Speaker\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0270\/8665\/1462\/files\/Sigma_Pro_18A_2.png\" height=\"191\" width=\"315\" alt=\"response graph\"\u003e\u003c\/a\u003e","brand":"Eminence Speakers, LLC","offers":[{"title":"Default Title","offer_id":48306385649803,"sku":"18384B-U","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1237\/0574\/files\/Sigma_PRO_18A_2--1.jpg?v=1784219409","url":"https:\/\/speakeraddict.com\/products\/sigma_pro_18a","provider":"SpeakerAddict","version":"1.0","type":"link"}