{"product_id":"eminence-speaker-18-impero-18a-aally-44281","title":"EMINENCE Speaker 18\" IMPERO-18A","description":"\u003ch1 class=\"product-single__title\"\u003eIMPERO 18A 18\" Professional Series Speaker\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eHigh power driver recommended for pro audio in vented enclosures. Suited for full-range three-way boxes, bass guitar boxes, and small subwoofers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSubwoofer | Pro Audio | Bass Guitar\u003c\/p\u003e\n\u003cp\u003eBox Type: Vented | Scoop Loading | Horn Loading\u003c\/p\u003e\n\u003ctable id=\"em-detail\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" class=\"bebas orange\"\u003eSPECIFICATION\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Basket Diameter\u003c\/td\u003e\n\u003ctd\u003e18\", 457 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Impedance*\u003c\/td\u003e\n\u003ctd\u003e8 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003ePower Rating*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"indent\"\u003eProgram Power\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2400 W\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"indent\"\u003eWatts\u003c\/td\u003e\n\u003ctd\u003e1200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonance\u003c\/td\u003e\n\u003ctd\u003e33 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable Frequency Range\u003c\/td\u003e\n\u003ctd\u003e39 Hz - 0.8 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity*\u003c\/td\u003e\n\u003ctd\u003e95.9 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet Weight\u003c\/td\u003e\n\u003ctd\u003e109 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGap Height\u003c\/td\u003e\n\u003ctd\u003e0.5\", 12.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil Diameter\u003c\/td\u003e\n\u003ctd\u003e4\", 102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" class=\"bebas orange\"\u003eTHIELE \u0026amp; SMALL PARAMETERS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant Frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e33 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e5.41 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Inductance (Le)\u003c\/td\u003e\n\u003ctd\u003e1.47m H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Q (Qms)\u003c\/td\u003e\n\u003ctd\u003e14.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectromagnetic Q (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance Equivalent Volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e317.02 liters \/ 11.2 cu.ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Diaphragm Displacement Volume (Vd)\u003c\/td\u003e\n\u003ctd\u003e927.2 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Compliance of Suspension (Cms)\u003c\/td\u003e\n\u003ctd\u003e0.17 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBL Product (BL)\u003c\/td\u003e\n\u003ctd\u003e18.9 T-M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiaphragm Mass Inc. Airload (MMs)\u003c\/td\u003e\n\u003ctd\u003e140 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency Bandwidth Product (EBP)\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Linear Excursion (Xmax)\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Area of Cone (Sd)\u003c\/td\u003e\n\u003ctd\u003e1159 cm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Mechanical Limit (Xlim)\u003c\/td\u003e\n\u003ctd\u003e20.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" class=\"bebas orange\"\u003eMOUNTING INFORMATION\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eRecommended Enclosure Volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"indent\"\u003eSealed\u003c\/td\u003e\n\u003ctd\u003eN\/a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"indent\"\u003eVented\u003c\/td\u003e\n\u003ctd\u003e113.27-277.51 liters \/ 4-9.8 cu.ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Volume Displaced\u003c\/td\u003e\n\u003ctd\u003e0.237 cu.ft. \/ 6.7 liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Diameter\u003c\/td\u003e\n\u003ctd\u003e18\", 457.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaffle Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e16.56\", 420.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Sealing Gasket\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Sealing Gasket\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Holes Diameter\u003c\/td\u003e\n\u003ctd\u003e0.28\", 7.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Holes B.C.D.\u003c\/td\u003e\n\u003ctd\u003e17.25\", 438.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e8.31\", 211.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e27.3 lbs, 12.38 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e30.8 lbs, 13.97 kgs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" class=\"bebas orange\"\u003eMATERIALS OF CONSTRUCTION\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Construction\u003c\/td\u003e\n\u003ctd\u003eCopper voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Former\u003c\/td\u003e\n\u003ctd\u003eFiberglass former\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet Composition\u003c\/td\u003e\n\u003ctd\u003eFerrite magnet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Details\u003c\/td\u003e\n\u003ctd\u003eBumped Vented Extended core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasket Materials\u003c\/td\u003e\n\u003ctd\u003eDie-cast aluminum basket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone Composition\u003c\/td\u003e\n\u003ctd\u003eWater resistant paper cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone Edge Composition\u003c\/td\u003e\n\u003ctd\u003eTreated cloth cone edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDust Cap Composition\u003c\/td\u003e\n\u003ctd\u003eWater resistant treated paper dust cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEminence Speaker Footnotes\u003c\/h3\u003e\n\u003cp\u003eFrom dialing a sound in, to rocking it out, Eminence professional audio and musical instrument loudspeakers have been the leading choice in audio applications worldwide since 1966. Eminence is dedicated to providing the best quality, value and service to meet your needs. Nowhere is that mission more evident than in their wide product selection, industry leading seven-year warranty, and unrivaled customer support. Designed and assembled by hand in the USA, Eminence is the most trusted name in the industry. Find out why the world’s premier brands and countless audio enthusiasts and musicians rely on Eminence.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eEmininece Speaker Tech Notes\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003eMultiple units exceed published ratings evaluated under EIA 426A specification while tested in a free-air, non-temperature-controlled environment. Multiple compression drivers exceeded published ratings evaluated under EIA-426A or AES specification while mounted on Eminence’s H290, H290S, or H2EA horn in a non-temperature-controlled environment.\u003c\/p\u003e\n\u003cp\u003eEminence Speaker frequency response curves are an average of multiple units measured while applying 1W\/1m into the speakers’ nominal impedance (e.g. 2.83V\/8Ω, 4V\/16Ω, etc.).  All speakers are measured in a temperature controlled environment using monthly calibrated LMS software with supplied 0.25\" microphone mounted on axis 1m distance from baffle.  2 ft. x 2 ft. baffle is flush with anechoic wall and speaker is rear mounted against a thin steel ring for minimum diffraction.  Measurements performed using monthly calibrated Yamaha P3500S amplifier and a 2700 cubic foot anechoic chamber with custom made fiberglass surface treatments.  Measurements below 200Hz are tail corrected to compensate for chamber volume.  Compression drivers measured using a 2ft x 2ft baffle flush with anechoic wall and horn front mounted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eBETA 8CX, 10CX and 12CX are coaxial speakers with tweeter sold separately. The data for these coaxial woofers was calculated with the ASD:1001 driver screwed into the woofer, but not active.\u003c\/p\u003e\n\u003cp\u003ePrices, specifications and product cosmetics are subject to change without notice.\u003c\/p\u003e","brand":"Eminence","offers":[{"title":"Default Title","offer_id":49478494191843,"sku":"65143","price":63190.0,"currency_code":"GYD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/0538\/0835\/files\/Impero_18A--1_360x__20298.1734072536.jpg?v=1785472655","url":"https:\/\/592mart.com\/products\/eminence-speaker-18-impero-18a-aally-44281","provider":"592MART","version":"1.0","type":"link"}