{"product_id":"12-in-professional-audio-woofer-midbass-vented-scoop-loading-w-3-in-diameter-voice-coil-8-ohms-80-oz-ferrite-magnet","title":"12-in Professional Audio Woofer Midbass Vented Scoop Loading w\/ 3-in Diameter Voice Coil 8 Ohms 80 oz. Ferrite magnet","description":"\u003cp\u003eThis table charts the specifications for the KAPPA PRO-12A speaker\u0026lt; p\u0026gt;\u003c\/p\u003e\u003cli\u003eNominal Basket Diameter: 12-in , 305 mm.\u003c\/li\u003e\u003cli\u003eNominal Impedance: 8 Ohms.\u003c\/li\u003e\u003cli\u003ePower Rating:\u003c\/li\u003e\u003cli\u003eWatts: 500 W.\u003c\/li\u003e\u003cli\u003eMusic Program: 1000 W.\u003c\/li\u003e\u003cli\u003eResonance: 37 Hz.\u003c\/li\u003e\u003cli\u003eUsable Frequency Range: 57 Hz - 2.8 kHz.\u003c\/li\u003e\u003cli\u003eSensitivity: 97.1 dB.\u003c\/li\u003e\u003cli\u003eMagnet Weight: 80 oz..\u003c\/li\u003e\u003cli\u003eGap Height: 0.375-in , 9.5 mm.\u003c\/li\u003e\u003cli\u003eVoice Coil Diameter: 3-in , 76 mm.\u003c\/li\u003e\u003cli\u003eThiele \u0026amp; Small Parameters.\u003c\/li\u003e\u003cli\u003eResonant Frequency (fs): 37 Hz.\u003c\/li\u003e\u003cli\u003eDC Resistance (Re): 5.46 Ohms.\u003c\/li\u003e\u003cli\u003eCoil Inductance (Le): 1.22m H.\u003c\/li\u003e\u003cli\u003eMechanical Q (Qms): 6.93.\u003c\/li\u003e\u003cli\u003eElectromagnetic Q (Qes): 0.25.\u003c\/li\u003e\u003cli\u003eTotal Q (Qts): 0.24.\u003c\/li\u003e\u003cli\u003eCompliance Equivalent Volume (Vas): 121 liters \/ 4.27 cu.ft..\u003c\/li\u003e\u003cli\u003ePeak Diaphragm Displacement Volume (Vd): 249 cc.\u003c\/li\u003e\u003cli\u003eMechanical Compliance of Suspension (Cms): 0.32 mm\/N.\u003c\/li\u003e\u003cli\u003eBL Product (BL): 17.3 T-M.\u003c\/li\u003e\u003cli\u003eDiaphragm Mass Inc. Airload (MMs): 59 grams.\u003c\/li\u003e\u003cli\u003eEfficiency Bandwidth Product (EBP): 148.\u003c\/li\u003e\u003cli\u003eMaximum Linear Excursion (Xmax): 4.8 mm.\u003c\/li\u003e\u003cli\u003eSurface Area of Cone (Sd): 519.5 cm2.\u003c\/li\u003e\u003cli\u003eMaximum Mechanical Limit (Xlim): 14.8 mm.-----------------------------------Recommended Enclosure Volume;\u003c\/li\u003e\u003cli\u003eSealed: N\/a.\u003c\/li\u003e\u003cli\u003eVented: 17-34 liters \/ 0.6-1.2 cu.ft..\u003c\/li\u003e\u003cli\u003eDriver Volume Displaced: 0.09 cu.ft. \/ 2.55 liters.\u003c\/li\u003e\u003cli\u003eOverall Diameter: 12.38-in , 314.5 mm.\u003c\/li\u003e\u003cli\u003eBaffle Hole Diameter: 11.07-in , 281.2 mm.\u003c\/li\u003e\u003cli\u003eFront Sealing Gasket: Yes.\u003c\/li\u003e\u003cli\u003eRear Sealing Gasket: Yes.\u003c\/li\u003e\u003cli\u003eMounting Holes Diameter: 0.27-in , 6.9mm.\u003c\/li\u003e\u003cli\u003eMounting Holes B.C.D.: 11.69-in , 296.9mm.\u003c\/li\u003e\u003cli\u003eDepth: 6.22-in , 158 mm.\u003c\/li\u003e\u003cli\u003eNet Weight: 16.6 lbs, 7.53 kg.\u003c\/li\u003e\u003cli\u003eShipping Weight: 18.4 lbs, 8.35 kgs.\u003c\/li\u003e\u003cli\u003eMaterials of Construction.\u003c\/li\u003e\u003cli\u003eCoil Construction: Copper voice coil.\u003c\/li\u003e\u003cli\u003eCoil Former: Polyimide former.\u003c\/li\u003e\u003cli\u003eMagnet Composition: Ferrite magnet.\u003c\/li\u003e\u003cli\u003eCore Details: Vented core.-----------------------------------.\u003c\/li\u003e\u003cli\u003eBasket Materials: Die-cast aluminum basket.\u003c\/li\u003e\u003cli\u003eCone Composition: Paper cone.\u003c\/li\u003e\u003cli\u003eCone Edge Composition: Cloth cone edge.\u003c\/li\u003e\u003cli\u003eDust Cap Composition: Solid composition paper dust cap.\u003c\/li\u003e","brand":"EMINENCE","offers":[{"title":"Default Title","offer_id":67765474689339,"sku":"THUN-KAPPAPRO12A","price":177.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/3832\/2364\/files\/717ltIIa51L.jpg?v=1792605844","url":"https:\/\/store.virventures.com\/products\/12-in-professional-audio-woofer-midbass-vented-scoop-loading-w-3-in-diameter-voice-coil-8-ohms-80-oz-ferrite-magnet","provider":"Virventures","version":"1.0","type":"link"}