{"product_id":"8-in-pro-loudspeaker-250w-max-8-ohms-w-copper-voice-coil","title":"8-in Pro Loudspeaker, 250W Max, 8 ohms w\/Copper voice coil","description":"\u003cp\u003eThis table charts the specifications for the ALPHA-8A speaker\u0026lt; p\u0026gt;\u003c\/p\u003e\u003cli\u003eNominal Basket Diameter: 8-in , 203 mm.\u003c\/li\u003e\u003cli\u003eNominal Impedance: 8 Ohms.\u003c\/li\u003e\u003cli\u003ePower Rating:\u003c\/li\u003e\u003cli\u003eWatts: 125 W.\u003c\/li\u003e\u003cli\u003eMusic Program: 250 W.\u003c\/li\u003e\u003cli\u003eResonance: 73 Hz.\u003c\/li\u003e\u003cli\u003eUsable Frequency Range: 58 Hz - 5 kHz.\u003c\/li\u003e\u003cli\u003eSensitivity: 94 dB.\u003c\/li\u003e\u003cli\u003eMagnet Weight: 20 oz..\u003c\/li\u003e\u003cli\u003eGap Height: 0.25-in , 6.4 mm.\u003c\/li\u003e\u003cli\u003eVoice Coil Diameter: 1.5-in , 38 mm.\u003c\/li\u003e\u003cli\u003eThiele \u0026amp; Small Parameters.\u003c\/li\u003e\u003cli\u003eResonant Frequency (fs): 73 Hz.\u003c\/li\u003e\u003cli\u003eDC Resistance (Re): 5.3 Ohms.\u003c\/li\u003e\u003cli\u003eCoil Inductance (Le): 0.44m H.\u003c\/li\u003e\u003cli\u003eMechanical Q (Qms): 4.6.\u003c\/li\u003e\u003cli\u003eElectromagnetic Q (Qes): 0.68.\u003c\/li\u003e\u003cli\u003eTotal Q (Qts): 0.59.\u003c\/li\u003e\u003cli\u003eCompliance Equivalent Volume (Vas): 17.7 liters \/ 0.63 cu.ft..\u003c\/li\u003e\u003cli\u003ePeak Diaphragm Displacement Volume (Vd): 67 cc.\u003c\/li\u003e\u003cli\u003eMechanical Compliance of Suspension (Cms): 0.28 mm\/N.\u003c\/li\u003e\u003cli\u003eBL Product (BL): 7.8 T-M.\u003c\/li\u003e\u003cli\u003eDiaphragm Mass Inc. Airload (MMs): 17 grams.\u003c\/li\u003e\u003cli\u003eEfficiency Bandwidth Product (EBP): 107.\u003c\/li\u003e\u003cli\u003eMaximum Linear Excursion (Xmax): 3.2 mm.\u003c\/li\u003e\u003cli\u003eSurface Area of Cone (Sd): 210 cm2.\u003c\/li\u003e\u003cli\u003eMaximum Mechanical Limit (Xlim): 7.1 mm.-----------------------------------Recommended Enclosure Volume;\u003c\/li\u003e\u003cli\u003eSealed: 5-7 liters \/ 0.18-0.25 cu.ft..\u003c\/li\u003e\u003cli\u003eVented: 16.7-25.5 liters \/ 0.59-0.9 cu.ft..\u003c\/li\u003e\u003cli\u003eDriver Volume Displaced: 0.02 cu.ft. \/ 0.58 liters.\u003c\/li\u003e\u003cli\u003eOverall Diameter: 8.24-in , 209.3 mm.\u003c\/li\u003e\u003cli\u003eBaffle Hole Diameter: 7.13-in , 181.1 mm.\u003c\/li\u003e\u003cli\u003eFront Sealing Gasket: Yes.\u003c\/li\u003e\u003cli\u003eRear Sealing Gasket: Yes.\u003c\/li\u003e\u003cli\u003eMounting Holes Diameter: 0.22-in , 5.6mm.\u003c\/li\u003e\u003cli\u003eMounting Holes B.C.D.: 7.75-in , 196.9mm.\u003c\/li\u003e\u003cli\u003eDepth: 3.25-in , 82.6 mm.\u003c\/li\u003e\u003cli\u003eNet Weight: 4.3 lbs, 1.95 kg.\u003c\/li\u003e\u003cli\u003eShipping Weight: 5.1 lbs, 2.31 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: Pressed steel 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":67765479342395,"sku":"THUN-ALPHA8A","price":101.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/3832\/2364\/files\/ALPHA8A.jpg?v=1792605889","url":"https:\/\/store.virventures.com\/products\/8-in-pro-loudspeaker-250w-max-8-ohms-w-copper-voice-coil","provider":"Virventures","version":"1.0","type":"link"}