{"product_id":"eminence-beta-15a-15-guitar-pa-speaker-8-ohm","title":"Eminence Beta-15A 15\" Guitar\/PA Speaker, 8 Ohm","description":"\u003cp\u003e15\" Woofer Driver, 8 Ohm, 350 Watt\u003c\/p\u003e \u003cp\u003eEminence's Beta-15A 15\" speaker is recommended for professional audio as a woofer in sealed and vented enclosures. The Beta-15A is also useful for bass guitar speaker systems and combo amps. Made in the USA. 7-year manufacturer's warranty!\u003c\/p\u003e\u003ch2\u003eFeatures:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eKapton coil former\u003c\/li\u003e\n\u003cli\u003ePolyamide-imide coated copper voice coil\u003c\/li\u003e\n\u003cli\u003eFerrite magnet\u003c\/li\u003e\n\u003cli\u003eVented and pole piece\u003c\/li\u003e\n\u003cli\u003ePressed steel basket\u003c\/li\u003e\n\u003cli\u003ePaper cone\u003c\/li\u003e\n\u003cli\u003eCloth accordian surround\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSPECIFICATION\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eNominal Basket Diameter: 15\", 381mm\u003c\/li\u003e\n\u003cli\u003eNominal Impedance*: 8 ohms\u003c\/li\u003e\n\u003cli\u003ePower Rating**\u003c\/li\u003e\n\u003cli\u003eWatts: 300W\u003c\/li\u003e\n\u003cli\u003eMusic Program: 600W\u003c\/li\u003e\n\u003cli\u003eResonance: 35Hz\u003c\/li\u003e\n\u003cli\u003eUsable Frequency Range: 45Hz - 3.7kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity***: 98.2dB\u003c\/li\u003e\n\u003cli\u003eMagnet Weight: 34 oz.\u003c\/li\u003e\n\u003cli\u003eGap Height: 0.31\", 7.92mm\u003c\/li\u003e\n\u003cli\u003eVoice Coil Diameter: 2\", 50.8mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTHIELE \u0026amp; SMALL PARAMETERS\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eResonant Frequency (fs): 35Hz\u003c\/li\u003e\n\u003cli\u003eDC Resistance (Re): 6.32\u003c\/li\u003e\n\u003cli\u003eCoil Inductance (Le): 1.1mH\u003c\/li\u003e\n\u003cli\u003eMechanical Q (Qms): 8.1\u003c\/li\u003e\n\u003cli\u003eElectromagnetic Q (Qes): 0.63\u003c\/li\u003e\n\u003cli\u003eTotal Q (Qts): 0.58\u003c\/li\u003e\n\u003cli\u003eCompliance Equivalent Volume (Vas): 334.6 liters \/ 11.8 cu.ft.\u003c\/li\u003e\n\u003cli\u003ePeak Diaphragm Displacement Volume (Vd): 330cc\u003c\/li\u003e\n\u003cli\u003eMechanical Compliance of Suspension (Cms): 0.35mm\/N\u003c\/li\u003e\n\u003cli\u003eBL Product (BL): 11.5 T-M\u003c\/li\u003e\n\u003cli\u003eDiaphragm Mass Inc. Airload (MMs): 60 grams\u003c\/li\u003e\n\u003cli\u003eEfficiency Bandwidth Product (EBP): 56\u003c\/li\u003e\n\u003cli\u003eMaximum Linear Excursion (Xmax): 4mm\u003c\/li\u003e\n\u003cli\u003eSurface Area of Cone (Sd): 823.7 cm2\u003c\/li\u003e\n\u003cli\u003eMaximum Mechanical Limit (Xlim): 11.6mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOUNTING INFORMATION\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eRecommended Enclosure Volume\u003c\/li\u003e\n\u003cli\u003eSealed: 45-62 liters \/ 1.6-2.2 cu.ft.\u003c\/li\u003e\n\u003cli\u003eVented: 99-175.6 liters \/ 3.5-6.2 cu.ft.\u003c\/li\u003e\n\u003cli\u003eDriver Volume Displaced: 203.3 cu.in. \/ 3.33 liters\u003c\/li\u003e\n\u003cli\u003eOverall Diameter: 15.15\", 384.8mm\u003c\/li\u003e\n\u003cli\u003eBaffle Hole Diameter: 13.87\", 352.3mm\u003c\/li\u003e\n\u003cli\u003eFront Sealing Gasket: Fitted as standard\u003c\/li\u003e\n\u003cli\u003eRear Sealing Gasket: Fitted as standard\u003c\/li\u003e\n\u003cli\u003eMounting Holes Diameter: 0.25\", 6.4mm\u003c\/li\u003e\n\u003cli\u003eMounting Holes B.C.D.: 14.56\", 369.9mm\u003c\/li\u003e\n\u003cli\u003eDepth: 6.05\", 154mm\u003c\/li\u003e\n\u003cli\u003eNet Weight: 8.8 lbs, 4 kg\u003c\/li\u003e\n\u003cli\u003eShipping Weight: 10.8 lbs, 4.9 kgs\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMATERIALS OF CONSTRUCTION\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCoil Construction: Copper voice coil\u003c\/li\u003e\n\u003cli\u003eCoil Former: Polyimide former\u003c\/li\u003e\n\u003cli\u003eMagnet Composition: Ferrite magnet\u003c\/li\u003e\n\u003cli\u003eCore Details: Vented and extended core\u003c\/li\u003e\n\u003cli\u003eBasket Materials: Pressed steel basket\u003c\/li\u003e\n\u003cli\u003eCone Composition: Paper cone\u003c\/li\u003e\n\u003cli\u003eCone Edge Composition: Cloth cone edge\u003c\/li\u003e\n\u003cli\u003eDust Cap Composition: Solid composition paper dust cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eminence","offers":[{"title":"Default Title","offer_id":42491005370546,"sku":"EMN BETA15A","price":208.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/8122\/2322\/products\/beta-15a-1.jpg?v=1665643660","url":"https:\/\/www.performanceaudio.com\/en-ca\/products\/eminence-beta-15a-15-guitar-pa-speaker-8-ohm","provider":"Performance Audio","version":"1.0","type":"link"}