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EMINENCE BETA 12″ 250WATT PA SPEAKER . Condition is Used.A bit dusty as hasnt been used for a while.Served me very well for a long time
Superior Eminence Quality
The Eminence Beta-12A is perfectly suited as an upgrade to your existing 12″ enclosure, or to be mounted in a planned enclosure build. The Eminence Beta-12A means you can get that incredible Eminence sound and quality in any of your desired cabinets.
Specifications
Speaker Specifications
Nominal Basket Diameter: 12″/305mmNominal Impedance: 8 OhmsPower Rating:Program Power: 500WWatts: 250WResonance: 47HzUsable Frequency Range: 43Hz – 3.8kHzSensitivity: 98dBMagnet Weight: 38oz.Gap Height: 0.31″/7.9mmVoice Coil Diameter: 2″/51mmThiele & Small (T/S) Paramaters
Resonant Frequency (fs): 47HzDC Resistance (Re): 5 OhmsCoil Inductance (Le): 0.64m HMechanical Q (Qms): 6Electromagnetic Q (Qes: 0.5Total Q (Qts): 0.46Compliance Equivalent Volume (Vas): 120.1 litres/4.24 cu.ft.Peak Diaphragm Displacement Volume (Vd): 237ccMechanical Compliance of Suspension (Cms): 0.29mm/NBl Product (BL): 10.8 T-MDiaphragm Mass Inc. Airload (MMs): 40gEfficiency Bandwidth Product (EBP): 94Maximum Linear Excursion (Xmax): 4.4mmSurface Area of Cone (Sd): 538.9cm2Maximum Mechanical Limit (Xlim): 11mmMounting Information
Recommended Enclosure Volume:Sealed: 25.5-35.4 litres/0.9-1.25 cu.ft.Vented: 36.8-139 litres/1.3-4.9 cu.ft.Driver Volume Displaced: 2 litres/0.071 cu.ft.Overall Diameter: 12.03″/305.6mmBaffle Hole Diameter: 11.07″/281.2mmFront Sealing Gasket: YesRear Sealing Gasket: YesMounting Holes Diameter: 0.25″/6.4mmMounting Holes BCD: 11.59″/294.4mmDepth: 4.57″/116.1mmNet Weight: 7.5lbs/3.4kgShipping Weight: 9.7lbs/4.4kgMaterials Of Construction
Coil Construction: Copper Voice CoilCoil Former: Polyimide FormerMagnet Composition: Ferrite MagnetCore Details: Vented & Extended CoreBasket Materials: Pressed Steel basketCone Composition: Paper ConeCone Edge Composition: Cloth Cone EdgeDust Cap Composition: Solid Composition Paper Dust Cap
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Category: Musical Instruments:Pro Audio Equipment:Speakers and Monitors
Location: Liverpool