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  • EMINENCE ALPHA 8MRA KOMPONEN / COMPONENT SPEAKER

EMINENCE ALPHA 8MRA KOMPONEN / COMPONENT SPEAKER

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07 / 12 / 2019
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Detail EMINENCE ALPHA 8MRA KOMPONEN / COMPONENT SPEAKER

KOMPONEN / COMPONENT SPEAKER EMINENCE ALPHA 8MRA Recommended for pro audio and bass guitar applications as a midrange. Sealed basket makes this woofer independent of enclosure design. SPECIFICATION : Nominal Basket Diameter 8" , 203 mm Nominal Impedance* 8 © Power Rating* * Watts 125 W Music Program 250 W Resonance 514 Hz Usable Frequency Range 400 Hz - 4.8 kHz Sensitivity* * * 100.9 dB Magnet Weight 20 oz. Gap Height 0.25" , 6.4 mm Voice Coil Diameter 1.5" , 38 mm THIELE & SMALL PARAMETERS : Resonant Frequency ( fs) 514 Hz DC Resistance ( Re) 7.32 © Coil Inductance ( Le) 0.34m H Mechanical Q ( Qms) 4.48 Electromagnetic Q ( Qes) 2.08 Total Q ( Qts) 1.42 Compliance Equivalent Volume ( Vas) 0.8 liters / 0.03 cu.ft. Peak Diaphragm Displacement Volume ( Vd) 0 cc Mechanical Compliance of Suspension ( Cms) 0.01 mm/ N BL Product ( BL) 8.9 T-M Diaphragm Mass Inc. Airload ( MMs) 7 grams Efficiency Bandwidth Product ( EBP) 247 Maximum Linear Excursion ( Xmax) 1.6 mm Surface Area of Cone ( Sd) 205.9 cm2 Maximum Mechanical Limit ( Xlim) 3. mm MOUNTING INFORMATION : Recommended Enclosure Volume Sealed N/ a Vented - liters / - cu.ft. Driver Volume Displaced 0.02 cu.ft. / 0.58 liters Overall Diameter 8.22" , 208.8 mm Baffle Hole Diameter 7.19" , 182.6 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.22" , 5.6mm Mounting Holes B.C.D. 7.78" , 197.6mm Depth 3.25" , 82.6 mm Net Weight 4.4 lbs, 2 kg Shipping Weight 5.1 lbs, 2.31 kgs MATERIALS OF CONSTRUCTION : Coil Construction Copper voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented core Basket Materials Pressed steel basket with closed back Cone Composition Paper cone Cone Edge Composition Paper cone edge Dust Cap Composition Solid composition paper dust cap
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