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[Eminence Beta 12 CX]
Eminence Beta 12 CX
BETA-12CX American Standard Series Recommended for professional audio as a mid-bass in either vented, or sealed satellite or floor monitor enclosures. Also works nicely in vented two-way enclosures used for small coverage areas. SPECIFICATION * Nominal Basket Diameter 12", 304.8 mm * Nominal Impedance 8 ohms * Power Rating Watts 250 W / Music Program 500 W * Resonance 43 Hz * Usable Frequency Range 66 Hz - 20 kHz * Sensitivity 96.7 * Magnet Weight 38 oz. * Gap Height 0.312", 7.92 mm * Voice Coil Diameter 2", 50.8 mm THIELE & Small Parameters * Resonant Frequency (fs) 43 Hz * DC Resistance (Re) 5.57 * Coil Inductance (Le) 1.01 mH * Mechanical Q (Qms) 6.69 * Electromagnetic Q (Qes) 0.51 * Total Q (Qts) 0.48 * Compliance Equivalent Volume (Vas) 161 liters / 5.7 cu. ft. * Peak Diaphragm Displacement Volume (Vd) 186 cc * Mechanical Compliance of Suspension (Cms) 0.40 mm/N * BL Product (BL) 10.0 T-M * Diaphragm Mass inc. Airload (Mms) 34 grams * Efficiency Bandwidth Product (EBP) 84 * Maximum Linear Excursion (Xmax) 3.5 mm * Surface Area of Cone (Sd) 532.4 cm² * Maximum Mechanical Limit (Xlim) 10.4 mm MOUNTING Information * Recommended Enclosure Volume Sealed 42.5-28 liters/1-1.5 cu.ft. Vented 37-71 liters/1.3-2.5 cu.ft. * Overall Diameter 12.03", 305.5 mm * Baffle Hole Diameter 10.95", 278.1 mm * Front Sealing Gasket fitted as standard * Rear Sealing Gasket fitted as standard * Mounting Holes Diameter 0.25", 6.4 mm * Mounting Holes B.C.D. 11.59", 294.3 mm * Depth 4.47", 114 mm MATERIALS of Construction * Copper voice coil * Polyimide former * Ferrite magnet * Extended core * Pressed steel basket * Paper Cone * Cloth cone edge * Screened cloth dust cap
 
Droits réservés 2007 Polyphonic sprl
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