Eminence Delta - Haut-parleur 12 Pouces 400W 8 Ohms
DELTA-12A Standard American Recommandé pour les applications professionnelles audio, en tant que transducteur de médium ou boomer (avec filtre passe-haut) dans des enceintes bass reflex. SPECIFICATION Nominal Basket Diameter 12", 304.8 mm Nominal Impedance 8 ohms Power Rating Watts 400 W / Music Program 800 W Resonance 55 Hz Usable Frequency Range 54 Hz - 5 kHz Sensitivity 98.3 Magnet Weight 56 oz. Gap Height 0.375", 9.53 mm Voice Coil Diameter 2.5", 63.5 mm THIELE & Small Parameters Resonant Frequency (fs) 55 Hz DC Resistance (Re) 6.3 Coil Inductance (Le) 0.74 mH Mechanical Q (Qms) 5.27 Electromagnetic Q (Qes) 0.46 Total Q (Qts) 0.43 Compliance Equivalent Volume 81.3 liters (Vas) 81.3 liters / 2.9 cu. ft. Peak Diaphragm Displacement Volume 125 cc Mechanical Compliance of Suspension 0.21 mm/N BL Product (BL) 13.5 T-M Diaphragm Mass inc. Airload (Mms) 39 grams Efficiency Bandwidth Product (EBP) 120 Maximum Linear Excursion (Xmax) 2.4 mm Surface Area of Cone (Sd) 519.5 cm² Maximum Mechanical Limit (Xlim) 9.9 mm MOUNTING Information Recommended Enclosure Volume Sealed N/A Vented 25.5-85 liters/0.9-3 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 5.35", 136 mm MATERIALS of Construction Aluminum voice coil Polyimide former Ferrite magnet Vented core Pressed steel basket Paper Cone Cloth cone edge Solid composition felt dust cap
