DELTA-12LFA 12" American Standard Series Speaker

Low frequency woofer for pro audio mid-bass or floor monitor applications in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures in vented, bass guitar or PA enclosures. Applications  Subwoofer | Woofer | Midbass | Pro Audio | Bass Guitar Box Type: Sealed | Vented | Horn Loading SpecificationsDownload Spec Sheet Download Cab Design SPECIFICATION Nominal Basket Diameter 12", 305 mm Nominal Impedance* 8 Ω Power Rating* Program Power 1000 W Watts 500 W Resonance 51 Hz Usable Frequency Range 44 Hz - 3 kHz Sensitivity* 94.6 dB Magnet Weight 56 oz. Gap Height 0.375", 9.5 mm Voice Coil Diameter 2.5", 64 mm THIELE & SMALL PARAMETERS Resonant Frequency (fs) 51 Hz DC Resistance (Re) 6.06 Ω Coil Inductance (Le) 1.45m H Mechanical Q (Qms) 7.28 Electromagnetic Q (Qes) 0.51 Total Q (Qts) 0.47 Compliance Equivalent Volume (Vas) 67.9 liters / 2.4 cu.ft. Peak Diaphragm Displacement Volume (Vd) 243 cc Mechanical Compliance of Suspension (Cms) 0.19 mm/N BL Product (BL) 14.1 T-M Diaphragm Mass Inc. Airload (MMs) 51 grams Efficiency Bandwidth Product (EBP) 100 Maximum Linear Excursion (Xmax) 4.8 mm Surface Area of Cone (Sd) 506.7 cm2 Maximum Mechanical Limit (Xlim) 13.5 mm MOUNTING INFORMATION Recommended Enclosure Volume Sealed 19.8-28 liters / 0.7-1 cu.ft. Vented 25.5-102 liters / 0.9-3.6 cu.ft. Driver Volume Displaced 0.079 cu.ft. / 2.25 liters Overall Diameter 12.03", 305.6 mm Baffle Hole Diameter 11.07", 281.2 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.25", 6.4mm Mounting Holes B.C.D. 11.59", 294.4mm Depth 5.35", 135.9 mm Net Weight 11.8 lbs, 5.35 kg Shipping Weight 14 lbs, 6.35 kgs MATERIALS OF CONSTRUCTION Coil Construction Copper voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented and extended core     Basket Materials Pressed steel basket Cone Composition Paper cone Cone Edge Composition Cloth cone edge Dust Cap Composition Solid composition paper dust cap Frequency Response