EMINENCE BASSLITES2012 12-Inch Bass Guitar Speakers

This table charts the specifications for the BASSLITET S2012 speaker * Nominal Basket Diameter: 12-in , 305 mm. * Nominal Impedance: 8 Ohms. * Power Rating: * Watts: 150 W. * Music Program: 300 W. * Resonance: 48 Hz. * Usable Frequency Range: 49 Hz - 4.5 kHz. * Sensitivity: 99 dB. * Magnet Weight: 4 oz.. * Gap Height: 0.28-in , 7.1 mm. * Voice Coil Diameter: 2-in , 51 mm. * Thiele & Small Parameters. * Resonant Frequency (fs): 48 Hz. * DC Resistance (Re): 5.1 Ohms. * Coil Inductance (Le): 0.43m H. * Mechanical Q (Qms): 5.5. * Electromagnetic Q (Qes): 0.53. * Total Q (Qts): 0.48. * Compliance Equivalent Volume (Vas): 90.6 liters / 3.2 cu.ft.. * Peak Diaphragm Displacement Volume (Vd): 270.1 cc. * Mechanical Compliance of Suspension (Cms): 0.24 mm/N. * BL Product (BL): 11.7 T-M. * Diaphragm Mass Inc. Airload (MMs): 46 grams. * Efficiency Bandwidth Product (EBP): 91. * Maximum Linear Excursion (Xmax): 5.2 mm. * Surface Area of Cone (Sd): 519.5 cm2. * Maximum Mechanical Limit (Xlim): 9.8 mm. ----------------------------------- Recommended Enclosure Volume; * Sealed: Acceptable. * Vented: Acceptable. * Driver Volume Displaced: 0.059 cu.ft. / 1.67 liters. * Overall Diameter: 12.03-in , 305.6 mm. * Baffle Hole Diameter: 11.07-in , 281.2 mm. * Front Sealing Gasket: Yes. * Rear Sealing Gasket: N/A. * Mounting Holes Diameter: 0.25-in , 6.4mm. * Mounting Holes B.C.D.: 11.59-in , 294.4mm. * Depth: 5.1-in , 129.5 mm. * Net Weight: 4.1 lbs, 1.86 kg. * Shipping Weight: 5.8 lbs, 2.63 kgs. * Materials of Construction. * Coil Construction: Copper voice coil. * Coil Former: Polyimide former. * Magnet Composition: Neodymium magnet. * Core Details: Non-vented core. -----------------------------------. * Basket Materials: Pressed steel basket. * Cone Composition: Paper cone. * Cone Edge Composition: Cloth cone edge. * Dust Cap Composition: Solid composition felt dust cap.