Eminence Legend 1218 12" Replacement Guitar Speaker | LEGEND 1218 | | | SPECIFICATION | | | Nominal Basket Diameter | 12 , 304.8mm | | Nominal Impedance* | 8 ohms | | Power Rating | |  Watts | 150W | | Music Program | | | Resonance | 100Hz | | Usable Frequency Range | 80Hz-4.2kHz | | Sensitivity*** | 98.8 | | Magnet Weight | 38 oz. | | Gap Height | 0.312 , 7.92mm | | Voice Coil Diameter | 2 , 50.8mm | | | | | THIELE & SMALL PARAMETERS | | | Resonant Frequency (fs) | 100Hz | | DC Resistance (Re) | 6.95 | | Coil Inductance (Le) | 0.69mH | | Mechanical Q (Qms) | 15.51 | | Electromagnetic Q (Qes) | 0.95 | | Total Q (Qts) | 0.89 | | Compliance Equivalent Volume (Vas) | 31.2 liters / 1.1 cu. ft. | | Peak Diaphragm Displacement Volume (Vd) | 41cc | | Mechanical Compliance of Suspension (Cms) | 0.09mm/N | | BL Product (BL) | 11.6 T-M | | Diaphram Mass inc. Airload (Mms) | 29 grams | | Efficiency Bandwidth Product (EBP) | 105 | | Maximum Linear Excursion (Xmax) | 0.8mm | | Surface Area of Cone (Sd) | 506.7 cm2 | | Maximum Mechanical Limit (Xlim) | | | | | | MOUNTING INFORMATION | | | Recommended Enclosure | | | Sealed | | | Vented | Acceptable | | Overall Diameter | 12.03 , 305.5mm | | Baffle Hole Diameter | 10.95 , 278.1mm | | Front Sealing Gasket | fitted as standard | | Rear Sealing Gasket | fitted as standard | | Mounting Holes Diameter | 0.25 , 6.4mm | | Mounting Holes B.C. D. | 11.59 , 294.3mm | | Depth | 4.5 , 114mm | | Net Weight | 8.4 lbs., 3.8 kg | | Shipping Weight | 10.6 lbs., 4.8 kg | | | | | MATERIALS OF CONSTRUCTION | | | Coil Construction | Copper voice coil | | Coil Former | Polyimide former | | Magnet Composition | Ferrite magnet | | Core Details | Non-vented core | | Basket Materials | Pressed steel basket | | Cone Composition | Paper Cone | | Cone Edge Composition | Paper cone edge | | Dustcap Composition | Zurette dust cap |
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