Description
Recommended for professional audio as a mid/hi or full-range and monitor; also for bass guitar. Works well in sealed or vented enclosures.
Manufacturer Spec Sheet
Example Cabinet Designs
Specification | |
Nominal Basket Diameter | 12", 305 mm |
Nominal Impedance* | 8 Ω |
Power Rating* | |
Program Power | 500 W |
Watts | 250 W |
Resonance | 44 Hz |
Usable Frequency Range | 58 Hz - 4.3 kHz |
Sensitivity* | 99.9 dB |
Magnet Weight | 7 oz. |
Gap Height | 0.27", 7 mm |
Voice Coil Diameter | 2.5", 64 mm |
Thiele & Small Parameters | |
Resonant Frequency (fs) | 44 Hz |
DC Resistance (Re) | 5.17 Ω |
Coil Inductance (Le) | 0.43m H |
Mechanical Q (Qms) | 4.17 |
Electromagnetic Q (Qes) | 0.45 |
Total Q (Qts) | 0.41 |
Compliance Equivalent Volume (Vas) | 134.88 liters / 4.76 cu.ft. |
Peak Diaphragm Displacement Volume (Vd) | 255 cc |
Mechanical Compliance of Suspension (Cms) | 0.36 mm/N |
BL Product (BL) | 10.69 T-M |
Diaphragm Mass Inc. Airload (MMs) | 37 grams |
Efficiency Bandwidth Product (EBP) | 96 |
Maximum Linear Excursion (Xmax) | 4.9 mm |
Surface Area of Cone (Sd) | 519.5 cm2 |
Maximum Mechanical Limit (Xlim) | 8.5 mm |
Mounting Information | |
Recommended Enclosure Volume | |
Sealed | 25.49-42.48 liters / 0.9-1.5 cu.ft. |
Vented | 32.56-127.43 liters / 1.15-4.5 cu.ft. |
Driver Volume Displaced | 0.05 cu.ft. / 1.42 liters |
Overall Diameter | 12.38", 314.5 mm |
Baffle Hole Diameter | 11.06", 280.9 mm |
Front Sealing Gasket | Yes |
Rear Sealing Gasket | Yes |
Mounting Holes Diameter | 0.28", 7.1mm |
Mounting Holes B.C.D. | 11.62", 295.2mm |
Depth | 6.06", 153.9 mm |
Net Weight | 5.1 lbs, 2.31 kg |
Shipping Weight | 6.8 lbs, 3.08 kgs |
Materials of Construction | |
Coil Construction | Aluminum voice coil |
Coil Former | Polyimide former |
Magnet Composition | Neodymium magnet |
Core Details | Vented core |
Basket Materials | Die-cast aluminum basket/ heatsink |
Cone Composition | Paper cone |
Cone Edge Composition | Cloth cone edge |
Dust Cap Composition | Solid composition paper dust cap |