Recommended for professional audio and bass in vented enclosures.
| SPECIFICATION | |
| Nominal Basket Diameter | 15", 381 mm |
| Nominal Impedance* | 4 or 8 Ω |
| Power Rating* | |
| Program Power | 1100W (4 Ω) or 900 W (Ω) |
| Watts | 500W (4Ω) or 450 W (8Ω) |
| Resonance | 44 Hz |
| Usable Frequency Range | 40 Hz - 1.5 kHz |
| Sensitivity* | 98.4 dB |
| Magnet Weight | 11 oz. |
| Gap Height | 0.365", 9.3 mm |
| Voice Coil Diameter | 3", 76 mm |
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 44 Hz |
| DC Resistance (Re) | 3.85 or 5.5 Ω |
| Coil Inductance (Le) | 0.93m H |
| Mechanical Q (Qms) | 8.97 |
| Electromagnetic Q (Qes) | 0.48 |
| Total Q (Qts) | 0.46 |
| Compliance Equivalent Volume (Vas) | 150.9 liters / 5.33 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 846 cc |
| Mechanical Compliance of Suspension (Cms) | 0.14 mm/N |
| BL Product (BL) | 17 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 93 grams |
| Efficiency Bandwidth Product (EBP) | 90 |
| Maximum Linear Excursion (Xmax) | 9.6 mm |
| Surface Area of Cone (Sd) | 881.1 cm2 |
| Maximum Mechanical Limit (Xlim) | 17 mm |
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | N/a |
| Vented | 99-195 liters / 3.5-6.9 cu.ft. |
| Driver Volume Displaced | 0.09 cu.ft. / 2.56 liters |
| Overall Diameter | 15.32", 389.1 mm |
| Baffle Hole Diameter | 14.03", 356.4 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.28", 7.1mm |
| Mounting Holes B.C.D. | 14.56", 369.8mm |
| Depth | 7.25", 184.2 mm |
| Net Weight | 8.6 lbs, 3.9 kg |
| Shipping Weight | 10.7 lbs, 4.85 kgs |
| MATERIALS OF CONSTRUCTION | |
| Coil Construction | Copper voice coil |
| Coil Former | Kapton former |
| Magnet Composition | Neodymium magnet |
| Core Details | Vented core |
| Basket Materials | Die-cast aluminum basket/heatsink |
| Cone Composition | Treated paper cone |
| Cone Edge Composition | Cloth cone edge |
| Dust Cap Composition | Treated paper dust cap |