| SPECIFICATION |
| Nominal Basket Diameter |
15", 381 mm |
| Nominal Impedance* |
8 Ω |
| Power Rating* |
| Program Power |
2500 W |
| Watts |
1250 W |
| Resonance |
41 Hz |
| Usable Frequency Range |
44 Hz - 0.8 kHz |
| Sensitivity* |
95.5 dB |
| Magnet Weight |
109 oz. |
| Gap Height |
0.37", 9.5 mm |
| Voice Coil Diameter |
4", 102 mm |
| THIELE & SMALL PARAMETERS |
| Resonant Frequency (fs) |
41 Hz |
| DC Resistance (Re) |
4.97 Ω |
| Coil Inductance (Le) |
1.78m H |
| Mechanical Q (Qms) |
8.8 |
| Electromagnetic Q (Qes) |
0.4 |
| Total Q (Qts) |
0.39 |
| Compliance Equivalent Volume (Vas) |
154.5 liters / 5.46 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
677 cc |
| Mechanical Compliance of Suspension (Cms) |
0.15 mm/N |
| BL Product (BL) |
17.7 T-M |
| Diaphragm Mass Inc. Airload (MMs) |
98 grams |
| Efficiency Bandwidth Product (EBP) |
103 |
| Maximum Linear Excursion (Xmax) |
7.9 mm |
| Surface Area of Cone (Sd) |
856.3 cm2 |
| Maximum Mechanical Limit (Xlim) |
13.5 mm |
| MOUNTING INFORMATION |
| Recommended Enclosure Volume |
| Sealed |
N/a |
| Vented |
82-176 liters / 2.9-6.2 cu.ft. |
| Driver Volume Displaced |
0.152 cu.ft. / 4.31 liters |
| Overall Diameter |
15.21", 386.3 mm |
| Baffle Hole Diameter |
14", 355.6 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 |
6.42", 163.1 mm |
| Net Weight |
24.7 lbs, 11.2 kg |
| Shipping Weight |
27.1 lbs, 12.29 kgs |
| MATERIALS OF CONSTRUCTION |
| Coil Construction |
Copper voice coil |
| Coil Former |
Polyimide former |
| Magnet Composition |
Ferrite magnet |
| Core Details |
Extended core with Core Periphery Ventilation |
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| Basket Materials |
Die-cast aluminum basket |
| Cone Composition |
Paper cone |
| Cone Edge Composition |
Cloth cone edge |
| Dust Cap Composition |
Porous cloth top spider/ heatsink |
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