Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar and monitors.
Applications 
Woofer | Midbass | Pro Audio | Pro Audio
Box Type: Vented | Horn Loading
Specifications
Download Spec Sheet Download Cab Design| SPECIFICATION | |
| Nominal Basket Diameter | 15", 381 mm | 
| Nominal Impedance* | 4 Ω | 
| Power Rating* | |
| Program Power | 900 W | 
| Watts | 450 W | 
| Resonance | 31 Hz | 
| Usable Frequency Range | 63 Hz - 2.8 kHz | 
| Sensitivity* | 98.1 dB | 
| Magnet Weight | 80 oz. | 
| Gap Height | 0.375", 9.5 mm | 
| Voice Coil Diameter | 3", 76 mm | 
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 31 Hz | 
| DC Resistance (Re) | 3.68 Ω | 
| Coil Inductance (Le) | 0.88m H | 
| Mechanical Q (Qms) | 10.14 | 
| Electromagnetic Q (Qes) | 0.25 | 
| Total Q (Qts) | 0.25 | 
| Compliance Equivalent Volume (Vas) | 329.9 liters / 11.65 cu.ft. | 
| Peak Diaphragm Displacement Volume (Vd) | 206 cc | 
| Mechanical Compliance of Suspension (Cms) | 0.35 mm/N | 
| BL Product (BL) | 14.7 T-M | 
| Diaphragm Mass Inc. Airload (MMs) | 77 grams | 
| Efficiency Bandwidth Product (EBP) | 124 | 
| Maximum Linear Excursion (Xmax) | 2.4 mm | 
| Surface Area of Cone (Sd) | 856.3 cm2 | 
| Maximum Mechanical Limit (Xlim) | 11.6 mm | 
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | N/a | 
| Vented | 40-79 liters / 1.4-2.8 cu.ft. | 
| Driver Volume Displaced | 0.138 cu.ft. / 3.92 liters | 
| Overall Diameter | 15.16", 385.1 mm | 
| Baffle Hole Diameter | 13.87", 352.3 mm | 
| Front Sealing Gasket | Yes | 
| Rear Sealing Gasket | Yes | 
| Mounting Holes Diameter | 0.25", 6.4mm | 
| Mounting Holes B.C.D. | 14.56", 369.8mm | 
| Depth | 6.13", 155.7 mm | 
| Net Weight | 17.6 lbs, 7.98 kg | 
| Shipping Weight | 19.8 lbs, 8.98 kgs | 
| MATERIALS OF CONSTRUCTION | |
| Coil Construction | Copper voice coil | 
| Coil Former | Polyimide former | 
| Magnet Composition | Ferrite magnet | 
| Core Details | Vented core | 
| Basket Materials | Pressed steel basket | 
| Cone Composition | Paper cone | 
| Cone Edge Composition | Cloth cone edge | 
| Dust Cap Composition | Sol | 
Frequency Response
              
            
      
      
      
      


