Description
When you need bass that will rattle the windows, the Lab 15 is the go to 15" subwoofer. Used by many to get those deep sub tones, this is a tried and tested speaker to upgrade your arsenal.
Subwoofer suited for small vented boxes and for horn loading.
Manufacturer Spec Sheet
Example Cabinet Designs
| Specification | |
| Nominal Basket Diameter | 15", 381 mm | 
| Nominal Impedance* | 6 Ω | 
| Power Rating* | |
| Program Power | 1200 W | 
| Watts | 600 W | 
| Resonance | 28 Hz | 
| Usable Frequency Range | 20 Hz - 0.1 kHz | 
| Sensitivity* | 88.5 dB | 
| Magnet Weight | 160 oz. | 
| Gap Height | 0.37", 9.5 mm | 
| Voice Coil Diameter | 3", 76 mm | 
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 28 Hz | 
| DC Resistance (Re) | 4.9 Ω | 
| Coil Inductance (Le) | 3.23m H | 
| Mechanical Q (Qms) | 5.36 | 
| Electromagnetic Q (Qes) | 0.37 | 
| Total Q (Qts) | 0.35 | 
| Compliance Equivalent Volume (Vas) | 103.61 liters / 3.66 cu.ft. | 
| Peak Diaphragm Displacement Volume (Vd) | 968 cc | 
| Mechanical Compliance of Suspension (Cms) | 0.11 mm/N | 
| BL Product (BL) | 26.7 T-M | 
| Diaphragm Mass Inc. Airload (MMs) | 308 grams | 
| Efficiency Bandwidth Product (EBP) | 75 | 
| Maximum Linear Excursion (Xmax) | 11.8 mm | 
| Surface Area of Cone (Sd) | 823.7 cm2 | 
| Maximum Mechanical Limit (Xlim) | 22 mm | 
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | 35-108 liters / 1.2-3.8 cu.ft. | 
| Vented | 71-290 liters / 2.5-10.3 cu.ft. | 
| Driver Volume Displaced | 0.158 cu.ft. / 4.46 liters | 
| Overall Diameter | 15.34", 389.6 mm | 
| Baffle Hole Diameter | 14", 355.6 mm | 
| Front Sealing Gasket | Yes | 
| Rear Sealing Gasket | N/A | 
| Mounting Holes Diameter | 0.26", 6.6mm | 
| Mounting Holes B.C.D. | 14.7", 373.4mm | 
| Depth | 7.75", 196.9 mm | 
| Net Weight | 23.8 lbs, 10.8 kg | 
| Shipping Weight | 26 lbs, 11.79 kgs | 
| Materials of Construction | |
| Coil Construction | Copper voice coil | 
| Coil Former | Aluminum former | 
| Magnet Composition | Double stacked 80 oz. ferrite magnets | 
| Core Details | Vented and extended core | 
| Basket Materials | Die-cast aluminum basket | 
| Cone Composition | Kevlar-reinforced paper cone | 
| Cone Edge Composition | Foam cone edge | 
| Dust Cap Composition | water resistant treated solid composition paper | 
