Description
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When you need bass that will rattle the windows, the Lab 12 is the go to subwoofer. Used by thousands to get those deep sub tones, this is a tried and tested speaker to upgrade your arsenal.
Recommended for vented, sealed, and horn loaded, professional audio enclosures as a subwoofer. Also great as an automotive sub.
Manufacturer Spec Sheet
Example Cabinet Designs
| Specification | |
| Nominal Basket Diameter | 12", 305 mm |
| Nominal Impedance* | 6 Ω |
| Power Rating* | |
| Program Power | 800 W |
| Watts | 400 W |
| Resonance | 22 Hz |
| Usable Frequency Range | 25 Hz - 0.1 kHz |
| Sensitivity* | 89.2 dB |
| Magnet Weight | 160 oz. |
| Gap Height | 0.37", 9.5 mm |
| Voice Coil Diameter | 2.5", 64 mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 22 Hz |
| DC Resistance (Re) | 4.29 Ω |
| Coil Inductance (Le) | 1.48m H |
| Mechanical Q (Qms) | 13.32 |
| Electromagnetic Q (Qes) | 0.39 |
| Total Q (Qts) | 0.38 |
| Compliance Equivalent Volume (Vas) | 125.2 liters / 4.42 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 659 cc |
| Mechanical Compliance of Suspension (Cms) | 0.35 mm/N |
| BL Product (BL) | 15 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 146 grams |
| Efficiency Bandwidth Product (EBP) | 56 |
| Maximum Linear Excursion (Xmax) | 13 mm |
| Surface Area of Cone (Sd) | 506.7 cm2 |
| Maximum Mechanical Limit (Xlim) | 22 mm |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | 22.7-28.3 liters / 0.8-1 cu.ft. |
| Vented | 45.3-101.9 liters / 1.6-3.6 cu.ft. |
| Driver Volume Displaced | 0.109 cu.ft. / 3.09 liters |
| Overall Diameter | 12.32", 312.9 mm |
| Baffle Hole Diameter | 11.04", 280.4 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | N/A |
| Mounting Holes Diameter | 0.26", 6.6mm |
| Mounting Holes B.C.D. | 11.77", 299mm |
| Depth | 6.44", 163.6 mm |
| Net Weight | 22 lbs, 9.98 kg |
| Shipping Weight | 23.8 lbs, 10.8 kgs |
| Materials of Construction | |
| Coil Construction | Copper voice coil |
| Coil Former | Polyimide former |
| Magnet Composition | Double stacked 80 oz. ferrite magnets |
| Core Details | Vented and extended core |
| Basket Materials | 12-spoke die-cast aluminum basket |
| Cone Composition | Kevlar-reinforced paper cone |
| Cone Edge Composition | Foam cone edge |
| Dust Cap Composition | Dual inverted dust caps |