Component Subwoofer Eminence KilomaxPro 18A
Recommended for professional audio subwoofer and woofer applications in sealed and vented enclosures. Not for horn-loading or scoops.
| Specification | |
| Nominal Basket Diameter | 18″, 457.2mm |
| Nominal Impedance* | 8 ohms |
| Power Rating** | |
| Watts | 1250W |
| Music Program | 2500W |
| Resonance | 32Hz |
| Usable Frequency Range | 33Hz – 0.3kHz |
| Sensitivity*** | 95.8dB |
| Magnet Weight | 109 oz. |
| Gap Height | 0.37″, 9.53mm |
| Voice Coil Diameter | 4″, 101.6mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 32Hz |
| DC Resistance (Re) | 5.07 |
| Coil Inductance (Le) | 1.59mH |
| Mechanical Q (Qms) | 10.15 |
| Electromagnetic Q (Qes) | 0.49 |
| Total Q (Qts) | 0.47 |
| Compliance Equivalent Volume (Vas) | 331.5 liters / 11.7 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 1159cc |
| Mechanical Compliance of Suspension (Cms) | 0.18mm/N |
| BL Product (BL) | 17.2 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 143.17 grams |
| Efficiency Bandwidth Product (EBP) | 64.9 |
| Maximum Linear Excursion (Xmax) | 10mm |
| Surface Area of Cone (Sd) | 1159 cm2 |
| Maximum Mechanical Limit (Xlim) | 19.2mm |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | 104.8-172.7 liters / 3.7-6.1 cu.ft. |
| Vented | 118.9-303 liters / 4.2-10.7 cu.ft. |
| Driver Volume Displaced | 403.9 cu.in. / 6.62 liters |
| Overall Diameter | 18″, 457.2mm |
| Baffle Hole Diameter | 16.56″, 420.6mm |
| Front Sealing Gasket | Fitted as standard |
| Rear Sealing Gasket | Fitted as standard |
| Mounting Holes Diameter | 0.28″, 7.1mm |
| Mounting Holes B.C.D. | 17.25″, 438.2mm |
| Depth | 8.15″, 207mm |
| Net Weight | 27.4 lbs, 12.4 kg |
| Shipping Weight | 30.9 lbs, 14 kgs |
| Materials of Construction | |
| Coil Construction | Copper voice coil |
| Coil Former | Kapton |
| Magnet Composition | Ferrite magnet |
| Core Details | Extended core with Core Periphery Ventilation |
| Basket Materials | Die-cast aluminum basket |
| Cone Composition | Treated Paper-Kevlar |
| Cone Edge Composition | Cloth cone edge |
| Dust Cap Composition | Porous cloth top spider/ heatsink |
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