Description
| SPECIFICATION | |
| Nominal Basket Diameter | 18", 457 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | 3200 W |
| Watts | 1600 W |
| Resonance | 36 Hz |
| Usable Frequency Range | 27 Hz - 1.3 kHz |
| Sensitivity* | 96.6 dB |
| Magnet Weight | 33 oz. |
| Gap Height | 0.5", 12.7 mm |
| Voice Coil Diameter | 4", 102 mm |
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 36 Hz |
| DC Resistance (Re) | 5.86 Ω |
| Coil Inductance (Le) | 1.54m H |
| Mechanical Q (Qms) | 8.46 |
| Electromagnetic Q (Qes) | 0.39 |
| Total Q (Qts) | 0.38 |
| Compliance Equivalent Volume (Vas) | 164.49 liters / 5.81 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 1851.1 cc |
| Mechanical Compliance of Suspension (Cms) | 0.08 mm/N |
| BL Product (BL) | 28.24 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 237 grams |
| Efficiency Bandwidth Product (EBP) | 91 |
| Maximum Linear Excursion (Xmax) | 15.21 mm |
| Surface Area of Cone (Sd) | 1217 cm2 |
| Maximum Mechanical Limit (Xlim) | 31.5 mm |
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | N/a |
| Vented | 99.11-339.80 liters / 3.50-12.00 cu.ft. |
| Driver Volume Displaced | 0.205 cu.ft. / 5.81 liters |
| Overall Diameter | 18.13", 460.5 mm |
| Baffle Hole Diameter | 16.6", 421.6 mm |
| Front Sealing Gasket | YES |
| Rear Sealing Gasket | YES |
| Mounting Holes Diameter | 0.28", 7.1mm |
| Mounting Holes B.C.D. | 17.32", 439.9mm |
| Depth | 8.9", 226.1 mm |
| Net Weight | 20.9 lbs, 9.48 kg |
| Shipping Weight | 23.4 lbs, 10.61 kgs |
| MATERIALS OF CONSTRUCTION | |
| Coil Construction | I/O Copper voice coil |
| Coil Former | Fiberglass former |
| Magnet Composition | Neodymium magnet |
| Core Details | Vented motor |
| Basket Materials | Die-cast aluminum basket |
| Cone Composition | X5 cone pulp |
| Cone Edge Composition | Advanced Polycotton surround |
| Dust Cap Composition | X5 dust cap pulp |