KAPPA-15: 15″ Woofer
Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar.
Click Here to Download 4 ohm PDF Spec Sheet
Click Here to Download 4 ohm PDF Cabinet Design
Click Here to Download 8 ohm PDF Spec Sheet
Click Here to Download 8 ohm PDF Cabinet Design
| Specification | |
| Nominal Basket Diameter | 15″, 381 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | 900 W |
| Watts | 450 W |
| Resonance | 33 Hz |
| Usable Frequency Range | 52 Hz – 2.3 kHz |
| Sensitivity* | 100.5 dB |
| Magnet Weight | 80 oz. |
| Gap Height | 0.375″, 9.5 mm |
| Voice Coil Diameter | 3″, 76 mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 33 Hz |
| DC Resistance (Re) | 5.22 Ω |
| Coil Inductance (Le) | 1.05m H |
| Mechanical Q (Qms) | 8.9 |
| Electromagnetic Q (Qes) | 0.33 |
| Total Q (Qts) | 0.32 |
| Compliance Equivalent Volume (Vas) | 321.3 liters / 11.35 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 343 cc |
| Mechanical Compliance of Suspension (Cms) | 0.31 mm/N |
| BL Product (BL) | 15.7 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 76 grams |
| Efficiency Bandwidth Product (EBP) | 98 |
| Maximum Linear Excursion (Xmax) | 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 | 45-113 liters / 1.6-4 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 | Solid composition paper dust cap |
