1 Subwoofer Only
Our
engineers at DB Drive have designed this subwoofer from the ground up
to shake the ground up. The foam surround along with the die-cast
aluminum vented basket allow for maximum excursion while the protective
magnet cover gives the woofer a rugged yet stylish appearance.
- 2.5? (63mm)4 Layer Dual 4 Ohm VC w/ Aluminum Former
- IMPP Cone with Foam Surround
- 40 oz. Ferrite Magnet
- Ultra Thin Stamped Steel Frame Design
- Blue Zinc Finished Top and Bottom Plates
- Mixed C Fiber Spider
- Heavy Gauge Spring Terminals
Specifications:
| Outside Diameter (A) | 12.43? (315mm) |
| Cutout Diameter (B) | 11.18? (284mm) |
| Mounting Depth (C) | 3.5? (89mm) |
| General Specifications | |
|---|
| Structure | 12? (30.4cm) Woofer |
| Dynamic Power Handling | 1000 Watts |
| Nominal Power Handling | 300 Watts |
| Impedance | Dual 4O Voice Coil |
| Parameters | |
|---|
| Resonant Frequency (fs) | 23.171Hz |
| D.C. Voice Coil Resistance (Re) | 7.24O |
| Mechanical Quality Factor (Qms) | 5.802 |
| Electrical Quality Factor (Qes) | 0.584 |
| Total Quality Factor (Qts) | 0.531 |
| | |
| Mass of Diaphragm/Coil (Mms) | 174.423 g |
| Force Factor (Bl) | 17.739 |
| Sound Pressure Level (SPL) | 85.8dB |
