DB Drive K9 12D4
August 30, 2021DB Drive S357V2
August 30, 2021
DB Drive SPX12S4 Out of Stock
Speed Series Subwoofer (12″ – 200W RMS – Single 4 Ohm)
Features:
- 2″ (50mm) Voice Coil w/ KSV Former
- PP Cone Structure with Foam Surround
- Vac PP Dome
- Ferrite Oxide Magnet
- Anti-resonant Stamped Steel frame
- High Carbon Steel top and bottom plates
- Poly-Cotton Dampeners
- Compression Speaker Terminals
| Outside Diameter (A) |
12.50″ (317mm) |
| Cutout Diameter (B) |
10.89″ (276.5mm) |
| Mounting Depth (C) |
5.43″ (138mm) |
| GENERAL SPECIFICATIONS |
| Structure |
12″ (3.48cm) Woofer |
| Dynamic Power Handling |
900 Watts |
| Nominal Power Handling |
300 Watts |
| Impedance |
Single 4Ω Voice Coil |
| PARAMETERS |
| Resonant Frequency (fs) |
25.5Hz |
| D.C. Voice Coil Resistance (Re) |
3.2Ω |
| Mechanical Quality Factor (Qms) |
8.45 |
| Electrical Quality Factor (Qes) |
0.95 |
| Total Quality Factor (Qts) |
0.85 |
|
|
| Mass of Diaphragm/Coil (Mms) |
111.8 g |
| Force Factor (Bl) |
7.8 |
| Sound Pressure Level (SPL) |
85.7dB |
