DB Drive WDX12G2R.2
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 12″ / 329 mm |
| Resonance | 31 Hz |
| Q factor | 0.91 |
| Sensitivity | 82.6 dB |
| Linear excursion | ± 20 mm |
| Program Power | 2500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 31Hz
- Mechanical quality factor QMS 3.95
- Electrical quality factor QES 1.18
- Total quality factor QTS 0.91
Large signal parameters
- Maximum linear excursion (one way) xmax 20mm
- Air volume displaced at xmax VD 1038cm³
- Power handling P 1250W
- Program power Pmax 2500W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 4.0Ω
- Inductance (1kHz, in series, estimated) LE 4mH
- VC Diameter 76.2mm
Magnet
- Force factor (in series) Bl 14.2N/A
- Motor constant Bl/√RE 7.09N/√W
Diaphragm
- Effective diameter 257mm
- Effective area SD 519cm²
- Moving mass MMS 306g
- Moving mass (without air load) MMD 297g
- Material Non-Pressed paper
Suspensions
- Stiffness KMS 11.6N/mm
- Compliance CMS 86.5µm/N
- Equivalent volume to the compliance VAS 33.1L
- Mechanical resistance RMS 15.1N·s/m
- Surround material Reinforced foam
- Spider material Poly-cotton
Dimensions
- Nominal diameter 12″
- 329mm
- Overall diameter 329mm
- Baffle cutout diameter 284mm
- Mounting depth 185mm
- Volume occupied by the driver (estimated) 3L
- Frame material Die-cast Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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