DB Drive WDX12G2R.4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 329 mm |
| Resonance | 33.6 Hz |
| Q factor | 0.98 |
| Sensitivity | 82.2 dB |
| Linear excursion | ± 20 mm |
| Program Power | 2500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 33.6Hz
- Mechanical quality factor QMS 4.41
- Electrical quality factor QES 1.25
- Total quality factor QTS 0.98
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 4Ω
- DC resistance (in series) RE 6.4Ω
- Inductance (1kHz, in series, estimated) LE 7.49mH
- VC Diameter 76.2mm
Magnet
- Force factor (in series) Bl 20.4N/A
- Motor constant Bl/√RE 8.08N/√W
Diaphragm
- Effective diameter 257mm
- Effective area SD 519cm²
- Moving mass MMS 387g
- Moving mass (without air load) MMD 378g
- Material Non-Pressed paper
Suspensions
- Stiffness KMS 17.2N/mm
- Compliance CMS 58µm/N
- Equivalent volume to the compliance VAS 22.2L
- Mechanical resistance RMS 18.5N·s/m
- Surround material Double stitched reinforced foam
- Spider material Dual 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 vented basket
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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