DB Drive WDX8G0.4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 8″ / 203 mm |
| Resonance | 41.7 Hz |
| Q factor | 0.37 |
| Sensitivity | 83.2 dB |
| Linear excursion | ± 11 mm |
| Program power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 41.7Hz
- Mechanical quality factor QMS 2.23
- Electrical quality factor QES 0.45
- Total quality factor QTS 0.37
Large signal parameters
- Maximum linear excursion (one way) xmax 11mm
- Air volume displaced at xmax VD 215cm³
- Power handling P 400W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.8Ω
- Inductance (1kHz, in series, estimated) LE 3.09mH
- VC Diameter 50.8mm
Magnet
- Force factor (in series) Bl 19.5N/A
- Motor constant Bl/√RE 7.47N/√W
Diaphragm
- Effective diameter 158mm
- Effective area SD 195cm²
- Moving mass (including air load) MMS 93.3g
- Moving mass MMD 91.2g
- Material Reinforced paper
Suspensions
- Stiffness KMS 6.41N/mm
- Compliance CMS 156µm/N
- Equivalent volume to the compliance VAS 8.42L
- Mechanical resistance RMS 11N·s/m
Dimensions
- Nominal diameter 8″
- 203mm
- Overall diameter 214mm
- Baffle cutout diameter 231mm
- Mounting depth 118mm
- Volume occupied by the driver (estimated) 0.98L
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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