DB Drive WDX18 5K
2x4Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 44.4 Hz |
| Q factor | 0.82 |
| Sensitivity | 89.5 dB |
| Linear excursion | ± 16.5 mm |
| Program power | 5000 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.5dB
Thiele & Small parameters
- Resonance frequency (free air) fS 44.4Hz
- Mechanical quality factor QMS 6.96
- Electrical quality factor QES 0.93
- Total quality factor QTS 0.82
Large signal parameters
- Maximum linear excursion (one way) xmax 16.5mm
- Air volume displaced at xmax VD 1925cm³
- Power handling P 2500W
- Program power Pmax 5000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.4Ω
- Inductance (1kHz, in series) LE 3mH
Magnet
- Force factor (in series) Bl 30.1N/A
- Motor constant Bl/√RE 11.9N/√W
Diaphragm
- Effective diameter 385mm
- Effective area SD 1167cm²
- Moving mass (including air load) MMS 472g
- Moving mass MMD 444g
Suspensions
- Stiffness KMS 33.3N/mm
- Compliance CMS 30µm/N
- Equivalent volume to the compliance VAS 57.9L
- Mechanical resistance RMS 18.9N·s/m
Dimensions
- Nominal diameter 18″
- 457mm
- Volume occupied by the driver (estimated) 6.9L
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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