DB Drive WDX8G5R.4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 8″ / 223 mm |
| Resonance | 44.9 Hz |
| Q factor | 0.70 |
| Sensitivity | 78.8 dB |
| Program Power | 1800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 78.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 44.9Hz
- Mechanical quality factor QMS 2.87
- Electrical quality factor QES 0.91
- Total quality factor QTS 0.70
Large signal parameters
- Power handling P 900W
- Program power Pmax 1800W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.4Ω
- Inductance (1kHz, in series, estimated) LE 4.37mH
- VC Diameter 63.5mm
- Winding material Anodized aluminum
Magnet
- Force factor (in series) Bl 18.5N/A
- Motor constant Bl/√RE 7.32N/√W
Diaphragm
- Effective diameter 160mm
- Effective area SD 201cm²
- Moving mass MMS 172g
- Moving mass (without air load) MMD 170g
- Material Non-Pressed paper cone
Suspensions
- Stiffness KMS 13.7N/mm
- Compliance CMS 73µm/N
- Equivalent volume to the compliance VAS 4.19L
- Mechanical resistance RMS 16.9N·s/m
- Surround material Double-stitched reinforced foam surround
- Spider material Poly-cotton
Dimensions
- Nominal diameter 8″
- 223mm
- Overall diameter 223mm
- Baffle cutout diameter 188mm
- Mounting depth 163mm
- Volume occupied by the driver (estimated) 1.1L
- Frame material Die-cast Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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