DB Drive DX-W8D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 8″ / 216 mm |
| Resonance | 43.3 Hz |
| Q factor | 0.76 |
| Sensitivity | 80.4 dB |
| Linear excursion | ± 18 mm |
| Program Power | 600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 80.4dB
Thiele & Small parameters
- Resonance frequency (free air) fS 43.3Hz
- Mechanical quality factor QMS 3.35
- Electrical quality factor QES 0.99
- Total quality factor QTS 0.76
Large signal parameters
- Maximum linear excursion (one way) xmax 18mm
- Air volume displaced at xmax VD 362cm³
- Power handling P 300W
- Program power Pmax 600W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.4Ω
- Inductance (1kHz, in series, estimated) LE 3.17mH
- VC Diameter 50.8mm
Magnet
- Force factor (in series) Bl 13.7N/A
- Motor constant Bl/√RE 5.43N/√W
- Material Ferrite oxide
Diaphragm
- Effective diameter 160mm
- Effective area SD 201cm²
- Moving mass MMS 107g
- Moving mass (without air load) MMD 104g
- Material Injected polypropylene (pp)
Suspensions
- Stiffness KMS 7.9N/mm
- Compliance CMS 127µm/N
- Equivalent volume to the compliance VAS 7.27L
- Mechanical resistance RMS 8.67N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 8″
- 216mm
- Overall diameter 216mm
- Baffle cutout diameter 177mm
- Mounting depth 117mm
- Volume occupied by the driver (estimated) 1L
- Frame material Stamped steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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