DB Drive WDX8G2R.4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 8″ / 223 mm |
| Resonance | 39.5 Hz |
| Q factor | 0.66 |
| Sensitivity | 79.8 dB |
| Linear excursion | ± 13 mm |
| Program Power | 1500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 79.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 39.5Hz
- Mechanical quality factor QMS 3.89
- Electrical quality factor QES 0.79
- Total quality factor QTS 0.66
Large signal parameters
- Maximum linear excursion (one way) xmax 13mm
- Air volume displaced at xmax VD 262cm³
- Power handling P 750W
- Program power Pmax 1500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.4Ω
- Inductance (1kHz, in series, estimated) LE 3.67mH
- VC Diameter 63.5mm
Magnet
- Force factor (in series) Bl 16.2N/A
- Motor constant Bl/√RE 6.41N/√W
Diaphragm
- Effective diameter 160mm
- Effective area SD 201cm²
- Moving mass MMS 132g
- Moving mass (without air load) MMD 130g
- Material Non-Pressed paper cone
Suspensions
- Stiffness KMS 8.14N/mm
- Compliance CMS 123µm/N
- Equivalent volume to the compliance VAS 7.05L
- Mechanical resistance RMS 8.43N·s/m
- Surround material Double stitched reinforced foam surround
- Spider material Dual poly-cotton dampeners
Dimensions
- Nominal diameter 8″
- 223mm
- Overall diameter 223mm
- Baffle cutout diameter 188mm
- Mounting depth 141mm
- 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
MfbLabs
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