DB Drive WDX8G0.4
2x2Ω
2x4Ω
Subwoofer
8″ / 203 mm
Nominal diameter
42 Hz
Resonance
0.37
Q factor
83 dB
Sensitivity
± 11 mm
Linear excursion
800 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.2
- dB
- Resonance frequency (free air)
- fS
- 41.7
- Hz
- Mechanical quality factor
- QMS
- 2.23
- Electrical quality factor
- QES
- 0.45
- Total quality factor
- QTS
- 0.37
- Maximum linear excursion
- xmax
- 11.0
- mm
- Air volume displaced at xmax
- VD
- 215
- cm³
- Power handling
- P
- 400
- W
- Program power
- Pmax
- 800
- W
- Nominal impedance
- Z
- 2 x 4
- Ω
- DC resistance (in series)
- RE
- 6.8
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.5
- mH
- VC Diameter
- 51
- mm
- Force factor (in series)
- Bl
- 19.49
- N/A
- Motor constant
- Bl/√RE
- 7.47
- N/√W
- Effective diameter
- 158
- mm
- Effective area
- SD
- 195
- cm²
- Moving mass
- MMS
- 93.3
- g
- Moving mass (without air load)
- MMD
- 91.2
- g
- Material
- Reinforced paper
- Stiffness
- KMS
- 6.41
- N/mm
- Compliance
- CMS
- 156
- µm/N
- Equivalent volume to the compliance
- VAS
- 8.42
- L
- Mechanical resistance
- RMS
- 10.97
- N·s/m
- Nominal diameter
- 8
- ″
- 203
- mm
- Overall diameter
- 214
- mm
- Baffle cutout diameter
- 231
- mm
- Mounting depth
- 118
- mm
- Volume occupied by the driver (estimated)
- 0.98
- L