Down4Sound SB10D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 10″ / 261 mm |
| Resonance | 37.7 Hz |
| Q factor | 0.43 |
| Sensitivity | 87.1 dB |
| Linear excursion | ± 21 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB
Thiele & Small parameters
- Resonance frequency (free air) fS 37.7Hz
- Mechanical quality factor QMS 3.51
- Electrical quality factor QES 0.49
- Total quality factor QTS 0.43
Large signal parameters
- Maximum linear excursion (one way) xmax 21mm
- Air volume displaced at xmax VD 701cm³
- Power handling P 500W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 8.1Ω
- Inductance (1kHz, in series, estimated) LE 5.21mH
- VC Diameter 63.5mm
Magnet
- Force factor (in series) Bl 32.4N/A
- Motor constant Bl/√RE 8.06N/√W
- Height 90mm
Diaphragm
- Effective diameter 206mm
- Effective area SD 334cm²
- Moving mass MMS 158g
- Moving mass (without air load) MMD 154g
Suspensions
- Stiffness KMS 6.29N/mm
- Compliance CMS 159µm/N
- Equivalent volume to the compliance VAS 25.7L
- Mechanical resistance RMS 0.74N·s/m
Dimensions
- Nominal diameter 10″
- 261mm
- Overall diameter 261mm
- Baffle cutout diameter 230mm
- Mounting depth 164mm
- Volume occupied by the driver 2.55L
- Net weight 9.93kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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