DS18 SRW8.4D
4Ω
2x4Ω
Shallow Subwoofer
| Nominal diameter | 8″ / 215 mm |
| Resonance | 66 Hz |
| Q factor | 0.79 |
| Sensitivity | 86 dB |
| Program Power | 300 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86dB
- Frequency response 25 - 250Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 66Hz
- Mechanical quality factor QMS 6.12
- Electrical quality factor QES 0.90
- Total quality factor QTS 0.79
Large signal parameters
- Power handling P 150W
- Program power Pmax 300W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.5Ω
- Inductance (1kHz, in series) LE 1.75mH
- VC Diameter 38.6mm
- Winding material SV
- Former material Aluminum
Magnet
- Force factor (in series) Bl 13N/A
- Motor constant Bl/√RE 5.08N/√W
- Diameter 120mm
- Weight 0.907kg
- Material Ferrite
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 55.9g
- Moving mass (without air load) MMD 53.5g
- Material Paper
Suspensions
- Stiffness KMS 9.62N/mm
- Compliance CMS 104µm/N
- Equivalent volume to the compliance VAS 6.7L
- Mechanical resistance RMS 3.79N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 8″
- 215mm
- Overall diameter 215mm
- Baffle cutout diameter 181mm
- Overall depth 88mm
- Flange thickness 13mm
- Mounting depth 75mm
- Volume occupied by the driver 1.13L
- Frame material Steel
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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