DS18 SRW8.4
4Ω
2x4ΩShallow Subwoofer
| Nominal diameter | 8″ / 215 mm |
| Resonance | 64 Hz |
| Q factor | 0.66 |
| Sensitivity | 86.4 dB |
| Program Power | 300 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.4dB
- Frequency response 25 - 250Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 64Hz
- Mechanical quality factor QMS 5.94
- Electrical quality factor QES 0.74
- Total quality factor QTS 0.66
Large signal parameters
- Power handling P 150W
- Program power Pmax 300W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz) LE 1.18mH
- VC Diameter 38.6mm
- Winding material SV
- Former material Aluminum
Magnet
- Force factor Bl 10.4N/A
- Motor constant Bl/√RE 5.55N/√W
- Diameter 120mm
- Weight 0.907kg
- Material Ferrite
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 56.7g
- Moving mass (without air load) MMD 54.4g
- Material Paper
Suspensions
- Stiffness KMS 9.17N/mm
- Compliance CMS 109µm/N
- Equivalent volume to the compliance VAS 7L
- Mechanical resistance RMS 3.84N·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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