DS18 PSW8.4D
2x4Ω
Shallow Subwoofer
| Nominal diameter | 8″ / 220 mm |
| Resonance | 42 Hz |
| Q factor | 0.84 |
| Sensitivity | 81 dB |
| Linear excursion | ± 8.5 mm |
| Program Power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81dB
- Frequency response 20 - 300Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 42Hz
- Mechanical quality factor QMS 4.08
- Electrical quality factor QES 1.06
- Total quality factor QTS 0.84
Large signal parameters
- Maximum linear excursion (one way) xmax 8.5mm
- Air volume displaced at xmax VD 184cm³
- Power handling P 400W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.5Ω
- Inductance (1kHz, in series) LE 1.83mH
- VC Diameter 50.8mm
- Winding material Copper
- Former material Aluminum
Magnet
- Force factor (in series) Bl 12.6N/A
- Motor constant Bl/√RE 4.95N/√W
- Diameter 134mm
- Weight 38.0kg
- Material Ferrite
Diaphragm
- Effective diameter 166mm
- Effective area SD 216cm²
- Moving mass MMS 98.4g
- Moving mass (without air load) MMD 96g
- Material Water-Resistant Paper + Aluminum
Suspensions
- Stiffness KMS 7.09N/mm
- Compliance CMS 141µm/N
- Equivalent volume to the compliance VAS 9.38L
- Mechanical resistance RMS 6.37N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 8″
- 220mm
- Overall diameter 220mm
- Baffle cutout diameter 191mm
- Overall depth 102mm
- Flange thickness 12mm
- Mounting depth 90mm
- Volume occupied by the driver 0.5L
- Frame material Steel
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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