Eighteen Sound 15NLW9500 8Ω
4Ω
8Ω
Subwoofer
| Nominal diameter | 15″ / 380 mm |
| Resonance | 35 Hz |
| Q factor | 0.32 |
| Sensitivity | 94.1 dB |
| Linear excursion | ± 9 mm |
| Program Power | 1400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.1dB
- Frequency response 42 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 6.70
- Electrical quality factor QES 0.34
- Total quality factor QTS 0.32
Large signal parameters
- Maximum linear excursion xmax 9mm
- Air volume displaced at xmax VD 765cm³
- Power handling P 1000W
- Program power Pmax 1400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 4.9Ω
- Inductance (1kHz) LE 0.8mH
- VC Diameter 100mm
- Winding material Copper
Magnet
- Force factor Bl 21.6N/A
- Motor constant Bl/√RE 9.76N/√W
- Material Neodymium
Diaphragm
- Effective diameter 329mm
- Effective area SD 850cm²
- Moving mass MMS 146g
- Moving mass (without air load) MMD 129g
- Material Weather protected
Suspensions
- Stiffness KMS 7.04N/mm
- Compliance CMS 142µm/N
- Equivalent volume to the compliance VAS 163L
- Mechanical resistance RMS 4.79N·s/m
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 387mm
- Baffle cutout diameter 353mm
- Overall depth 177mm
- Flange thickness 24mm
- Mounting depth 153mm
- Volume occupied by the driver (estimated) 3.9L
- Net weight 7.0kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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