Eighteen Sound 18NLW9601 8Ω
4Ω
8Ω
Subwoofer
| Nominal diameter | 18″ / 462 mm |
| Resonance | 39 Hz |
| Q factor | 0.28 |
| Sensitivity | 94.9 dB |
| Linear excursion | ± 14 mm |
| Program Power | 3600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
- Frequency response 30 - 2300Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 39Hz
- Mechanical quality factor QMS 5.70
- Electrical quality factor QES 0.30
- Total quality factor QTS 0.28
Large signal parameters
- Maximum linear excursion (one way) xmax 14mm
- Air volume displaced at xmax VD 1582cm³
- Power handling P 1800W
- Program power Pmax 3600W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 4.7Ω
- Inductance (1kHz) LE 2.19mH
- VC Diameter 135mm
- Winding material Aluminum
Magnet
- Force factor Bl 31N/A
- Motor constant Bl/√RE 14.3N/√W
- Material Neodymium
Diaphragm
- Effective diameter 379mm
- Effective area SD 1130cm²
- Moving mass MMS 255g
- Moving mass (without air load) MMD 228g
- Material Water,UV repellent
Suspensions
- Stiffness KMS 15.4N/mm
- Compliance CMS 65µm/N
- Equivalent volume to the compliance VAS 120L
- Mechanical resistance RMS 11N·s/m
Dimensions
- Nominal diameter 18″
- 462mm
- Overall diameter 462mm
- Baffle cutout diameter 416mm
- Overall depth 236mm
- Flange thickness 26mm
- Mounting depth 210mm
- Volume occupied by the driver (estimated) 7.7L
- Net weight 12.8kg
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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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