Eighteen Sound 18NLW9601
4Ω
8ΩSubwoofer
| Nominal diameter | 18″ / 462 mm |
| Resonance | 38 Hz |
| Q factor | 0.28 |
| Sensitivity | 96.3 dB |
| Linear excursion | ± 14 mm |
| Program Power | 3600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.3dB
- Frequency response 30 - 2300Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 6.00
- Electrical quality factor QES 0.29
- Total quality factor QTS 0.28
Large signal parameters
- Maximum linear excursion (one way) xmax 14mm
- Air volume displaced at xmax VD 1813cm³
- Power handling P 1800W
- Program power Pmax 3600W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 2.7Ω
- Inductance (1kHz) LE 1.53mH
- VC Diameter 135mm
- Winding material Aluminum
Magnet
- Force factor Bl 25N/A
- Motor constant Bl/√RE 15.2N/√W
- Material Neodymium
Diaphragm
- Effective diameter 406mm
- Effective area SD 1295cm²
- Moving mass MMS 255g
- Moving mass (without air load) MMD 224g
Suspensions
- Stiffness KMS 14.5N/mm
- Compliance CMS 69µm/N
- Equivalent volume to the compliance VAS 111L
- Mechanical resistance RMS 10.2N·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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