Eighteen Sound 15NTLW2500
8Ω
Subwoofer
| Nominal diameter | 15″ / 393 mm |
| Resonance | 45 Hz |
| Q factor | 0.30 |
| Sensitivity | 98.4 dB |
| Linear excursion | ± 8 mm |
| Program power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 98.4dB
- Frequency response 45 - 3200Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 45Hz
- Mechanical quality factor QMS 8.90
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion (one way) xmax 8mm
- Air volume displaced at xmax VD 705cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.1Ω
- Inductance (1kHz) LE 0.65mH
- VC Diameter 64mm
- Winding height HVC 20.5mm
- Winding material Copper
Magnet
- Force factor Bl 21.2N/A
- Motor constant Bl/√RE 9.39N/√W
- Air gap height HAG 9mm
- Material Neodymium
Diaphragm
- Effective diameter 335mm
- Effective area SD 881cm²
- Moving mass (including air load) MMS 95g
- Moving mass MMD 76.8g
- Material Reinforced, water repellent
Suspensions
- Stiffness KMS 7.75N/mm
- Compliance CMS 129µm/N
- Equivalent volume to the compliance VAS 143L
- Mechanical resistance RMS 3.02N·s/m
Dimensions
- Nominal diameter 15″
- 393mm
- Overall diameter 393mm
- Baffle cutout diameter 355mm
- Overall depth 210mm
- Flange thickness 13mm
- Mounting depth 197mm
- Volume occupied by the driver (estimated) 2.9L
- Net weight 3.8kg
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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