Eighteen Sound 15ND830 8Ω
4Ω
8Ω
Subwoofer
| Nominal diameter | 15″ / 380 mm |
| Resonance | 39 Hz |
| Q factor | 0.32 |
| Sensitivity | 96.3 dB |
| Linear excursion | ± 6.5 mm |
| Program Power | 700 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.3dB
- Frequency response 38 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 39Hz
- Mechanical quality factor QMS 3.90
- Electrical quality factor QES 0.35
- Total quality factor QTS 0.32
Large signal parameters
- Maximum linear excursion xmax 6.5mm
- Air volume displaced at xmax VD 553cm³
- Power handling P 450W
- Program power Pmax 700W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.7Ω
- Inductance (1kHz) LE 1.54mH
- VC Diameter 75mm
- Winding material Aluminum
Magnet
- Force factor Bl 18N/A
- Motor constant Bl/√RE 7.54N/√W
- Material Neodymium
Diaphragm
- Effective diameter 329mm
- Effective area SD 850cm²
- Moving mass MMS 80g
- Moving mass (without air load) MMD 62.7g
- Material Weather protected
Suspensions
- Stiffness KMS 4.81N/mm
- Compliance CMS 208µm/N
- Equivalent volume to the compliance VAS 213L
- Mechanical resistance RMS 5.03N·s/m
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 387mm
- Baffle cutout diameter 353mm
- Overall depth 177mm
- Flange thickness 11mm
- Mounting depth 166mm
- Volume occupied by the driver (estimated) 2.9L
- Net weight 4.6kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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