Eighteen Sound 12ND830 8Ω
4Ω
8Ω
Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 55 Hz |
| Q factor | 0.28 |
| Sensitivity | 97 dB |
| Linear excursion | ± 6.5 mm |
| Program Power | 700 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
- Frequency response 53 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 55Hz
- Mechanical quality factor QMS 5.15
- Electrical quality factor QES 0.30
- Total quality factor QTS 0.28
Large signal parameters
- Maximum linear excursion (one way) xmax 6.5mm
- Air volume displaced at xmax VD 345cm³
- Power handling P 450W
- Program power Pmax 700W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.7Ω
- Inductance (1kHz) LE 1.5mH
- VC Diameter 75mm
- Winding material Aluminum
Magnet
- Force factor Bl 17.6N/A
- Motor constant Bl/√RE 7.37N/√W
- Material Neodymium
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 46g
- Moving mass (without air load) MMD 37.2g
- Material Weather protected
Suspensions
- Stiffness KMS 5.5N/mm
- Compliance CMS 182µm/N
- Equivalent volume to the compliance VAS 72L
- Mechanical resistance RMS 3.09N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 315mm
- Baffle cutout diameter 282mm
- Overall depth 140mm
- Flange thickness 9mm
- Mounting depth 131mm
- Volume occupied by the driver (estimated) 2.1L
- Net weight 4.3kg
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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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