Eighteen Sound 12NCX750
8Ω
Coaxial
| Nominal diameter | 12″ / 300 mm |
| Resonance | 58 Hz |
| Q factor | 0.29 |
| Sensitivity | 97.6 dB |
| Linear excursion | ± 5.5 mm |
| Program power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 97.6dB
- Frequency response 60 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 58Hz
- Mechanical quality factor QMS 6.42
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.29
Large signal parameters
- Maximum linear excursion (one way) xmax 5.5mm
- Air volume displaced at xmax VD 292cm³
- Power handling P 400W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.4Ω
- Inductance (1kHz) LE 0.62mH
- VC Diameter 75mm
- Winding material Copper
Magnet
- Force factor Bl 17.5N/A
- Motor constant Bl/√RE 7.53N/√W
- Material Neodymium
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass (including air load) MMS 48g
- Moving mass MMD 39.4g
- Material Water repellent
Suspensions
- Stiffness KMS 6.37N/mm
- Compliance CMS 157µm/N
- Equivalent volume to the compliance VAS 63L
- Mechanical resistance RMS 2.72N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 310mm
- Baffle cutout diameter 280mm
- Overall depth 148mm
- Flange thickness 14mm
- Mounting depth 134mm
- Volume occupied by the driver (estimated) 2.2L
- Net weight 4.5kg
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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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