Eighteen Sound 8NCX750
8Ω
Coaxial
| Nominal diameter | 8″ / 200 mm |
| Resonance | 111 Hz |
| Q factor | 0.26 |
| Sensitivity | 95.7 dB |
| Linear excursion | ± 4 mm |
| Program power | 600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.7dB
- Frequency response 90 - 1600Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 111Hz
- Mechanical quality factor QMS 5.00
- Electrical quality factor QES 0.27
- Total quality factor QTS 0.26
Large signal parameters
- Maximum linear excursion (one way) xmax 4mm
- Air volume displaced at xmax VD 91cm³
- Power handling P 300W
- Program power Pmax 600W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.4Ω
- Inductance (1kHz) LE 0.52mH
- VC Diameter 75mm
- Winding height HVC 12mm
- Winding material Copper
Magnet
- Force factor Bl 20N/A
- Motor constant Bl/√RE 8.61N/√W
- Air gap height HAG 7.6mm
- Material Neodymium
Diaphragm
- Effective diameter 170mm
- Effective area SD 227cm²
- Moving mass (including air load) MMS 29g
- Moving mass MMD 26.5g
- Material Water repellent
Suspensions
- Stiffness KMS 13.9N/mm
- Compliance CMS 72µm/N
- Equivalent volume to the compliance VAS 5.2L
- Mechanical resistance RMS 4.05N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 210mm
- Baffle cutout diameter 186mm
- Overall depth 132mm
- Flange thickness 14mm
- Mounting depth 118mm
- Volume occupied by the driver (estimated) 1.5L
- Net weight 3.95kg
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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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