B&C Speaker 18NBX100
4Ω
8Ω
Woofer
Nominal diameter | 18″ / 460 mm |
Resonance | 35 Hz |
Q factor | 0.38 |
Sensitivity | 94.4 dB |
Linear excursion | ± 10 mm |
Program Power | 2400 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.4dB
- Frequency response 35 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 5.60
- Electrical quality factor QES 0.40
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion xmax 10mm
- Air volume displaced at xmax VD 1210cm³
- Power handling P 1200W
- Program power Pmax 2400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.2Ω
- Inductance (1kHz) LE 1.85mH
- VC Diameter 100mm
- Winding height HVC 25mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.1T
- Force factor Bl 24.8N/A
- Motor constant Bl/√RE 10.9N/√W
- Air gap height HAG 11mm
- Material Neodymium Inside Slug
Diaphragm
- Effective diameter 393mm
- Effective area SD 1210cm²
- Moving mass MMS 217g
- Moving mass (without air load) MMD 188g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 10.4N/mm
- Compliance CMS 96µm/N
- Equivalent volume to the compliance VAS 198L
- Mechanical resistance RMS 8.52N·s/m
- Spider material Silicone
Dimensions
- Nominal diameter 18″
- 460mm
- Overall diameter 460mm
- Baffle cutout diameter 422mm
- Overall depth 208mm
- Flange thickness 14mm
- Mounting depth 194mm
- Volume occupied by the driver 8.5L
- Net weight 9.05kg
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Export this driver to a simulation software:
Closed Box Simulator·





