B&C Speaker 12NBX100
4Ω
8Ω
Woofer
Nominal diameter | 12″ / 320 mm |
Resonance | 41 Hz |
Q factor | 0.22 |
Sensitivity | 93.1 dB |
Linear excursion | ± 10 mm |
Program Power | 2000 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 93.1dB
- Frequency response 40 - 1500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 41Hz
- Mechanical quality factor QMS 3.90
- Electrical quality factor QES 0.24
- Total quality factor QTS 0.22
Large signal parameters
- Maximum linear excursion xmax 10mm
- Air volume displaced at xmax VD 531cm³
- Power handling P 1000W
- Program power Pmax 2000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.1Ω
- Inductance (1kHz) LE 1.9mH
- VC Diameter 100mm
- Winding height HVC 25mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.1T
- Force factor Bl 25.6N/A
- Motor constant Bl/√RE 11.3N/√W
- Air gap height HAG 11mm
- Material Neodymium Inside Slug
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 117g
- Moving mass (without air load) MMD 108g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 7.94N/mm
- Compliance CMS 126µm/N
- Equivalent volume to the compliance VAS 51L
- Mechanical resistance RMS 7.73N·s/m
- Spider material Silicone
Dimensions
- Nominal diameter 12″
- 320mm
- Overall diameter 320mm
- Baffle cutout diameter 280mm
- Overall depth 143mm
- Flange thickness 12mm
- Mounting depth 131mm
- Volume occupied by the driver 4L
- Net weight 8.25kg
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