B&C Speaker 12NW76
4Ω
8ΩWoofer
| Nominal diameter | 12″ / 320 mm |
| Resonance | 43 Hz |
| Q factor | 0.15 |
| Sensitivity | 96.2 dB |
| Linear excursion | ± 8 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
- Frequency response 40 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 43Hz
- Mechanical quality factor QMS 3.75
- Electrical quality factor QES 0.15
- Total quality factor QTS 0.15
Large signal parameters
- Maximum linear excursion xmax 8mm
- Air volume displaced at xmax VD 418cm³
- Power handling P 500W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.4Ω
- Inductance (1kHz) LE 1.1mH
- VC Diameter 76mm
- Winding height HVC 19mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.3T
- Force factor Bl 22N/A
- Motor constant Bl/√RE 11.9N/√W
- Air gap height HAG 11mm
- Material Neodymium Ring
Diaphragm
- Effective diameter 258mm
- Effective area SD 522cm²
- Moving mass MMS 82g
- Moving mass (without air load) MMD 73.4g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 5.78N/mm
- Compliance CMS 173µm/N
- Equivalent volume to the compliance VAS 64.5L
- Mechanical resistance RMS 5.91N·s/m
Dimensions
- Nominal diameter 12″
- 320mm
- Overall diameter 315mm
- Baffle cutout diameter 283mm
- Overall depth 147mm
- Flange thickness 14mm
- Mounting depth 133mm
- Volume occupied by the driver 2.5L
- Net weight 4.9kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
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Hornresp
QSpeakers
SpeakerSim
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