B&C Speaker 12SW115
4Ω
8Ω
Low frequency
| Nominal diameter | 12″ / 320 mm |
| Resonance | 38 Hz |
| Q factor | 0.25 |
| Sensitivity | 90.3 dB |
| Linear excursion | ± 13.5 mm |
| Program Power | 3400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
- Frequency response 40 - 1500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 9.30
- Electrical quality factor QES 0.26
- Total quality factor QTS 0.25
Large signal parameters
- Maximum linear excursion xmax 13.5mm
- Air volume displaced at xmax VD 705cm³
- Power handling P 1700W
- Program power Pmax 3400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.1Ω
- Inductance (1kHz) LE 1.9mH
- VC Diameter 115mm
- Winding height HVC 34.5mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.12T
- Force factor Bl 30.3N/A
- Motor constant Bl/√RE 13.4N/√W
- Air gap height HAG 14mm
- Material Neodymium Inside Slug
Diaphragm
- Effective diameter 258mm
- Effective area SD 522cm²
- Moving mass MMS 198g
- Moving mass (without air load) MMD 189g
- Material Waterproof Front Side
Suspensions
- Stiffness KMS 11.2N/mm
- Compliance CMS 89µm/N
- Equivalent volume to the compliance VAS 34L
- Mechanical resistance RMS 5.08N·s/m
- Spider material Silicone
Dimensions
- Nominal diameter 12″
- 320mm
- Overall diameter 315mm
- Baffle cutout diameter 283mm
- Overall depth 167mm
- Flange thickness 12mm
- Mounting depth 155mm
- Volume occupied by the driver 3.4L
- Net weight 10.4kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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