BMS 12N810
8Ω
Woofer
Nominal diameter | 12″ / 318 mm |
Resonance | 40.7 Hz |
Q factor | 0.16 |
Sensitivity | 97.1 dB |
Linear excursion | ± 2.5 mm |
Program Power | 1200 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 97.1dB
- Frequency response 80 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 40.7Hz
- Mechanical quality factor QMS 5.10
- Electrical quality factor QES 0.17
- Total quality factor QTS 0.16
Large signal parameters
- Maximum linear excursion xmax 2.5mm
- Air volume displaced at xmax VD 133cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.8Ω
- Inductance (1kHz) LE 0.76mH
- VC Diameter 101.6mm
- Winding height HVC 15mm
- Winding material Copper
Magnet
- Force factor Bl 24.5N/A
- Motor constant Bl/√RE 10.2N/√W
- Air gap height HAG 10mm
- Material Neodymium
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 68g
- Moving mass (without air load) MMD 59.2g
Suspensions
- Stiffness KMS 4.35N/mm
- Compliance CMS 230µm/N
- Equivalent volume to the compliance VAS 89.6L
- Mechanical resistance RMS 3.41N·s/m
Dimensions
- Nominal diameter 12″
- 318mm
- Overall diameter 318mm
- Baffle cutout diameter 284mm
- Overall depth 155mm
- Volume occupied by the driver (estimated) 2.7L
- Net weight 5.5kg
- Frame material Cast Aluminum
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