BMS 8N519
8Ω
Woofer
Nominal diameter | 8″ / 205 mm |
Resonance | 74.9 Hz |
Q factor | 0.37 |
Sensitivity | 92.3 dB |
Linear excursion | ± 6.3 mm |
Program Power | 500 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 92.3dB
- Frequency response 80 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 74.9Hz
- Mechanical quality factor QMS 4.20
- Electrical quality factor QES 0.41
- Total quality factor QTS 0.37
Large signal parameters
- Maximum linear excursion xmax 6.3mm
- Air volume displaced at xmax VD 140cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.8Ω
- Inductance (1kHz) LE 0.36mH
- VC Diameter 52mm
- Winding height HVC 19mm
- Winding material Copper
Magnet
- Force factor Bl 13.8N/A
- Motor constant Bl/√RE 5.73N/√W
- Air gap height HAG 6.5mm
- Material Neodymium
Diaphragm
- Effective diameter 168mm
- Effective area SD 222cm²
- Moving mass MMS 28.5g
- Moving mass (without air load) MMD 26.1g
Suspensions
- Stiffness KMS 6.25N/mm
- Compliance CMS 160µm/N
- Equivalent volume to the compliance VAS 10.9L
- Mechanical resistance RMS 3.19N·s/m
Dimensions
- Nominal diameter 8″
- 205mm
- Overall diameter 205mm
- Baffle cutout diameter 182mm
- Overall depth 102mm
- Volume occupied by the driver (estimated) 0.79L
- Net weight 1.95kg
- Frame material Cast Aluminum
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