JL Audio M8IB5-SG-TB
4Ω
Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 53.4 Hz |
| Q factor | 0.78 |
| Sensitivity | 86.9 dB |
| Linear excursion | ± 14 mm |
| Program Power | 400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.9dB
Thiele & Small parameters
- Resonance frequency (free air) fS 53.4Hz
- Mechanical quality factor QMS 11.83
- Electrical quality factor QES 0.83
- Total quality factor QTS 0.78
Large signal parameters
- Maximum linear excursion (one way) xmax 14mm
- Air volume displaced at xmax VD 318cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.0Ω
- Inductance (1kHz, estimated) LE 0.77mH
Magnet
- Force factor Bl 7N/A
- Motor constant Bl/√RE 4.07N/√W
- Diameter 140mm
Diaphragm
- Effective diameter 170mm
- Effective area SD 227cm²
- Moving mass MMS 40.6g
- Moving mass (without air load) MMD 38g
Suspensions
- Stiffness KMS 4.57N/mm
- Compliance CMS 219µm/N
- Equivalent volume to the compliance VAS 16L
- Mechanical resistance RMS 1.15N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 224mm
- Baffle cutout diameter 187mm
- Overall depth 169mm
- Flange thickness 37mm
- Mounting depth 132mm
- Volume occupied by the driver 0.91L
- Net weight 3.094kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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