Eighteen Sound 12MB600
4Ω
8ΩWoofer
| Nominal diameter | 12″ / 315 mm |
| Resonance | 46 Hz |
| Q factor | 0.19 |
| Sensitivity | 97.5 dB |
| Linear excursion | ± 4.5 mm |
| Program Power | 600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 97.5dB
- Frequency response 58 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 46Hz
- Mechanical quality factor QMS 4.89
- Electrical quality factor QES 0.19
- Total quality factor QTS 0.19
Large signal parameters
- Maximum linear excursion xmax 4.5mm
- Air volume displaced at xmax VD 239cm³
- Power handling P 450W
- Program power Pmax 600W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 2.7Ω
- Inductance (1kHz) LE 0.45mH
- VC Diameter 75mm
Magnet
- Force factor Bl 14.9N/A
- Motor constant Bl/√RE 9.07N/√W
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 56g
- Moving mass (without air load) MMD 47.2g
Suspensions
- Stiffness KMS 4.67N/mm
- Compliance CMS 214µm/N
- Equivalent volume to the compliance VAS 86L
- Mechanical resistance RMS 3.31N·s/m
Dimensions
- Nominal diameter 12″
- 315mm
- Overall diameter 315mm
- Baffle cutout diameter 282mm
- Overall depth 147mm
- Flange thickness 16mm
- Mounting depth 131mm
- Volume occupied by the driver (estimated) 3.4L
- Net weight 8.3kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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