Eighteen Sound 12W500
4Ω
8ΩWoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 49 Hz |
| Q factor | 0.35 |
| Sensitivity | 96.8 dB |
| Linear excursion | ± 4 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.8dB
- Frequency response 50 - 6000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 49Hz
- Mechanical quality factor QMS 6.10
- Electrical quality factor QES 0.37
- Total quality factor QTS 0.35
Large signal parameters
- Maximum linear excursion (one way) xmax 4mm
- Air volume displaced at xmax VD 212cm³
- Power handling P 350W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 2.7Ω
- Inductance (1kHz) LE 0.67mH
- VC Diameter 64mm
Magnet
- Force factor Bl 9.6N/A
- Motor constant Bl/√RE 5.84N/√W
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 36.5g
- Moving mass (without air load) MMD 27.7g
Suspensions
- Stiffness KMS 3.46N/mm
- Compliance CMS 289µm/N
- Equivalent volume to the compliance VAS 101L
- Mechanical resistance RMS 1.84N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 315mm
- Baffle cutout diameter 282mm
- Overall depth 141mm
- Flange thickness 16mm
- Mounting depth 125mm
- Volume occupied by the driver (estimated) 2.4L
- Net weight 5.2kg
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Export this driver to a simulation software:
Closed Box Simulator·
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SpeakerSim
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