Eighteen Sound 18LW2600 8Ω
4Ω
8Ω
Subwoofer
Nominal diameter | 18″ / 462 mm |
Resonance | 31 Hz |
Q factor | 0.29 |
Sensitivity | 94 dB |
Linear excursion | ± 14.8 mm |
Program Power | 3000 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 94dB
- Frequency response 30 - 800Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 31Hz
- Mechanical quality factor QMS 11.70
- Electrical quality factor QES 0.30
- Total quality factor QTS 0.29
Large signal parameters
- Maximum linear excursion xmax 14.8mm
- Air volume displaced at xmax VD 1813cm³
- Power handling P 1500W
- Program power Pmax 3000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 4.9Ω
- Inductance (1kHz) LE 3.42mH
- VC Diameter 100mm
- Winding material Copper
Magnet
- Force factor Bl 31N/A
- Motor constant Bl/√RE 14N/√W
- Material Ferrite
Diaphragm
- Effective diameter 395mm
- Effective area SD 1225cm²
- Moving mass MMS 303g
- Moving mass (without air load) MMD 273g
Suspensions
- Stiffness KMS 11.5N/mm
- Compliance CMS 87µm/N
- Equivalent volume to the compliance VAS 187L
- Mechanical resistance RMS 5.04N·s/m
Dimensions
- Nominal diameter 18″
- 462mm
- Overall diameter 462mm
- Baffle cutout diameter 416mm
- Overall depth 231mm
- Flange thickness 23mm
- Mounting depth 208mm
- Volume occupied by the driver (estimated) 8.8L
- Net weight 16.1kg
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