Acoustic Elegance IB18HT-8
4Ω
8Ω
Subwoofer
Nominal diameter | 18″ / 457 mm |
Resonance | 18.4 Hz |
Q factor | 0.57 |
Sensitivity | 90.2 dB |
Linear excursion | ± 18 mm |
Program Power | 1000 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 18.4Hz
- Mechanical quality factor QMS 5.74
- Electrical quality factor QES 0.63
- Total quality factor QTS 0.57
Large signal parameters
- Maximum linear excursion xmax 18mm
- Maximum excursion before damage xlim 25mm
- Air volume displaced at xmax VD 2192cm³
- Power handling P 500W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.6Ω
- Inductance (1kHz) LE 0.41mH
Magnet
- Force factor Bl 16N/A
- Motor constant Bl/√RE 6.76N/√W
Diaphragm
- Effective diameter 394mm
- Effective area SD 1218cm²
- Moving mass MMS 250g
- Moving mass (without air load) MMD 221g
Suspensions
- Stiffness KMS 3.33N/mm
- Compliance CMS 300µm/N
- Equivalent volume to the compliance VAS 632L
- Mechanical resistance RMS 5.03N·s/m
Dimensions
- Nominal diameter 18″
- 457mm
- Volume occupied by the driver (estimated) 6.9L
Export this driver to a simulation software:
Closed Box Simulator·





