Lii Audio W 21
8Ω
Subwoofer
| Nominal diameter | 21″ / 542 mm |
| Resonance | 25 Hz |
| Q factor | 0.46 |
| Sensitivity | 95 dB |
| Linear excursion | ± 8 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB
- Frequency response 25 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 25Hz
- Mechanical quality factor QMS 1.87
- Electrical quality factor QES 0.61
- Total quality factor QTS 0.46
Large signal parameters
- Maximum linear excursion xmax 8mm
- Air volume displaced at xmax VD 1448cm³
- Power handling P 150W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.8Ω
- Inductance (1kHz, estimated) LE 4.9mH
- VC Diameter 100mm
Magnet
- Force factor Bl 17.8N/A
- Motor constant Bl/√RE 6.39N/√W
- Diameter 220mm
- Material Ceramic Y38
Diaphragm
- Effective diameter 480mm
- Effective area SD 1810cm²
- Moving mass MMS 152g
- Moving mass (without air load) MMD 100g
Suspensions
- Stiffness KMS 4.05N/mm
- Compliance CMS 247µm/N
- Equivalent volume to the compliance VAS 1148L
- Mechanical resistance RMS 12.7N·s/m
Dimensions
- Nominal diameter 21″
- 542mm
- Overall diameter 542mm
- Volume occupied by the driver (estimated) 11L
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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