Eighteen Sound 15W700 8Ω
4Ω
8Ω
Subwoofer
Nominal diameter | 15″ / 380 mm |
Resonance | 38 Hz |
Q factor | 0.30 |
Sensitivity | 96.5 dB |
Linear excursion | ± 6.5 mm |
Program Power | 700 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.5dB
- Frequency response 38 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 3.80
- Electrical quality factor QES 0.33
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion xmax 6.5mm
- Air volume displaced at xmax VD 553cm³
- Power handling P 450W
- Program power Pmax 700W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.7Ω
- Inductance (1kHz) LE 1.57mH
- VC Diameter 75mm
- Winding material Aluminum
Magnet
- Force factor Bl 18.4N/A
- Motor constant Bl/√RE 7.71N/√W
- Material Ferrite
Diaphragm
- Effective diameter 329mm
- Effective area SD 850cm²
- Moving mass MMS 80g
- Moving mass (without air load) MMD 62.7g
- Material Weather protected
Suspensions
- Stiffness KMS 4.57N/mm
- Compliance CMS 219µm/N
- Equivalent volume to the compliance VAS 217L
- Mechanical resistance RMS 5.03N·s/m
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 387mm
- Baffle cutout diameter 353mm
- Overall depth 168mm
- Flange thickness 19mm
- Mounting depth 149mm
- Volume occupied by the driver (estimated) 4.2L
- Net weight 8.5kg
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