STX W.38.500.4.MC
4Ω
8ΩWoofer
| Nominal diameter | 15″ / 380 mm |
| Resonance | 38 Hz |
| Q factor | 0.46 |
| Sensitivity | 94.2 dB |
| Linear excursion | ± 5 mm |
| Program power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.2dB
- Frequency response 40 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 3.97
- Electrical quality factor QES 0.52
- Total quality factor QTS 0.46
Large signal parameters
- Maximum linear excursion (one way) xmax 5mm
- Maximum excursion before damage xlim 15mm
- Air volume displaced at xmax VD 428cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz) LE 0.58mH
- VC Diameter 50mm
- Winding material Copper
- Former material Aluminium
Magnet
- Force factor Bl 11.6N/A
- Motor constant Bl/√RE 6.48N/√W
- Material Ferrite
Diaphragm
- Effective diameter 330mm
- Effective area SD 855cm²
- Moving mass (including air load) MMS 92g
- Moving mass MMD 74.7g
- Material Modified cellulose
Suspensions
- Stiffness KMS 5.26N/mm
- Compliance CMS 190µm/N
- Equivalent volume to the compliance VAS 196L
- Mechanical resistance RMS 5.53N·s/m
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 385mm
- Baffle cutout diameter 353mm
- Overall depth 158mm
- Volume occupied by the driver (estimated) 2.8L
- Net weight 4.9kg
- Frame material Steel
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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