STX W.30.300.4.MC
4Ω
8ΩWoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 50 Hz |
| Q factor | 0.75 |
| Sensitivity | 92.5 dB |
| Linear excursion | ± 3.5 mm |
| Program power | 300 W |
.jpg)
.jpg)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 92.5dB
- Frequency response 50 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 50Hz
- Mechanical quality factor QMS 6.51
- Electrical quality factor QES 0.85
- Total quality factor QTS 0.75
Large signal parameters
- Maximum linear excursion (one way) xmax 3.5mm
- Maximum excursion before damage xlim 12.5mm
- Air volume displaced at xmax VD 172cm³
- Power handling P 150W
- Program power Pmax 300W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 2.8Ω
- Inductance (1kHz) LE 0.45mH
- VC Diameter 50mm
- Winding material Copper
- Former material Aluminium
Magnet
- Force factor Bl 6.4N/A
- Motor constant Bl/√RE 3.82N/√W
- Material Ferrite
Diaphragm
- Effective diameter 250mm
- Effective area SD 491cm²
- Moving mass (including air load) MMS 39g
- Moving mass MMD 31.2g
- Material Modified cellulose
Suspensions
- Stiffness KMS 3.85N/mm
- Compliance CMS 260µm/N
- Equivalent volume to the compliance VAS 88L
- Mechanical resistance RMS 1.88N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 305mm
- Baffle cutout diameter 283mm
- Overall depth 128mm
- Volume occupied by the driver (estimated) 1.4L
- Net weight 2.5kg
- Frame material Steel
.webp)
.webp)
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Amplion.jpg.webp)
.png.webp)
.jpg.webp)