STX W.20.140.8.MC
8Ω
Low frequency
| Nominal diameter | 8″ / 200 mm |
| Resonance | 27 Hz |
| Q factor | 0.45 |
| Sensitivity | 87.2 dB |
| Linear excursion | ± 4.5 mm |
| Program power | 140 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.2dB
- Frequency response 30 - 6000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 27Hz
- Mechanical quality factor QMS 2.12
- Electrical quality factor QES 0.58
- Total quality factor QTS 0.45
Large signal parameters
- Maximum linear excursion (one way) xmax 4.5mm
- Maximum excursion before damage xlim 10mm
- Air volume displaced at xmax VD 101cm³
- Power handling P 70W
- Program power Pmax 140W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.1Ω
- Inductance (1kHz) LE 0.68mH
- VC Diameter 35mm
- Winding material Copper
- Former material Aluminum
Magnet
- Force factor Bl 5.9N/A
- Motor constant Bl/√RE 2.61N/√W
- Material Ferrite
Diaphragm
- Effective diameter 169mm
- Effective area SD 224cm²
- Moving mass (including air load) MMS 22.5g
- Moving mass MMD 20.1g
- Material Modified cellulose
Suspensions
- Stiffness KMS 0.704N/mm
- Compliance CMS 1420µm/N
- Equivalent volume to the compliance VAS 91L
- Mechanical resistance RMS 1.8N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 204mm
- Baffle cutout diameter 184mm
- Overall depth 85mm
- Volume occupied by the driver (estimated) 0.59L
- Net weight 1.5kg
- 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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