STX W.20.80.4.MC
4Ω
8ΩLow frequency
| Nominal diameter | 8″ / 200 mm |
| Resonance | 48 Hz |
| Q factor | 0.97 |
| Sensitivity | 86.5 dB |
| Linear excursion | ± 3.5 mm |
| Program power | 80 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
- Frequency response 50 - 10000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 48Hz
- Mechanical quality factor QMS 3.10
- Electrical quality factor QES 1.40
- Total quality factor QTS 0.97
Large signal parameters
- Maximum linear excursion (one way) xmax 3.5mm
- Maximum excursion before damage xlim 10mm
- Air volume displaced at xmax VD 75cm³
- Power handling P 60W
- Program power Pmax 80W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.6Ω
- Inductance (1kHz) LE 0.22mH
- VC Diameter 25mm
- Winding material copper
- Former material Aluminium
Magnet
- Force factor Bl 4.1N/A
- Motor constant Bl/√RE 2.16N/√W
- Material Ferrite
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass (including air load) MMS 22.5g
- Moving mass MMD 20.2g
- Material Modified cellulose
Suspensions
- Stiffness KMS 1.96N/mm
- Compliance CMS 510µm/N
- Equivalent volume to the compliance VAS 33L
- Mechanical resistance RMS 2.19N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 205mm
- Baffle cutout diameter 179mm
- Overall depth 72mm
- Volume occupied by the driver (estimated) 0.33L
- Net weight 0.7kg
- 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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