ESX QXS8D4
2x4Ω
Shallow Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 40.7 Hz |
| Q factor | 0.59 |
| Sensitivity | 76.6 dB |
| Linear excursion | ± 10 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 76.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 40.7Hz
- Mechanical quality factor QMS 5.46
- Electrical quality factor QES 0.67
- Total quality factor QTS 0.59
Large signal parameters
- Maximum linear excursion xmax 10mm
- Maximum excursion before damage xlim 15mm
- Air volume displaced at xmax VD 214cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.2Ω
- Inductance (1kHz, in series) LE 0.82mH
- VC Diameter 50mm
- Winding height HVC 28mm
- Former material TIL (Glass-Fibre)
Magnet
- Force factor (in series) Bl 8.2N/A
- Motor constant Bl/√RE 3.06N/√W
- Diameter 134mm
- Height 20mm
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 97.5g
- Moving mass (without air load) MMD 95.1g
- Material Glass-Fibre
Suspensions
- Stiffness KMS 1.6N/mm
- Compliance CMS 625µm/N
- Equivalent volume to the compliance VAS 10.1L
- Mechanical resistance RMS 4.57N·s/m
- Surround material Rubber
- Spider material Single Nomex
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 214mm
- Baffle cutout diameter 182mm
- Mounting depth 78mm
- Volume occupied by the driver (estimated) 1.7L
- Net weight 4.0kg
- Frame material Steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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