DS18 ZXI8.2D
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 8″ / 218 mm |
| Resonance | 45 Hz |
| Q factor | 0.83 |
| Sensitivity | 83.1 dB |
| Program Power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.1dB
- Frequency response 25 - 880Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 45Hz
- Mechanical quality factor QMS 6.50
- Electrical quality factor QES 0.95
- Total quality factor QTS 0.83
Large signal parameters
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 2.8Ω
- Inductance (1kHz, in series) LE 0.746mH
- VC Diameter 50.8mm
- Winding material Copper Clad Aluminium
- Former material Black Aluminum
Magnet
- Force factor (in series) Bl 12.4N/A
- Motor constant Bl/√RE 5.24N/√W
- Diameter 134mm
- Weight 2.948kg
- Material Ferrite
Diaphragm
- Effective diameter 155mm
- Effective area SD 189cm²
- Moving mass MMS 92.6g
- Moving mass (without air load) MMD 90.5g
- Material Non Pressed Paper
Suspensions
- Stiffness KMS 7.04N/mm
- Compliance CMS 142µm/N
- Equivalent volume to the compliance VAS 7L
- Mechanical resistance RMS 4.03N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 8″
- 218mm
- Overall diameter 218mm
- Baffle cutout diameter 186mm
- Overall depth 174mm
- Flange thickness 34mm
- Mounting depth 140mm
- Volume occupied by the driver 1.02L
- Frame material Aluminium
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