DS18 EXL-TRX12.4D
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 319 mm |
| Resonance | 45 Hz |
| Q factor | 0.98 |
| Sensitivity | 84 dB |
| Linear excursion | ± 19 mm |
| Program Power | 4000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84dB
- Frequency response 10 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 45Hz
- Mechanical quality factor QMS 5.77
- Electrical quality factor QES 1.18
- Total quality factor QTS 0.98
Large signal parameters
- Maximum linear excursion (one way) xmax 19mm
- Air volume displaced at xmax VD 1009cm³
- Power handling P 2000W
- Program power Pmax 4000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.4Ω
- Inductance (1kHz, in series) LE 6.81mH
- VC Diameter 76.5mm
- Winding material SV
- Former material Black Aluminum
Magnet
- Force factor (in series) Bl 26.7N/A
- Motor constant Bl/√RE 9.8N/√W
- Diameter 191mm
- Weight 7.229kg
- Material Ferrite
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 402g
- Moving mass (without air load) MMD 393g
- Material Non-Pressed Paper + Epoxy Coating
Suspensions
- Stiffness KMS 31.9N/mm
- Compliance CMS 31.4µm/N
- Equivalent volume to the compliance VAS 12.6L
- Mechanical resistance RMS 19.7N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 12″
- 319mm
- Overall diameter 319mm
- Baffle cutout diameter 282mm
- Overall depth 246mm
- Flange thickness 38mm
- Mounting depth 208mm
- Volume occupied by the driver 3.5L
- Frame material Aluminium
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