DS18 EXL-TRX15.4D
2x4Ω
Subwoofer
| Nominal diameter | 15″ / 398 mm |
| Resonance | 50 Hz |
| Q factor | 0.72 |
| Sensitivity | 88.6 dB |
| Linear excursion | ± 25 mm |
| Program Power | 6000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.6dB
- Frequency response 10 - 400Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 50Hz
- Mechanical quality factor QMS 4.71
- Electrical quality factor QES 0.86
- Total quality factor QTS 0.72
Large signal parameters
- Maximum linear excursion (one way) xmax 25mm
- Air volume displaced at xmax VD 2112cm³
- Power handling P 3000W
- Program power Pmax 6000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 5.9Ω
- Inductance (1kHz, in series) LE 9.04mH
- VC Diameter 99.8mm
- Winding material Copper Clad Aluminium
- Former material Black Aluminum
Magnet
- Force factor (in series) Bl 29.2N/A
- Motor constant Bl/√RE 12N/√W
- Diameter 232mm
- Weight 11.14kg
- Material Ferrite
Diaphragm
- Effective diameter 328mm
- Effective area SD 845cm²
- Moving mass MMS 394g
- Moving mass (without air load) MMD 376g
- Material Non-Pressed Paper + Epoxy Coating
Suspensions
- Stiffness KMS 29.2N/mm
- Compliance CMS 34.3µm/N
- Equivalent volume to the compliance VAS 33.9L
- Mechanical resistance RMS 26.3N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 15″
- 398mm
- Overall diameter 398mm
- Baffle cutout diameter 355mm
- Overall depth 293mm
- Flange thickness 46mm
- Mounting depth 247mm
- Volume occupied by the driver 3.82L
- Frame material Aluminium
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