DS18 EXL-X12.2D
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 12″ / 321 mm |
| Resonance | 50 Hz |
| Q factor | 0.39 |
| Sensitivity | 85.7 dB |
| Program Power | 2500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB
- Frequency response 30 - 1700Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 50Hz
- Mechanical quality factor QMS 2.90
- Electrical quality factor QES 0.45
- Total quality factor QTS 0.39
Large signal parameters
- Power handling P 1250W
- Program power Pmax 2500W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 4.4Ω
- Inductance (1kHz, in series) LE 2.24mH
- VC Diameter 65.2mm
- Winding material SV
- Former material Black Aluminum
Magnet
- Force factor (in series) Bl 33.4N/A
- Motor constant Bl/√RE 15.9N/√W
- Diameter 196mm
- Weight 5.95kg
- Material Ferrite
Diaphragm
- Effective diameter 250mm
- Effective area SD 491cm²
- Moving mass MMS 377g
- Moving mass (without air load) MMD 369g
- Material Non Pressed Paper + Glass Fiber
Suspensions
- Stiffness KMS 37N/mm
- Compliance CMS 27µm/N
- Equivalent volume to the compliance VAS 9.31L
- Mechanical resistance RMS 40.8N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 12″
- 321mm
- Overall diameter 321mm
- Baffle cutout diameter 282mm
- Overall depth 207mm
- Flange thickness 27mm
- Mounting depth 180mm
- Volume occupied by the driver 3L
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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