DS18 Black Diamond DIA-T12.4D
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 323 mm |
| Resonance | 32 Hz |
| Q factor | 0.65 |
| Sensitivity | 83.5 dB |
| Linear excursion | ± 24 mm |
| Program Power | 2000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.5dB
- Frequency response 20 - 200Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 32Hz
- Mechanical quality factor QMS 4.05
- Electrical quality factor QES 0.77
- Total quality factor QTS 0.65
Large signal parameters
- Maximum linear excursion (one way) xmax 24mm
- Air volume displaced at xmax VD 1274cm³
- Power handling P 1000W
- Program power Pmax 2000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.6Ω
- Inductance (1kHz, in series) LE 3.44mH
- VC Diameter 76.5mm
- Winding material Copper
- Former material Aluminum
Magnet
- Force factor (in series) Bl 25.6N/A
- Motor constant Bl/√RE 9.27N/√W
- Diameter 180mm
- Weight 3.4kg
- Material Ferrite
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 325g
- Moving mass (without air load) MMD 316g
- Material Non-Pressed paper
Suspensions
- Stiffness KMS 15N/mm
- Compliance CMS 66.6µm/N
- Equivalent volume to the compliance VAS 26.7L
- Mechanical resistance RMS 16.1N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 12″
- 323mm
- Overall diameter 323mm
- Baffle cutout diameter 282mm
- Overall depth 215mm
- Flange thickness 36mm
- Mounting depth 179mm
- Volume occupied by the driver 2.26L
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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