Down4Sound TCX18D2
2x1Ω
2x2Ω
Subwoofer
| Nominal diameter | 18″ / 466 mm |
| Resonance | 30.2 Hz |
| Q factor | 0.52 |
| Sensitivity | 88.4 dB |
| Linear excursion | ± 39 mm |
| Program Power | 5400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.4dB
Thiele & Small parameters
- Resonance frequency (free air) fS 30.2Hz
- Mechanical quality factor QMS 5.20
- Electrical quality factor QES 0.60
- Total quality factor QTS 0.52
Large signal parameters
- Maximum linear excursion (one way) xmax 39mm
- Air volume displaced at xmax VD 4423cm³
- Power handling P 2700W
- Program power Pmax 5400W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.8Ω
- Inductance (1kHz, in series, estimated) LE 6.09mH
- VC Diameter 76.2mm
- Winding material Aluminum
- Former material Anodized aluminum
Magnet
- Force factor (in series) Bl 27.2N/A
- Motor constant Bl/√RE 14N/√W
- Diameter 240mm
- Material Ferrite (Y35)
Diaphragm
- Effective diameter 380mm
- Effective area SD 1134cm²
- Moving mass MMS 620g
- Moving mass (without air load) MMD 593g
- Material Carbon fiber
Suspensions
- Stiffness KMS 25.2N/mm
- Compliance CMS 39.7µm/N
- Equivalent volume to the compliance VAS 24.9L
- Mechanical resistance RMS 22.6N·s/m
Dimensions
- Nominal diameter 18″
- 466mm
- Overall diameter 466mm
- Baffle cutout diameter 420mm
- Mounting depth 362mm
- Volume occupied by the driver 8.78L
- Net weight 47.5kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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