Down4Sound DVX18D2
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 18″ / 469 mm |
| Resonance | 29.9 Hz |
| Q factor | 0.47 |
| Sensitivity | 89.9 dB |
| Linear excursion | ± 33 mm |
| Program Power | 3400 W |
.webp)
.webp)
.webp)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.9dB
Thiele & Small parameters
- Resonance frequency (free air) fS 29.9Hz
- Mechanical quality factor QMS 3.02
- Electrical quality factor QES 0.56
- Total quality factor QTS 0.47
Large signal parameters
- Maximum linear excursion (one way) xmax 33mm
- Air volume displaced at xmax VD 3743cm³
- Power handling P 1700W
- Program power Pmax 3400W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.8Ω
- Inductance (1kHz, in series, estimated) LE 5.3mH
- VC Diameter 76.2mm
Magnet
- Force factor (in series) Bl 26.3N/A
- Motor constant Bl/√RE 13.5N/√W
- Diameter 220mm
Diaphragm
- Effective diameter 380mm
- Effective area SD 1134cm²
- Moving mass MMS 505g
- Moving mass (without air load) MMD 477g
Suspensions
- Stiffness KMS 17.8N/mm
- Compliance CMS 56.3µm/N
- Equivalent volume to the compliance VAS 103L
- Mechanical resistance RMS 0.799N·s/m
- Spider material Long-fiber
Dimensions
- Nominal diameter 18″
- 469mm
- Overall diameter 469mm
- Baffle cutout diameter 432mm
- Mounting depth 300mm
- Volume occupied by the driver 6.51L
- Net weight 30.84kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Amplion.webp.webp)
.png.webp)
.webp.webp)