Earthquake PRO-X188
4Ω
Subwoofer
| Nominal diameter | 18″ / 476 mm |
| Resonance | 36 Hz |
| Q factor | 0.67 |
| Sensitivity | 94.9 dB |
| Program power | 1600 W |
.jpg)
.jpg)
.jpg)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
Thiele & Small parameters
- Resonance frequency (free air) fS 36Hz
- Mechanical quality factor QMS 8.44
- Electrical quality factor QES 0.73
- Total quality factor QTS 0.67
Large signal parameters
- Maximum excursion before damage xlim 25mm
- Power handling P 800W
- Program power Pmax 1600W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz, estimated) LE 1.84mH
- VC Diameter 100mm
Magnet
- Force factor Bl 11.2N/A
- Motor constant Bl/√RE 6N/√W
- Diameter 220mm
Diaphragm
- Effective diameter 403mm
- Effective area SD 1273cm²
- Moving mass (including air load) MMS 116g
- Moving mass MMD 84.5g
Suspensions
- Stiffness KMS 5.95N/mm
- Compliance CMS 168µm/N
- Equivalent volume to the compliance VAS 386L
- Mechanical resistance RMS 3.12N·s/m
Dimensions
- Nominal diameter 18″
- 476mm
- Overall diameter 476mm
- Baffle cutout diameter 430mm
- Mounting depth 195mm
- Volume occupied by the driver 14.8L
.jpg)
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
Amplion.jpg.webp)
.jpg.webp)
.jpg.webp)