DB Drive G7 18.1
2x1Ω
Subwoofer
| Nominal diameter | 18″ / 477 mm |
| Resonance | 27 Hz |
| Q factor | 0.61 |
| Sensitivity | 86.1 dB |
| Linear excursion | ± 35 mm |
| Program Power | 8000 W |
.webp)
.webp)
.webp)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.1dB
Thiele & Small parameters
- Resonance frequency (free air) fS 27Hz
- Mechanical quality factor QMS 2.34
- Electrical quality factor QES 0.83
- Total quality factor QTS 0.61
Large signal parameters
- Maximum linear excursion (one way) xmax 35mm
- Air volume displaced at xmax VD 3972cm³
- Power handling P 4000W
- Program power Pmax 8000W
Voice Coil
- Nominal impedance Z 2 x 1Ω
- DC resistance (in series) RE 1.4Ω
- Inductance (1kHz, in series, estimated) LE 2.18mH
- VC Diameter 76.2mm
- Winding material Aluminum
- Former material Aluminum
Magnet
- Force factor (in series) Bl 13.1N/A
- Motor constant Bl/√RE 11N/√W
- Material Ferrite
Diaphragm
- Effective diameter 380mm
- Effective area SD 1135cm²
- Moving mass MMS 594g
- Moving mass (without air load) MMD 566g
- Material Paper Glass Fibrillated Mixed Cone
Suspensions
- Stiffness KMS 17.1N/mm
- Compliance CMS 58.4µm/N
- Equivalent volume to the compliance VAS 107L
- Mechanical resistance RMS 43.2N·s/m
Dimensions
- Nominal diameter 18″
- 477mm
- Overall diameter 477mm
- Baffle cutout diameter 424mm
- Mounting depth 315mm
- Volume occupied by the driver (estimated) 7.7L
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Amplion.webp.webp)
.png.webp)
.jpg.webp)