DB Drive G7 12.2
2x1Ω
2x2Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 30.3 Hz |
| Q factor | 0.48 |
| Sensitivity | 82 dB |
| Linear excursion | ± 35 mm |
| Program power | 8000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82dB
Thiele & Small parameters
- Resonance frequency (free air) fS 30.3Hz
- Mechanical quality factor QMS 2.27
- Electrical quality factor QES 0.61
- Total quality factor QTS 0.48
Large signal parameters
- Maximum linear excursion (one way) xmax 35mm
- Air volume displaced at xmax VD 1654cm³
- Power handling P 4000W
- Program power Pmax 8000W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.2Ω
- Inductance (1kHz, in series, estimated) LE 3.74mH
- VC Diameter 76.2mm
Magnet
- Force factor (in series) Bl 19.6N/A
- Motor constant Bl/√RE 11N/√W
- Material Ferrite
Diaphragm
- Effective diameter 245mm
- Effective area SD 473cm²
- Moving mass (including air load) MMS 386g
- Moving mass MMD 378g
Suspensions
- Stiffness KMS 14.1N/mm
- Compliance CMS 71µm/N
- Equivalent volume to the compliance VAS 22.5L
- Mechanical resistance RMS 32.5N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 328mm
- Baffle cutout diameter 283mm
- Mounting depth 244mm
- Volume occupied by the driver (estimated) 2.9L
- Frame material Aluminium
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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