Earthquake MAGMA-12X
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 26.4 Hz |
| Q factor | 0.60 |
| Sensitivity | 83.4 dB |
| Linear excursion | ± 38 mm |
| Program power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.4dB
Thiele & Small parameters
- Resonance frequency (free air) fS 26.4Hz
- Mechanical quality factor QMS 2.36
- Electrical quality factor QES 0.81
- Total quality factor QTS 0.60
Large signal parameters
- Maximum linear excursion (one way) xmax 38mm
- Air volume displaced at xmax VD 2014cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 5.8Ω
- Inductance (1kHz, in series, estimated) LE 4.96mH
Magnet
- Force factor (in series) Bl 17N/A
- Motor constant Bl/√RE 7.05N/√W
- Diameter 180mm
- Height 51mm
Diaphragm
- Effective diameter 260mm
- Effective area SD 530cm²
- Moving mass (including air load) MMS 241g
- Moving mass MMD 233g
- Material non-pressed fiber
Suspensions
- Stiffness KMS 6.62N/mm
- Compliance CMS 151µm/N
- Equivalent volume to the compliance VAS 60.2L
- Mechanical resistance RMS 16.9N·s/m
- Surround material Poly-ether
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 283mm
- Mounting depth 170mm
- Volume occupied by the driver 2.4L
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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