Earthquake Subzero-15
2x4Ω
Subwoofer
| Nominal diameter | 15″ / 381 mm |
| Resonance | 24.5 Hz |
| Q factor | 0.30 |
| Sensitivity | 89.8 dB |
| Linear excursion | ± 31.8 mm |
| Program power | 2500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 24.5Hz
- Mechanical quality factor QMS 12.66
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion (one way) xmax 31.8mm
- Air volume displaced at xmax VD 2826cm³
- Power handling P 1000W
- Program power Pmax 2500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.8Ω
- Inductance (1kHz, in series) LE 12.4mH
- Winding height HVC 76.2mm
Magnet
- Force factor (in series) Bl 37.8N/A
- Motor constant Bl/√RE 13.5N/√W
- Air gap height HAG 12.7mm
Diaphragm
- Effective diameter 337mm
- Effective area SD 890cm²
- Moving mass (including air load) MMS 369g
- Moving mass MMD 352g
Suspensions
- Stiffness KMS 8.73N/mm
- Compliance CMS 115µm/N
- Equivalent volume to the compliance VAS 130L
- Mechanical resistance RMS 4.49N·s/m
Dimensions
- Nominal diameter 15″
- 381mm
- Baffle cutout diameter 369mm
- Mounting depth 220mm
- Volume occupied by the driver 8.49L
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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