Ground Zero IRIDIUM GZIW 12XSPL-D2
2x2Ω
Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 32.5 Hz |
| Q factor | 0.73 |
| Sensitivity | 84.8 dB |
| Linear excursion | ± 17 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 32.5Hz
- Mechanical quality factor QMS 10.76
- Electrical quality factor QES 0.79
- Total quality factor QTS 0.73
Large signal parameters
- Maximum linear excursion (one way) xmax 17mm
- Air volume displaced at xmax VD 881cm³
- Power handling P 600W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 4.3Ω
- Inductance (1kHz, in series) LE 2.48mH
- VC Diameter 63mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 15.9N/A
- Motor constant Bl/√RE 7.64N/√W
Diaphragm
- Effective diameter 257mm
- Effective area SD 518cm²
- Moving mass MMS 231g
- Moving mass (without air load) MMD 223g
- Material Reinforced paper
Suspensions
- Stiffness KMS 9.43N/mm
- Compliance CMS 106µm/N
- Equivalent volume to the compliance VAS 40.4L
- Mechanical resistance RMS 4.38N·s/m
- Surround material High-roll sandwich
- Spider material Progressive 2-layer
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 310mm
- Baffle cutout diameter 285mm
- Mounting depth 162mm
- Volume occupied by the driver (estimated) 2.5L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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