Ground Zero IRIDIUM GZIW 300
4Ω
Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 30 Hz |
| Q factor | 0.58 |
| Sensitivity | 86.2 dB |
| Linear excursion | ± 14 mm |
| Program Power | 700 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 5.38
- Electrical quality factor QES 0.65
- Total quality factor QTS 0.58
Large signal parameters
- Maximum linear excursion (one way) xmax 14mm
- Air volume displaced at xmax VD 704cm³
- Power handling P 350W
- Program power Pmax 700W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz) LE 2.19mH
- VC Diameter 50mm
- Winding material Copper
Magnet
- Force factor Bl 12.1N/A
- Motor constant Bl/√RE 6.51N/√W
Diaphragm
- Effective diameter 253mm
- Effective area SD 503cm²
- Moving mass MMS 155g
- Moving mass (without air load) MMD 147g
- Material HQPP
Suspensions
- Stiffness KMS 5.18N/mm
- Compliance CMS 193µm/N
- Equivalent volume to the compliance VAS 69.3L
- Mechanical resistance RMS 5.42N·s/m
- Surround material Rubber
- Spider material Polycot
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 310mm
- Baffle cutout diameter 287mm
- Mounting depth 149mm
- Volume occupied by the driver (estimated) 2.5L
- Frame material Steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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