Ground Zero IRIDIUM GZIW 250
4Ω
Subwoofer
| Nominal diameter | 10″ / 250 mm |
| Resonance | 27 Hz |
| Q factor | 0.44 |
| Sensitivity | 84.8 dB |
| Linear excursion | ± 12.5 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 27Hz
- Mechanical quality factor QMS 10.73
- Electrical quality factor QES 0.45
- Total quality factor QTS 0.44
Large signal parameters
- Maximum linear excursion (one way) xmax 12.5mm
- Air volume displaced at xmax VD 449cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.6Ω
- Inductance (1kHz) LE 2.36mH
- VC Diameter 50mm
- Winding material Copper
Magnet
- Force factor Bl 13.2N/A
- Motor constant Bl/√RE 6.98N/√W
Diaphragm
- Effective diameter 214mm
- Effective area SD 360cm²
- Moving mass MMS 137g
- Moving mass (without air load) MMD 133g
- Material HQPP
Suspensions
- Stiffness KMS 3.72N/mm
- Compliance CMS 269µm/N
- Equivalent volume to the compliance VAS 49.3L
- Mechanical resistance RMS 2.17N·s/m
- Surround material Rubber
- Spider material Polycot
Dimensions
- Nominal diameter 10″
- 250mm
- Overall diameter 257mm
- Baffle cutout diameter 230mm
- Mounting depth 129mm
- Volume occupied by the driver (estimated) 1.6L
- Frame material Steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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