Ground Zero HYDROGEN GZHW 8SPL-D2 FLAT
2x2Ω
Shallow Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 31.5 Hz |
| Q factor | 0.41 |
| Sensitivity | 82.2 dB |
| Linear excursion | ± 12 mm |
| Program Power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 31.5Hz
- Mechanical quality factor QMS 6.36
- Electrical quality factor QES 0.44
- Total quality factor QTS 0.41
Large signal parameters
- Maximum linear excursion (one way) xmax 12mm
- Air volume displaced at xmax VD 257cm³
- Power handling P 500W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 4.1Ω
- Inductance (1kHz, in series, estimated) LE 2.12mH
- VC Diameter 50mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 14.6N/A
- Motor constant Bl/√RE 7.25N/√W
- Material Ferrite
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 116g
- Moving mass (without air load) MMD 113g
- Material Paper
Suspensions
- Stiffness KMS 4.59N/mm
- Compliance CMS 218µm/N
- Equivalent volume to the compliance VAS 14.2L
- Mechanical resistance RMS 3.6N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 211mm
- Baffle cutout diameter 187mm
- Mounting depth 80mm
- Volume occupied by the driver (estimated) 0.94L
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
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Hornresp
QSpeakers
SpeakerSim
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