Ground Zero HYDROGEN GZHW 30-D2
D1
D2
Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 42.4 Hz |
| Q factor | 0.60 |
| Sensitivity | 85.8 dB |
| Linear excursion | ± 22.5 mm |
| Program Power | 3000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 42.4Hz
- Mechanical quality factor QMS 6.86
- Electrical quality factor QES 0.65
- Total quality factor QTS 0.60
Large signal parameters
- Maximum linear excursion (one way) xmax 22.5mm
- Air volume displaced at xmax VD 1171cm³
- Power handling P 1500W
- Program power Pmax 3000W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.8Ω
- Inductance (1kHz, in series, estimated) LE 3.92mH
- VC Diameter 75mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 22.4N/A
- Motor constant Bl/√RE 11.5N/√W
- Material Ferrite
Diaphragm
- Effective diameter 257mm
- Effective area SD 520cm²
- Moving mass MMS 320g
- Moving mass (without air load) MMD 311g
- Material Reinforced paper
Suspensions
- Stiffness KMS 22.7N/mm
- Compliance CMS 44µm/N
- Equivalent volume to the compliance VAS 16.9L
- Mechanical resistance RMS 12.4N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 315mm
- Baffle cutout diameter 284mm
- Mounting depth 198mm
- Volume occupied by the driver (estimated) 2.6L
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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