Ground Zero HYDROGEN GZHW 12SPL-D2 FLAT
2x2Ω
Shallow Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 21 Hz |
| Q factor | 0.30 |
| Sensitivity | 87.1 dB |
| Linear excursion | ± 16 mm |
| Program Power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB
Thiele & Small parameters
- Resonance frequency (free air) fS 21Hz
- Mechanical quality factor QMS 9.02
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion (one way) xmax 16mm
- Air volume displaced at xmax VD 869cm³
- Power handling P 700W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 4.2Ω
- Inductance (1kHz, in series, estimated) LE 3.24mH
- VC Diameter 63mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 19.1N/A
- Motor constant Bl/√RE 9.33N/√W
- Material Ferrite
Diaphragm
- Effective diameter 263mm
- Effective area SD 543cm²
- Moving mass MMS 208g
- Moving mass (without air load) MMD 199g
- Material Paper sandwich
Suspensions
- Stiffness KMS 3.56N/mm
- Compliance CMS 281µm/N
- Equivalent volume to the compliance VAS 118L
- Mechanical resistance RMS 3.04N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 315mm
- Baffle cutout diameter 284mm
- Mounting depth 118mm
- Volume occupied by the driver (estimated) 2.6L
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
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WinISD
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