Ground Zero HYDROGEN GZHW 38XSPL-D2
D1
D2
Subwoofer
| Nominal diameter | 15″ / 380 mm |
| Resonance | 39 Hz |
| Q factor | 0.65 |
| Sensitivity | 87.9 dB |
| Linear excursion | ± 22.5 mm |
| Program Power | 3500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB
Thiele & Small parameters
- Resonance frequency (free air) fS 39Hz
- Mechanical quality factor QMS 9.09
- Electrical quality factor QES 0.70
- Total quality factor QTS 0.65
Large signal parameters
- Maximum linear excursion (one way) xmax 22.5mm
- Air volume displaced at xmax VD 1864cm³
- Power handling P 2000W
- Program power Pmax 3500W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.7Ω
- Inductance (1kHz, in series, estimated) LE 4.84mH
- VC Diameter 75mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 24.4N/A
- Motor constant Bl/√RE 12.7N/√W
Diaphragm
- Effective diameter 325mm
- Effective area SD 828cm²
- Moving mass MMS 464g
- Moving mass (without air load) MMD 447g
- Material Paper
Suspensions
- Stiffness KMS 27.8N/mm
- Compliance CMS 36µm/N
- Equivalent volume to the compliance VAS 35L
- Mechanical resistance RMS 12.5N·s/m
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 390mm
- Baffle cutout diameter 360mm
- Mounting depth 231mm
- Volume occupied by the driver (estimated) 4.6L
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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