Ground Zero NUCLEAR GZNW 38SPL-D2
D1
D2
Subwoofer
| Nominal diameter | 15″ / 380 mm |
| Resonance | 36.5 Hz |
| Q factor | 0.61 |
| Sensitivity | 88.5 dB |
| Linear excursion | ± 40 mm |
| Program Power | 7000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB
Thiele & Small parameters
- Resonance frequency (free air) fS 36.5Hz
- Mechanical quality factor QMS 3.82
- Electrical quality factor QES 0.72
- Total quality factor QTS 0.61
Large signal parameters
- Maximum linear excursion (one way) xmax 40mm
- Air volume displaced at xmax VD 3209cm³
- Power handling P 3500W
- Program power Pmax 7000W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.2Ω
- Inductance (1kHz, in series, estimated) LE 3.01mH
- VC Diameter 75mm
- Winding material Aluminum
Magnet
- Force factor (in series) Bl 16.8N/A
- Motor constant Bl/√RE 9.39N/√W
- Material Ferrite
Diaphragm
- Effective diameter 320mm
- Effective area SD 802cm²
- Moving mass MMS 278g
- Moving mass (without air load) MMD 262g
- Material Reinforced paper
Suspensions
- Stiffness KMS 14.5N/mm
- Compliance CMS 69µm/N
- Equivalent volume to the compliance VAS 63L
- Mechanical resistance RMS 16.7N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 392mm
- Baffle cutout diameter 358mm
- Overall depth 280mm
- Flange thickness 11mm
- Mounting depth 269mm
- Volume occupied by the driver (estimated) 8.1L
- Frame material Aluminium cast
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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