Ground Zero PLUTONIUM GZPW Reference 250
2x2Ω
Subwoofer
| Nominal diameter | 10″ / 250 mm |
| Resonance | 31 Hz |
| Q factor | 0.53 |
| Sensitivity | 85.3 dB |
| Linear excursion | ± 15 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.3dB
- Frequency response 20 - 60Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 31Hz
- Mechanical quality factor QMS 8.63
- Electrical quality factor QES 0.56
- Total quality factor QTS 0.53
Large signal parameters
- Maximum linear excursion (one way) xmax 15mm
- Air volume displaced at xmax VD 476cm³
- Power handling P 500W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.8Ω
- Inductance (1kHz, in series) LE 0.94mH
- VC Diameter 50mm
- Winding height HVC 35mm
- Winding material Copper
- Former material Glass fiber
Magnet
- Force factor (in series) Bl 14.4N/A
- Motor constant Bl/√RE 7.39N/√W
- Diameter 133mm
- Material Ferrite
Diaphragm
- Effective diameter 201mm
- Effective area SD 318cm²
- Moving mass MMS 119g
- Moving mass (without air load) MMD 115g
- Material Sandwich (Paper/Foam/Paper)
Suspensions
- Stiffness KMS 4.55N/mm
- Compliance CMS 220µm/N
- Equivalent volume to the compliance VAS 31.5L
- Mechanical resistance RMS 2.68N·s/m
- Surround material Rubber
- Spider material BIMAX (Polyester - Cotton)
Dimensions
- Nominal diameter 10″
- 250mm
- Overall diameter 275mm
- Baffle cutout diameter 235mm
- Flange thickness 6mm
- Volume occupied by the driver (estimated) 2.2L
- Net weight 5.1kg
- Frame material Aluminium
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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