Goldwood GW-12PC/4
4Ω
8ΩSubwoofer
| Nominal diameter | 12″ / 311 mm |
| Resonance | 32.9 Hz |
| Q factor | 0.39 |
| Sensitivity | 89.4 dB |
| Linear excursion | ± 5 mm |
| Program Power | 450 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.4dB
- Frequency response 20 - 3500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 32.9Hz
- Mechanical quality factor QMS 3.90
- Electrical quality factor QES 0.44
- Total quality factor QTS 0.39
Large signal parameters
- Maximum linear excursion xmax 5mm
- Air volume displaced at xmax VD 244cm³
- Power handling P 225W
- Program power Pmax 450W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.7Ω
- Inductance (1kHz) LE 1.7mH
- VC Diameter 50.8mm
- Winding material Aluminum
Magnet
- Force factor Bl 13.6N/A
- Motor constant Bl/√RE 7.07N/√W
- Weight 1.417kg
Diaphragm
- Effective diameter 249mm
- Effective area SD 488cm²
- Moving mass MMS 107g
- Moving mass (without air load) MMD 98.7g
- Material Poly-Mica
Suspensions
- Stiffness KMS 4.57N/mm
- Compliance CMS 219µm/N
- Equivalent volume to the compliance VAS 73.2L
- Mechanical resistance RMS 5.65N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 12″
- 311mm
- Overall diameter 311mm
- Baffle cutout diameter 283mm
- Mounting depth 137mm
- Volume occupied by the driver (estimated) 1L
- Net weight 2.438kg
- Frame material Die Cast Aluminum
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Export this driver to a simulation software:
Closed Box Simulator·
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