Goldwood GW-212/8
4Ω
8Ω
Woofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 38.8 Hz |
| Q factor | 1.44 |
| Sensitivity | 89.9 dB |
| Linear excursion | ± 2.5 mm |
| Program Power | 240 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.9dB
- Frequency response 28 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38.8Hz
- Mechanical quality factor QMS 5.27
- Electrical quality factor QES 1.98
- Total quality factor QTS 1.44
Large signal parameters
- Maximum linear excursion (one way) xmax 2.5mm
- Air volume displaced at xmax VD 132cm³
- Power handling P 120W
- Program power Pmax 240W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.0Ω
- Inductance (1kHz) LE 0.6mH
- VC Diameter 38.1mm
- Winding material Aluminum
Magnet
- Force factor Bl 7.47N/A
- Motor constant Bl/√RE 2.82N/√W
- Weight 0.567kg
Diaphragm
- Effective diameter 259mm
- Effective area SD 526cm²
- Moving mass MMS 64.4g
- Moving mass (without air load) MMD 56g
- Material Poly
Suspensions
- Stiffness KMS 3.83N/mm
- Compliance CMS 261µm/N
- Equivalent volume to the compliance VAS 102L
- Mechanical resistance RMS 2.98N·s/m
- Surround material Rolled Foam
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 305mm
- Baffle cutout diameter 286mm
- Mounting depth 121mm
- Volume occupied by the driver (estimated) 0.89L
- Net weight 2.155kg
- Frame material Stamped Steel
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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