Goldwood GW-205/8S
4Ω
8Ω
Woofer
Nominal diameter | 5.25″ / 152 mm |
Resonance | 86.1 Hz |
Q factor | 0.82 |
Sensitivity | 86.7 dB |
Linear excursion | ± 2 mm |
Program Power | 130 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB
- Frequency response 62 - 1200Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 86.1Hz
- Mechanical quality factor QMS 3.18
- Electrical quality factor QES 1.10
- Total quality factor QTS 0.82
Large signal parameters
- Maximum linear excursion xmax 2mm
- Air volume displaced at xmax VD 19cm³
- Power handling P 70W
- Program power Pmax 130W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.1Ω
- Inductance (1kHz) LE 0.4mH
- VC Diameter 25.4mm
- Winding material Aluminum
Magnet
- Force factor Bl 5.62N/A
- Motor constant Bl/√RE 2.11N/√W
- Weight 0.454kg
Diaphragm
- Effective diameter 111mm
- Effective area SD 96.8cm²
- Moving mass MMS 9g
- Moving mass (without air load) MMD 8.3g
- Material Poly
Suspensions
- Stiffness KMS 2.63N/mm
- Compliance CMS 381µm/N
- Equivalent volume to the compliance VAS 5L
- Mechanical resistance RMS 1.53N·s/m
- Surround material Rolled Foam
Dimensions
- Nominal diameter 5.25″
- 152mm
- Overall diameter 152mm
- Baffle cutout diameter 127mm
- Mounting depth 76mm
- Volume occupied by the driver (estimated) 0.55L
- Net weight 1.361kg
- Frame material Stamped Steel
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