Goldwood GW-210/4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
• Frequency response 40 - 6200Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 41.8Hz
• Mechanical quality factor QMS 5.54
• Electrical quality factor QES 1.32
• Total quality factor QTS 1.07

Large signal parameters

• Power handling P 110W
• Program power Pmax 220W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.8Ω
• Inductance (1kHz) LE 0.4mH
• VC Diameter 38.1mm
• Winding material Aluminum

Magnet

• Force factor Bl 5.31N/A
• Motor constant Bl/√RE 2.72N/√W
• Weight 0.567kg

Diaphragm

• Effective diameter 210mm
• Effective area SD 345cm²
• Moving mass MMS 37.7g
• Moving mass (without air load) MMD 33.1g
• Material Poly

Suspensions

• Stiffness KMS 2.6N/mm
• Compliance CMS 384µm/N
• Equivalent volume to the compliance VAS 64.2L
• Mechanical resistance RMS 1.79N·s/m
• Surround material Rolled Foam

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 254mm
• Baffle cutout diameter 235mm
• Mounting depth 102mm
• Volume occupied by the driver (estimated) 0.74L
• Net weight 1.814kg
• Frame material Stamped Steel