Goldwood GW-10PC/4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.4dB
• Frequency response 25 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 43.1Hz
• Mechanical quality factor QMS 4.25
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 173cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.8Ω
• Inductance (1kHz) LE 1.4mH
• VC Diameter 38.1mm
• Winding material Aluminum

Magnet

• Force factor Bl 12.7N/A
• Motor constant Bl/√RE 6.52N/√W
• Weight 1.134kg

Diaphragm

• Effective diameter 210mm
• Effective area SD 345cm²
• Moving mass MMS 69.7g
• Moving mass (without air load) MMD 65g
• Material Poly-Mica

Suspensions

• Stiffness KMS 5.11N/mm
• Compliance CMS 196µm/N
• Equivalent volume to the compliance VAS 32.7L
• Mechanical resistance RMS 4.44N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 10″
• 260mm
• Overall diameter 260mm
• Baffle cutout diameter 232mm
• Mounting depth 111mm
• Volume occupied by the driver (estimated) 0.82L
• Net weight 1.984kg
• Frame material Die Cast Aluminum