Wavecor SW223BD02

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.4dB
• Frequency response 24 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 24Hz
• Mechanical quality factor QMS 10.70
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 11.7mm
• Air volume displaced at xmax VD 241cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 51mm
• Winding height HVC 29.4mm

Magnet

• Force factor Bl 11N/A
• Motor constant Bl/√RE 5.88N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 162mm
• Effective area SD 206cm²
• Moving mass MMS 97g
• Moving mass (without air load) MMD 94.6g

Suspensions

• Stiffness KMS 2.13N/mm
• Compliance CMS 470µm/N
• Equivalent volume to the compliance VAS 28L
• Mechanical resistance RMS 1.35N·s/m

Dimensions

• Nominal diameter 9″
• 229mm
• Volume occupied by the driver (estimated) 1.9L
• Net weight 4.4kg