Wavecor WF211PA01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.1dB
• Frequency response 59 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 59Hz
• Mechanical quality factor QMS 5.80
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 43cm³
• Power handling P 170W
• Program power Pmax 350W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.1Ω
• Inductance (1kHz, estimated) LE 0.6mH
• VC Diameter 64mm
• Winding height HVC 10mm
• Former material Black fiber glass

Magnet

• Force factor Bl 10.7N/A
• Motor constant Bl/√RE 6.08N/√W
• Air gap height HAG 6mm
• Diameter 156mm
• Weight 1.85kg

Diaphragm

• Effective diameter 165mm
• Effective area SD 214cm²
• Moving mass MMS 26g
• Moving mass (without air load) MMD 23.7g
• Material Paper

Suspensions

• Stiffness KMS 3.57N/mm
• Compliance CMS 280µm/N
• Equivalent volume to the compliance VAS 18.2L
• Mechanical resistance RMS 1.68N·s/m

Dimensions

• Nominal diameter 8.25″
• 211mm
• Overall diameter 211mm
• Baffle cutout diameter 186mm
• Mounting depth 108mm
• Volume occupied by the driver (estimated) 2.2L
• Net weight 5.0kg
• Frame material Die cast aluminum