Wavecor WF090WA01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.3dB
• Frequency response 109 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 109Hz
• Mechanical quality factor QMS 6.10
• Electrical quality factor QES 0.87
• Total quality factor QTS 0.76

Large signal parameters

• Maximum linear excursion xmax 2.8mm
• Air volume displaced at xmax VD 9.9cm³
• Power handling P 8W
• Program power Pmax 15W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.1Ω
• Inductance (1kHz) LE 0.14mH
• VC Diameter 22mm
• Winding height HVC 8.5mm

Magnet

• Force factor Bl 2.9N/A
• Motor constant Bl/√RE 1.65N/√W
• Air gap height HAG 3mm
• Weight 0.135kg

Diaphragm

• Effective diameter 68mm
• Effective area SD 36cm²
• Moving mass MMS 3.45g
• Moving mass (without air load) MMD 3.3g

Suspensions

• Stiffness KMS 1.61N/mm
• Compliance CMS 620µm/N
• Equivalent volume to the compliance VAS 1.14L
• Mechanical resistance RMS 0.39N·s/m

Dimensions

• Nominal diameter 3.5″
• 89mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.34kg