Wavecor WF090WA02

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.1dB
• Frequency response 110 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 110Hz
• Mechanical quality factor QMS 6.00
• Electrical quality factor QES 1.04
• Total quality factor QTS 0.89

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 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.22mH
• VC Diameter 22mm
• Winding height HVC 8.5mm

Magnet

• Force factor Bl 3.5N/A
• Motor constant Bl/√RE 1.49N/√W
• Air gap height HAG 3mm
• Weight 0.135kg

Diaphragm

• Effective diameter 68mm
• Effective area SD 36cm²
• Moving mass MMS 3.35g
• Moving mass (without air load) MMD 3.2g

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