Wavecor FR090WA02

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84dB
• Frequency response 114 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 114Hz
• Mechanical quality factor QMS 5.80
• Electrical quality factor QES 1.23
• Total quality factor QTS 1.01

Large signal parameters

• Maximum linear excursion xmax 2.3mm
• Air volume displaced at xmax VD 8.1cm³
• Power handling P 10W
• Program power Pmax 20W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz) LE 0.127mH
• VC Diameter 22mm
• Winding height HVC 7.5mm

Magnet

• Force factor Bl 3.4N/A
• Motor constant Bl/√RE 1.38N/√W
• Air gap height HAG 3mm
• Weight 0.16kg

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 0.4N·s/m

Dimensions

• Nominal diameter 3.5″
• 89mm
• Volume occupied by the driver (estimated) 0.15L
• Net weight 0.4kg