Wavecor FR040WA01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.9dB
• Frequency response 233 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 233Hz
• Mechanical quality factor QMS 9.60
• Electrical quality factor QES 0.99
• Total quality factor QTS 0.90

Large signal parameters

• Maximum linear excursion xmax 0.5mm
• Air volume displaced at xmax VD 0.4cm³
• Power handling P 3W
• Program power Pmax 15W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.053mH
• VC Diameter 16mm
• Winding height HVC 3mm

Magnet

• Force factor Bl 1.67N/A
• Motor constant Bl/√RE 0.96N/√W
• Air gap height HAG 2mm

Diaphragm

• Effective diameter 32mm
• Effective area SD 7.8cm²
• Moving mass MMS 0.63g
• Moving mass (without air load) MMD 0.6g

Suspensions

• Stiffness KMS 1.35N/mm
• Compliance CMS 740µm/N
• Equivalent volume to the compliance VAS 0.064L
• Mechanical resistance RMS 0.096N·s/m

Dimensions

• Nominal diameter 1.5″
• 38mm
• Net weight 0.037kg