Wavecor FR055WA04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.2dB
• Frequency response 131 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 131Hz
• Mechanical quality factor QMS 7.90
• Electrical quality factor QES 0.70
• Total quality factor QTS 0.66

Large signal parameters

• Maximum linear excursion xmax 1.4mm
• Air volume displaced at xmax VD 2.1cm³
• Power handling P 4W
• Program power Pmax 20W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.01mH
• VC Diameter 22mm
• Winding height HVC 4.7mm

Magnet

• Force factor Bl 3.3N/A
• Motor constant Bl/√RE 1.33N/√W
• Air gap height HAG 2mm
• Diameter 29mm
• Weight 0.027kg

Diaphragm

• Effective diameter 45mm
• Effective area SD 15.6cm²
• Moving mass MMS 1.54g
• Moving mass (without air load) MMD 1.5g
• Material Black anodized aluminum

Suspensions

• Stiffness KMS 1.04N/mm
• Compliance CMS 960µm/N
• Equivalent volume to the compliance VAS 0.33L
• Mechanical resistance RMS 0.16N·s/m

Dimensions

• Nominal diameter 2″
• 55mm
• Overall diameter 55mm
• Baffle cutout diameter 51mm
• Mounting depth 30mm
• Net weight 0.083kg
• Frame material Polymer