Wavecor FR070WA05

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.4dB
• Frequency response 89 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 89Hz
• Mechanical quality factor QMS 12.60
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 2.7mm
• Air volume displaced at xmax VD 5.9cm³
• Power handling P 7W
• Program power Pmax 15W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.1mH
• VC Diameter 26mm
• Winding height HVC 9.4mm

Magnet

• Force factor Bl 3.76N/A
• Motor constant Bl/√RE 2.04N/√W
• Air gap height HAG 4mm
• Diameter 38mm

Diaphragm

• Effective diameter 53mm
• Effective area SD 22cm²
• Moving mass MMS 3.6g
• Moving mass (without air load) MMD 3.5g
• Material Black anodized aluminum

Suspensions

• Stiffness KMS 1.14N/mm
• Compliance CMS 880µm/N
• Equivalent volume to the compliance VAS 0.6L
• Mechanical resistance RMS 0.16N·s/m

Dimensions

• Nominal diameter 2.75″
• 70mm
• Overall diameter 70mm
• Baffle cutout diameter 63mm
• Mounting depth 36mm
• Frame material Polymer