Wavecor WF182BD04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB
• Frequency response 33 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33.4Hz
• Mechanical quality factor QMS 8.10
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.29

Large signal parameters

• Power handling P 80W
• Program power Pmax 160W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 0.14mH
• VC Diameter 39mm
• Winding height HVC 16mm

Magnet

• Force factor Bl 8.5N/A
• Motor constant Bl/√RE 3.39N/√W
• Air gap height HAG 5mm
• Weight 0.885kg

Diaphragm

• Effective diameter 129mm
• Effective area SD 131cm²
• Moving mass MMS 16.1g
• Moving mass (without air load) MMD 14.9g

Suspensions

• Stiffness KMS 0.752N/mm
• Compliance CMS 1330µm/N
• Equivalent volume to the compliance VAS 32.4L
• Mechanical resistance RMS 0.43N·s/m

Dimensions

• Nominal diameter 7″
• 178mm
• Volume occupied by the driver (estimated) 0.95L
• Net weight 2.3kg