Wavecor WF182BD10/12

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.2dB
• Frequency response 29 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 29.5Hz
• Mechanical quality factor QMS 8.80
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 72cm³
• Power handling P 80W
• Program power Pmax 160W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 0.17mH
• VC Diameter 39mm
• Winding height HVC 16mm

Magnet

• Force factor Bl 8.2N/A
• Motor constant Bl/√RE 3.24N/√W
• Air gap height HAG 5mm
• Weight 0.725kg

Diaphragm

• Effective diameter 129mm
• Effective area SD 131cm²
• Moving mass MMS 21.9g
• Moving mass (without air load) MMD 20.7g

Suspensions

• Stiffness KMS 0.752N/mm
• Compliance CMS 1330µm/N
• Equivalent volume to the compliance VAS 32.4L
• Mechanical resistance RMS 0.46N·s/m

Dimensions

• Nominal diameter 7″
• 178mm
• Volume occupied by the driver (estimated) 0.8L
• Net weight 1.95kg