Wavecor WF182BD13/15

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.1dB
• Frequency response 36 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 36Hz
• Mechanical quality factor QMS 10.50
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 64cm³
• Power handling P 80W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz, estimated) LE 0.24mH
• VC Diameter 32mm
• Winding height HVC 16mm
• Former material Black fiber glass

Magnet

• Force factor Bl 6.9N/A
• Motor constant Bl/√RE 3.8N/√W
• Air gap height HAG 5mm
• Diameter 120mm
• Weight 0.88kg

Diaphragm

• Effective diameter 122mm
• Effective area SD 117cm²
• Moving mass MMS 16g
• Moving mass (without air load) MMD 15g
• Material Kevlar/Carbon fiber

Suspensions

• Stiffness KMS 0.847N/mm
• Compliance CMS 1180µm/N
• Equivalent volume to the compliance VAS 23L
• Mechanical resistance RMS 0.35N·s/m

Dimensions

• Nominal diameter 7″
• 182mm
• Overall diameter 182mm
• Baffle cutout diameter 153mm
• Mounting depth 84mm
• Volume occupied by the driver (estimated) 1L
• Net weight 2.4kg
• Frame material Die cast aluminum