Wavecor WF152BD04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB
• Frequency response 51 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 51Hz
• Mechanical quality factor QMS 7.30
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.38

Large signal parameters

• Power handling P 70W
• Program power Pmax 140W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 0.15mH
• VC Diameter 32mm
• Winding height HVC 14mm

Magnet

• Force factor Bl 7.3N/A
• Motor constant Bl/√RE 2.91N/√W
• Air gap height HAG 5mm
• Weight 0.63kg

Diaphragm

• Effective diameter 109mm
• Effective area SD 93cm²
• Moving mass MMS 10.5g
• Moving mass (without air load) MMD 9.8g

Suspensions

• Stiffness KMS 1.08N/mm
• Compliance CMS 930µm/N
• Equivalent volume to the compliance VAS 11.4L
• Mechanical resistance RMS 0.46N·s/m

Dimensions

• Nominal diameter 6″
• 152mm
• Volume occupied by the driver (estimated) 0.59L
• Net weight 1.46kg