Wavecor SW215WA01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.6dB
• Frequency response 30 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 30Hz
• Mechanical quality factor QMS 10.00
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.44

Large signal parameters

• Maximum linear excursion xmax 10mm
• Air volume displaced at xmax VD 206cm³
• Power handling P 150W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 1.2mH
• VC Diameter 39mm
• Winding height HVC 25mm

Magnet

• Force factor Bl 8.45N/A
• Motor constant Bl/√RE 4.65N/√W
• Air gap height HAG 5mm

Diaphragm

• Effective diameter 162mm
• Effective area SD 206cm²
• Moving mass MMS 53g
• Moving mass (without air load) MMD 50.7g

Suspensions

• Stiffness KMS 1.85N/mm
• Compliance CMS 540µm/N
• Equivalent volume to the compliance VAS 32.5L
• Mechanical resistance RMS 1N·s/m

Dimensions

• Nominal diameter 8.5″
• 216mm
• Volume occupied by the driver (estimated) 1L
• Net weight 2.4kg