Dayton Audio LW150-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83dB
• Frequency response 60 - 1800Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 62.6Hz
• Mechanical quality factor QMS 6.01
• Electrical quality factor QES 0.72
• Total quality factor QTS 0.64

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 37cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.86mH
• VC Diameter 31.8mm

Magnet

• Force factor Bl 6.52N/A
• Motor constant Bl/√RE 3.44N/√W

Diaphragm

• Effective diameter 108mm
• Effective area SD 91.6cm²
• Moving mass MMS 21.9g
• Moving mass (without air load) MMD 21.2g

Suspensions

• Stiffness KMS 3.33N/mm
• Compliance CMS 300µm/N
• Equivalent volume to the compliance VAS 3.49L
• Mechanical resistance RMS 1.43N·s/m

Dimensions

• Nominal diameter 6″
• 152mm
• Overall diameter 152mm
• Baffle cutout diameter 127mm
• Overall depth 35mm
• Volume occupied by the driver (estimated) 0.14L