Dayton Audio PA165-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
• Frequency response 80 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 80.8Hz
• Mechanical quality factor QMS 2.19
• Electrical quality factor QES 0.60
• Total quality factor QTS 0.47

Large signal parameters

• Power handling P 75W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.54mH
• VC Diameter 35mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 6.33N/A
• Motor constant Bl/√RE 2.79N/√W
• Material Ferrite

Diaphragm

• Effective diameter 124mm
• Effective area SD 121cm²
• Moving mass MMS 9.2g
• Moving mass (without air load) MMD 8.2g
• Material Paper

Suspensions

• Stiffness KMS 2.38N/mm
• Compliance CMS 420µm/N
• Equivalent volume to the compliance VAS 9.2L
• Mechanical resistance RMS 2.13N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 6″
• 165mm
• Overall diameter 165mm
• Baffle cutout diameter 145mm
• Overall depth 75mm
• Volume occupied by the driver (estimated) 0.43L
• Frame material Steel