Dayton Audio PA460-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.2dB
• Frequency response 26 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 28.3Hz
• Mechanical quality factor QMS 11.20
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 745cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 3.9mH
• VC Diameter 76mm
• Winding material Copper
• Former material Kapton® / Polyimide

Magnet

• Force factor Bl 22.3N/A
• Motor constant Bl/√RE 9.42N/√W
• Weight 2.268kg
• Material Ferrite

Diaphragm

• Effective diameter 398mm
• Effective area SD 1241cm²
• Moving mass MMS 171g
• Moving mass (without air load) MMD 141g
• Material Paper / Carbon Fiber

Suspensions

• Stiffness KMS 5.26N/mm
• Compliance CMS 190µm/N
• Equivalent volume to the compliance VAS 402L
• Mechanical resistance RMS 2.71N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 425mm
• Overall depth 198mm
• Volume occupied by the driver (estimated) 6.3L
• Frame material Steel