Dayton Audio Classic DC160S-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.7dB
• Frequency response 33 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 30.9Hz
• Mechanical quality factor QMS 2.61
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 3.4mm
• Air volume displaced at xmax VD 47cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 0.89mH
• VC Diameter 35mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 7.68N/A
• Motor constant Bl/√RE 4.11N/√W
• Material Ferrite

Diaphragm

• Effective diameter 132mm
• Effective area SD 137cm²
• Moving mass MMS 30g
• Moving mass (without air load) MMD 28.8g
• Material Treated Paper

Suspensions

• Stiffness KMS 1.14N/mm
• Compliance CMS 880µm/N
• Equivalent volume to the compliance VAS 23.2L
• Mechanical resistance RMS 2.23N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 165mm
• Baffle cutout diameter 145mm
• Overall depth 95mm
• Volume occupied by the driver (estimated) 0.6L
• Frame material Steel