Dayton Audio Classic DC160-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.3dB
• Frequency response 30 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39Hz
• Mechanical quality factor QMS 3.31
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 3.4mm
• Air volume displaced at xmax VD 47cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz, estimated) LE 0.71mH
• VC Diameter 35.5mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 7.02N/A
• Motor constant Bl/√RE 3.81N/√W
• Weight 0.425kg
• Material Ferrite

Diaphragm

• Effective diameter 132mm
• Effective area SD 137cm²
• Moving mass MMS 29.2g
• Moving mass (without air load) MMD 28g
• Material Coated Paper

Suspensions

• Stiffness KMS 1.75N/mm
• Compliance CMS 570µm/N
• Equivalent volume to the compliance VAS 15L
• Mechanical resistance RMS 2.16N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 165mm
• Baffle cutout diameter 145mm
• Overall depth 82mm
• Volume occupied by the driver (estimated) 0.49L
• Frame material Steel