Dayton Audio Classic DC300-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.8dB
• Frequency response 25 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 22.9Hz
• Mechanical quality factor QMS 3.21
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Air volume displaced at xmax VD 215cm³
• Power handling P 80W
• Program power Pmax 160W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.8Ω
• Inductance (1kHz) LE 2.93mH
• VC Diameter 51mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 16.3N/A
• Motor constant Bl/√RE 6.25N/√W
• Weight 0.85kg
• Material Ferrite

Diaphragm

• Effective diameter 252mm
• Effective area SD 499cm²
• Moving mass MMS 101g
• Moving mass (without air load) MMD 92.7g
• Material Treated Paper

Suspensions

• Stiffness KMS 2.08N/mm
• Compliance CMS 480µm/N
• Equivalent volume to the compliance VAS 182L
• Mechanical resistance RMS 4.51N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 12″
• 307mm
• Overall diameter 307mm
• Baffle cutout diameter 280mm
• Overall depth 132mm
• Volume occupied by the driver (estimated) 2.1L
• Frame material Steel