Dayton Audio Classic DC130AS-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.4dB
• Frequency response 55 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 57.2Hz
• Mechanical quality factor QMS 2.01
• Electrical quality factor QES 0.58
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 23cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.84mH
• VC Diameter 25mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 5.83N/A
• Motor constant Bl/√RE 2.46N/√W
• Weight 0.283kg
• Material Ferrite

Diaphragm

• Effective diameter 108mm
• Effective area SD 91.6cm²
• Moving mass MMS 9.7g
• Moving mass (without air load) MMD 9.1g
• Material Treated Paper

Suspensions

• Stiffness KMS 1.25N/mm
• Compliance CMS 800µm/N
• Equivalent volume to the compliance VAS 9.73L
• Mechanical resistance RMS 1.73N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 5.25″
• 134mm
• Overall diameter 134mm
• Baffle cutout diameter 120mm
• Overall depth 78mm
• Volume occupied by the driver (estimated) 0.35L
• Frame material Steel