Dayton Audio DA175-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.3dB
• Frequency response 35 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39Hz
• Mechanical quality factor QMS 3.31
• Electrical quality factor QES 0.70
• Total quality factor QTS 0.58

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Air volume displaced at xmax VD 56cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.9Ω
• Inductance (1kHz) LE 1.14mH
• VC Diameter 35mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 7.17N/A
• Motor constant Bl/√RE 2.95N/√W
• Material Ferrite

Diaphragm

• Effective diameter 130mm
• Effective area SD 133cm²
• Moving mass MMS 25.2g
• Moving mass (without air load) MMD 24g
• Material Aluminum

Suspensions

• Stiffness KMS 1.52N/mm
• Compliance CMS 660µm/N
• Equivalent volume to the compliance VAS 16.3L
• Mechanical resistance RMS 1.86N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 7″
• 176mm
• Overall diameter 176mm
• Baffle cutout diameter 144mm
• Overall depth 81mm
• Volume occupied by the driver (estimated) 0.53L
• Frame material Steel