accuton C173-6-090

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 72Hz
• Mechanical quality factor QMS 3.35
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.26

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 70cm³
• Power handling P 120W
• Program power Pmax 240W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 0.32mH
• VC Diameter 55mm
• Winding material Copper
• Former material Titanium

Magnet

• Force factor Bl 11.8N/A
• Motor constant Bl/√RE 4.67N/√W
• Diameter 120mm
• Height 50mm

Diaphragm

• Effective diameter 130mm
• Effective area SD 133cm²
• Moving mass MMS 15g
• Moving mass (without air load) MMD 13.8g
• Material Ceramic

Suspensions

• Stiffness KMS 2.5N/mm
• Compliance CMS 400µm/N
• Equivalent volume to the compliance VAS 15.5L
• Mechanical resistance RMS 1.86N·s/m

Dimensions

• Nominal diameter 7″
• 173mm
• Overall diameter 173mm
• Baffle cutout diameter 146mm
• Overall depth 102mm
• Flange thickness 6mm
• Mounting depth 96mm
• Volume occupied by the driver (estimated) 0.7L