accuton CL173-6-391

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.9dB
• Frequency response 40 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 51Hz
• Mechanical quality factor QMS 3.92
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 85cm³
• Power handling P 120W
• Program power Pmax 240W

Voice Coil

• Nominal impedance Z 11Ω
• DC resistance RE 9.9Ω
• Inductance (1kHz) LE 0.65mH
• VC Diameter 38mm
• Winding material Copper
• Former material Titanium

Magnet

• Force factor Bl 10.9N/A
• Motor constant Bl/√RE 3.47N/√W
• Diameter 120mm
• Height 42mm

Diaphragm

• Effective diameter 134mm
• Effective area SD 141cm²
• Moving mass MMS 16.1g
• Moving mass (without air load) MMD 14.8g
• Material Crystalid

Suspensions

• Stiffness KMS 1.67N/mm
• Compliance CMS 600µm/N
• Equivalent volume to the compliance VAS 17L
• Mechanical resistance RMS 1.32N·s/m

Dimensions

• Nominal diameter 7″
• 173mm
• Baffle cutout diameter 146mm
• Overall depth 101mm
• Flange thickness 6mm
• Mounting depth 95mm
• Volume occupied by the driver (estimated) 1L