accuton C90-6-724

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 82.6Hz
• Mechanical quality factor QMS 5.13
• Electrical quality factor QES 0.67
• Total quality factor QTS 0.60

Large signal parameters

• Maximum linear excursion xmax 3mm
• Air volume displaced at xmax VD 24cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.13mH
• Winding material Copper
• Former material Titanium

Magnet

• Force factor Bl 5.95N/A
• Motor constant Bl/√RE 2.55N/√W

Diaphragm

• Effective diameter 102mm
• Effective area SD 81cm²
• Moving mass MMS 8.45g
• Moving mass (without air load) MMD 7.9g
• Material Ceramic

Suspensions

• Stiffness KMS 2.27N/mm
• Compliance CMS 440µm/N
• Equivalent volume to the compliance VAS 5.1L
• Mechanical resistance RMS 0.85N·s/m

Dimensions

• Nominal diameter 5″
• 124mm
• Overall diameter 124mm
• Baffle cutout diameter 124mm
• Overall depth 56mm
• Flange thickness 8mm
• Mounting depth 48mm
• Volume occupied by the driver (estimated) 0.2L