Dayton Audio CE67PR-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.4dB
• Frequency response 218 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 218Hz
• Mechanical quality factor QMS 5.52
• Electrical quality factor QES 1.11
• Total quality factor QTS 0.92

Large signal parameters

• Maximum linear excursion xmax 2.2mm
• Air volume displaced at xmax VD 3.7cm³
• Power handling P 15W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 4.5Ω
• Inductance (1kHz) LE 0.14mH
• VC Diameter 20mm

Magnet

• Force factor Bl 3.22N/A
• Motor constant Bl/√RE 1.51N/√W

Diaphragm

• Effective diameter 46mm
• Effective area SD 16.6cm²
• Moving mass MMS 1.8g
• Moving mass (without air load) MMD 1.7g

Suspensions

• Stiffness KMS 3.45N/mm
• Compliance CMS 290µm/N
• Equivalent volume to the compliance VAS 0.11L
• Mechanical resistance RMS 0.45N·s/m

Dimensions

• Nominal diameter 2″
• 67mm
• Overall diameter 67mm
• Baffle cutout diameter 53mm
• Overall depth 37mm