Dayton Audio CE4249N-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 78.5dB
• Frequency response 200 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 184Hz
• Mechanical quality factor QMS 6.67
• Electrical quality factor QES 0.53
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 1.6mm
• Air volume displaced at xmax VD 1.1cm³
• Power handling P 5W
• Program power Pmax 10W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 0.13mH
• VC Diameter 16mm

Magnet

• Force factor Bl 2.94N/A
• Motor constant Bl/√RE 1.62N/√W

Diaphragm

• Effective diameter 29mm
• Effective area SD 6.6cm²
• Moving mass MMS 1.2g
• Moving mass (without air load) MMD 1.2g

Suspensions

• Stiffness KMS 1.59N/mm
• Compliance CMS 630µm/N
• Equivalent volume to the compliance VAS 0.039L
• Mechanical resistance RMS 0.21N·s/m

Dimensions

• Nominal diameter 1.5″
• 42 x 49mm
• Overall size 42 x 49mm
• Baffle cutout diameter 23mm
• Overall depth 25mm