Dayton Audio CE28N-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 76dB
• Frequency response 400 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 456Hz
• Mechanical quality factor QMS 2.73
• Electrical quality factor QES 1.24
• Total quality factor QTS 0.85

Large signal parameters

• Maximum linear excursion xmax 0.4mm
• Air volume displaced at xmax VD 0.1cm³
• Power handling P 2W
• Program power Pmax 4W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.8Ω
• Inductance (1kHz) LE 0.06mH
• VC Diameter 16mm

Magnet

• Force factor Bl 1.56N/A
• Motor constant Bl/√RE 0.8N/√W

Diaphragm

• Effective diameter 20mm
• Effective area SD 3.1cm²
• Moving mass MMS 0.42g
• Moving mass (without air load) MMD 0.4g

Suspensions

• Stiffness KMS 2.28N/mm
• Compliance CMS 438µm/N
• Equivalent volume to the compliance VAS 0.006L
• Mechanical resistance RMS 0.44N·s/m

Dimensions

• Nominal diameter 1″
• 28mm
• Overall diameter 28mm
• Baffle cutout diameter 22mm
• Overall depth 10mm