Dayton Audio CE32A-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 76.2dB
• Frequency response 240 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 262Hz
• Mechanical quality factor QMS 2.86
• Electrical quality factor QES 1.24
• Total quality factor QTS 0.86

Large signal parameters

• Maximum linear excursion xmax 0.5mm
• Air volume displaced at xmax VD 0.2cm³
• Power handling P 2W
• Program power Pmax 4W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.015mH
• VC Diameter 12.6mm

Magnet

• Force factor Bl 1.59N/A
• Motor constant Bl/√RE 0.84N/√W
• Material Neodymium

Diaphragm

• Effective diameter 22mm
• Effective area SD 3.9cm²
• Moving mass MMS 0.52g
• Moving mass (without air load) MMD 0.5g
• Material Aluminum

Suspensions

• Stiffness KMS 1.45N/mm
• Compliance CMS 688µm/N
• Equivalent volume to the compliance VAS 0.15L
• Mechanical resistance RMS 0.3N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 1.25″
• 32mm
• Overall diameter 32mm
• Baffle cutout diameter 19mm
• Overall depth 16mm