Dayton Audio CE65W-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.3dB
• Frequency response 105 - 16000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 105Hz
• Mechanical quality factor QMS 3.85
• Electrical quality factor QES 1.34
• Total quality factor QTS 0.99

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 4.2cm³
• Power handling P 8W
• Program power Pmax 15W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.9Ω
• Inductance (1kHz) LE 0.51mH
• VC Diameter 20.3mm

Magnet

• Force factor Bl 2.73N/A
• Motor constant Bl/√RE 1.04N/√W
• Material Ferrite

Diaphragm

• Effective diameter 52mm
• Effective area SD 21.2cm²
• Moving mass MMS 1.9g
• Moving mass (without air load) MMD 1.8g
• Material Fiberglass

Suspensions

• Stiffness KMS 1.1N/mm
• Compliance CMS 910µm/N
• Equivalent volume to the compliance VAS 0.578L
• Mechanical resistance RMS 0.33N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 2.5″
• 83mm
• Overall diameter 83mm
• Baffle cutout diameter 59mm
• Overall depth 45mm
• Volume occupied by the driver (estimated) 0.13L