Celestion AF4010

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.2dB
• Frequency response 100 - 16000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 105Hz
• Mechanical quality factor QMS 5.31
• Electrical quality factor QES 0.95
• Total quality factor QTS 0.81

Large signal parameters

• Maximum linear excursion xmax 2.8mm
• Air volume displaced at xmax VD 16cm³
• Power handling P 35W
• Program power Pmax 70W

Voice Coil

• Nominal impedance Z 16Ω
• DC resistance RE 10.4Ω
• Inductance (1kHz) LE 0.37mH
• VC Diameter 25mm
• Winding height HVC 8mm
• Winding material Round copper
• Former material Polyimide

Magnet

• Force factor Bl 5.96N/A
• Motor constant Bl/√RE 1.85N/√W
• Air gap height HAG 5mm
• Weight 0.228kg
• Material Ferrite

Diaphragm

• Effective diameter 85mm
• Effective area SD 56.8cm²
• Moving mass MMS 4.95g
• Moving mass (without air load) MMD 4.6g
• Material Waterproof coated paper

Suspensions

• Stiffness KMS 2.13N/mm
• Compliance CMS 470µm/N
• Equivalent volume to the compliance VAS 2.13L
• Mechanical resistance RMS 0.61N·s/m
• Surround material Elastomer

Dimensions

• Nominal diameter 4″
• 100mm
• Overall diameter 101mm
• Baffle cutout diameter 92mm
• Overall depth 62mm
• Volume occupied by the driver (estimated) 0.17L
• Net weight 0.62kg
• Frame material Pressed steel