Celestion AN2075

• Sensitivity (1W, 1m, infinite baffle) SPL1W 79.7dB
• Frequency response 160 - 19000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 153Hz
• Mechanical quality factor QMS 5.28
• Electrical quality factor QES 1.00
• Total quality factor QTS 0.84

Large signal parameters

• Maximum linear excursion xmax 2.3mm
• Air volume displaced at xmax VD 2.8cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.04mH
• VC Diameter 20mm
• Winding height HVC 6mm
• Former material Polyimide

Magnet

• Force factor Bl 2.71N/A
• Motor constant Bl/√RE 1.17N/√W
• Air gap height HAG 3mm
• Material Neodymium

Diaphragm

• Effective diameter 40mm
• Effective area SD 12.6cm²
• Moving mass MMS 1.49g
• Moving mass (without air load) MMD 1.5g
• Material Aluminium

Suspensions

• Stiffness KMS 1.39N/mm
• Compliance CMS 720µm/N
• Equivalent volume to the compliance VAS 1.51L
• Mechanical resistance RMS 0.27N·s/m
• Surround material Elastomer

Dimensions

• Nominal diameter 2″
• 50mm
• Overall size 56 x 56mm
• Baffle cutout diameter 51mm
• Overall depth 44mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.97kg
• Frame material Glass reinforced ABS