Celestion AN2775

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.3dB
• Frequency response 160 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 123Hz
• Mechanical quality factor QMS 5.41
• Electrical quality factor QES 1.17
• Total quality factor QTS 0.96

Large signal parameters

• Maximum linear excursion xmax 2.3mm
• Air volume displaced at xmax VD 6.4cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.07mH
• VC Diameter 20mm
• Winding height HVC 6mm
• Former material Polyimide

Magnet

• Force factor Bl 3.06N/A
• Motor constant Bl/√RE 1.33N/√W
• Air gap height HAG 3mm
• Material Neodymium

Diaphragm

• Effective diameter 60mm
• Effective area SD 28.3cm²
• Moving mass MMS 2.68g
• Moving mass (without air load) MMD 2.6g
• Material Aluminium

Suspensions

• Stiffness KMS 1.61N/mm
• Compliance CMS 620µm/N
• Equivalent volume to the compliance VAS 3.57L
• Mechanical resistance RMS 0.38N·s/m
• Surround material Elastomer

Dimensions

• Nominal diameter 2.75″
• 70mm
• Overall size 71 x 71mm
• Baffle cutout diameter 66mm
• Overall depth 45mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.1kg
• Frame material Glass reinforced ABS