Celestion PULSE XL 10.20

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.6dB
• Frequency response 40 - 2200Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37.5Hz
• Mechanical quality factor QMS 6.68
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 8.3mm
• Air volume displaced at xmax VD 286cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 1.2mH
• VC Diameter 50mm
• Winding height HVC 20.5mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 10.5N/A
• Motor constant Bl/√RE 4.36N/√W
• Air gap height HAG 8mm
• Height 36mm
• Material Ferrite

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 39.8g
• Moving mass (without air load) MMD 35.2g
• Material Cellulose

Suspensions

• Stiffness KMS 2.21N/mm
• Compliance CMS 453µm/N
• Equivalent volume to the compliance VAS 76.9L
• Mechanical resistance RMS 1.4N·s/m
• Surround material Cloth-sealed

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 256mm
• Overall depth 108mm
• Flange thickness 29mm
• Mounting depth 79mm
• Volume occupied by the driver (estimated) 1.5L
• Net weight 4.0kg