Celestion Truvox 0615

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.8dB
• Frequency response 80 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 89.6Hz
• Mechanical quality factor QMS 5.54
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 54cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.369mH
• VC Diameter 38mm
• Winding height HVC 10mm
• Winding material Round copper
• Former material Polyimide

Magnet

• Force factor Bl 8.03N/A
• Motor constant Bl/√RE 3.4N/√W
• Air gap height HAG 6mm
• Weight 0.56kg
• Material Ferrite

Diaphragm

• Effective diameter 140mm
• Effective area SD 155cm²
• Moving mass MMS 10.6g
• Moving mass (without air load) MMD 9.4g
• Material Kevlar loaded paper

Suspensions

• Stiffness KMS 3.36N/mm
• Compliance CMS 298µm/N
• Equivalent volume to the compliance VAS 7.44L
• Mechanical resistance RMS 1.08N·s/m
• Surround material Cloth-sealed

Dimensions

• Nominal diameter 6″
• 152mm
• Volume occupied by the driver (estimated) 0.65L
• Net weight 1.6kg
• Frame material Pressed steel