Oberton 15XL600

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.9dB
• Frequency response 50 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40.9Hz
• Mechanical quality factor QMS 10.90
• Electrical quality factor QES 0.22
• Total quality factor QTS 0.22

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 436cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 1.09mH
• VC Diameter 100mm
• Winding height HVC 16mm
• Winding material Aluminium
• Former material Kapton

Magnet

• Flux density B 1.25T
• Force factor Bl 24.7N/A
• Motor constant Bl/√RE 10.6N/√W
• Air gap height HAG 11mm
• Material Ferrite

Diaphragm

• Effective diameter 325mm
• Effective area SD 830cm²
• Moving mass MMS 96.9g
• Moving mass (without air load) MMD 80g
• Material Kevlar Paper

Suspensions

• Stiffness KMS 6.41N/mm
• Compliance CMS 156µm/N
• Equivalent volume to the compliance VAS 150L
• Mechanical resistance RMS 2.28N·s/m

Dimensions

• Nominal diameter 15″
• 385mm
• Overall diameter 388mm
• Baffle cutout diameter 355mm
• Overall depth 181mm
• Volume occupied by the driver (estimated) 5.2L
• Net weight 10.85kg
• Frame material Die Cast Aluminium