Oberton 15PD600

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.5dB
• Frequency response 38 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 38.2Hz
• Mechanical quality factor QMS 13.41
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.23

Large signal parameters

• Maximum linear excursion xmax 8.5mm
• Air volume displaced at xmax VD 705cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 1.17mH
• VC Diameter 100mm
• Winding height HVC 22mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Flux density B 1.38T
• Force factor Bl 28.7N/A
• Motor constant Bl/√RE 11.4N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 325mm
• Effective area SD 830cm²
• Moving mass MMS 125g
• Moving mass (without air load) MMD 108g
• Material Paper with glasfiber

Suspensions

• Stiffness KMS 7.19N/mm
• Compliance CMS 139µm/N
• Equivalent volume to the compliance VAS 133L
• Mechanical resistance RMS 2.24N·s/m

Dimensions

• Nominal diameter 15″
• 385mm
• Overall diameter 388mm
• Baffle cutout diameter 355mm
• Overall depth 181mm
• Volume occupied by the driver (estimated) 5.5L
• Net weight 11.8kg
• Frame material Die cast aluminium