Oberton 10NCX

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
• Frequency response 75 - 15000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 79.3Hz
• Mechanical quality factor QMS 10.01
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 167cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.56mH
• VC Diameter 77mm
• Winding height HVC 15mm
• Winding material Copper Clad Aluminium
• Former material Glass fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 16.2N/A
• Motor constant Bl/√RE 6.85N/√W
• Air gap height HAG 9mm
• Material Neodymium

Diaphragm

• Effective diameter 201mm
• Effective area SD 317cm²
• Moving mass MMS 28g
• Moving mass (without air load) MMD 23.7g
• Material Paper

Suspensions

• Stiffness KMS 6.94N/mm
• Compliance CMS 144µm/N
• Equivalent volume to the compliance VAS 20.6L
• Mechanical resistance RMS 1.4N·s/m

Dimensions

• Nominal diameter 10″
• 263mm
• Overall diameter 263mm
• Baffle cutout diameter 225mm
• Overall depth 164mm
• Volume occupied by the driver (estimated) 2.4L
• Net weight 5.16kg
• Frame material Die Cast Aluminium