Oberton 10NCX1

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
• Frequency response 60 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 68Hz
• Mechanical quality factor QMS 9.96
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 4.8mm
• Air volume displaced at xmax VD 151cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.836mH
• VC Diameter 51mm
• Winding height HVC 14mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 0.9T
• Force factor Bl 12N/A
• Motor constant Bl/√RE 5.18N/√W
• Air gap height HAG 9mm
• Material Neodymium

Diaphragm

• Effective diameter 201mm
• Effective area SD 317cm²
• Moving mass MMS 26.9g
• Moving mass (without air load) MMD 22.6g
• Material Paper

Suspensions

• Stiffness KMS 4.9N/mm
• Compliance CMS 204µm/N
• Equivalent volume to the compliance VAS 12L
• Mechanical resistance RMS 1.15N·s/m

Dimensions

• Nominal diameter 10″
• 262mm
• Overall diameter 263mm
• Baffle cutout diameter 225mm
• Overall depth 138mm
• Volume occupied by the driver (estimated) 1.4L
• Net weight 2.7kg
• Frame material Die Cast Aluminium