Oberton 10MB300

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 80 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 64.7Hz
• Mechanical quality factor QMS 9.66
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.24

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 167cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.72mH
• VC Diameter 77mm
• Winding height HVC 15mm
• Winding material Aluminium
• Former material Kapton

Magnet

• Flux density B 1.33T
• Force factor Bl 18.3N/A
• Motor constant Bl/√RE 7.86N/√W
• Air gap height HAG 9mm
• Material Ferrite

Diaphragm

• Effective diameter 201mm
• Effective area SD 317cm²
• Moving mass MMS 38.1g
• Moving mass (without air load) MMD 33.8g
• Material Kevlar Paper

Suspensions

• Stiffness KMS 6.29N/mm
• Compliance CMS 159µm/N
• Equivalent volume to the compliance VAS 22.8L
• Mechanical resistance RMS 1.6N·s/m

Dimensions

• Nominal diameter 10″
• 262mm
• Overall diameter 263mm
• Baffle cutout diameter 225mm
• Overall depth 120mm
• Volume occupied by the driver (estimated) 2.3L
• Net weight 6.8kg
• Frame material Die cast aluminium