Oberton 10M150

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB
• Frequency response 75 - 6000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 74Hz
• Mechanical quality factor QMS 8.89
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 3.3mm
• Air volume displaced at xmax VD 103cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.88mH
• VC Diameter 51mm
• Winding height HVC 10mm
• Winding material Aluminium
• Former material Kapton

Magnet

• Flux density B 1.35T
• Force factor Bl 11.6N/A
• Motor constant Bl/√RE 5.12N/√W
• Air gap height HAG 7mm
• Material Ferrite

Diaphragm

• Effective diameter 201mm
• Effective area SD 317cm²
• Moving mass MMS 25.5g
• Moving mass (without air load) MMD 21.2g
• Material Paper

Suspensions

• Stiffness KMS 5.56N/mm
• Compliance CMS 180µm/N
• Equivalent volume to the compliance VAS 25.9L
• Mechanical resistance RMS 1.34N·s/m

Dimensions

• Nominal diameter 10″
• 262mm
• Overall diameter 263mm
• Baffle cutout diameter 225mm
• Overall depth 113mm
• Volume occupied by the driver (estimated) 1.4L
• Net weight 3.45kg
• Frame material Die cast aluminium