Oberton 10NMB300

Mid-range

Nominal diameter10″ / 262 mm
Resonance62.1 Hz
Q factor0.21
Sensitivity95.4 dB
Linear excursion± 5.3 mm
Program Power800 W
Discontinued
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

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

Thiele & Small parameters

  • Resonance frequency (free air) fS 62.1Hz
  • Mechanical quality factor QMS 10.61
  • Electrical quality factor QES 0.22
  • Total quality factor QTS 0.21

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 5.6Ω
  • Inductance (1kHz) LE 0.66mH
  • VC Diameter 77mm
  • Winding height HVC 15mm
  • Winding material Aluminium
  • Former material Kapton

Magnet

  • Flux density B 1.45T
  • Force factor Bl 20.8N/A
  • Motor constant Bl/√RE 8.77N/√W
  • Air gap height HAG 9mm
  • Material Neodymium

Diaphragm

  • Effective diameter 201mm
  • Effective area SD 317cm²
  • Moving mass MMS 42.7g
  • Moving mass (without air load) MMD 38.4g
  • Material Kevlar Paper

Suspensions

  • Stiffness KMS 6.49N/mm
  • Compliance CMS 154µm/N
  • Equivalent volume to the compliance VAS 22.1L
  • Mechanical resistance RMS 1.57N·s/m

Dimensions

  • Nominal diameter 10
  • 262mm
  • Overall diameter 263mm
  • Baffle cutout diameter 225mm
  • Overall depth 148mm
  • Volume occupied by the driver (estimated) 2.1L
  • Net weight 4.75kg
  • Frame material Die cast aluminium
Oberton 10NMB300 SPL
Oberton 10NMB300 Dimensions

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