ATOHM LD230CR08M

Woofer

Nominal diameter10″ / 230 mm
Resonance22.8 Hz
Q factor0.33
Sensitivity81.5 dB
Linear excursion± 10 mm
Program Power600 W
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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 81.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 22.8Hz
  • Mechanical quality factor QMS 9.60
  • Electrical quality factor QES 0.35
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion xmax 10mm
  • Maximum excursion before damage xlim 18mm
  • Air volume displaced at xmax VD 255cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.1Ω
  • Inductance (1kHz) LE 2.6mH
  • VC Diameter 50mm
  • Winding height HVC 29mm

Magnet

  • Flux density B 1T
  • Force factor Bl 18.9N/A
  • Motor constant Bl/√RE 7.65N/√W
  • Air gap height HAG 8mm

Diaphragm

  • Effective diameter 180mm
  • Effective area SD 255cm²
  • Moving mass MMS 155g
  • Moving mass (without air load) MMD 152g

Suspensions

  • Stiffness KMS 3.13N/mm
  • Compliance CMS 320µm/N
  • Equivalent volume to the compliance VAS 28.8L
  • Mechanical resistance RMS 2.31N·s/m

Dimensions

  • Nominal diameter 10
  • 230mm
  • Volume occupied by the driver (estimated) 1.2L
ATOHM LD230CR08M SPL
ATOHM LD230CR08M Dimensions

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