ATOHM LD230TDR08

4Ω
8Ω
8Ω M

Subwoofer

Nominal diameter10″ / 230 mm
Resonance37.5 Hz
Q factor0.26
Sensitivity87.7 dB
Linear excursion± 13 mm
Program Power300 W
ATOHM LD230TDR08 SubwooferATOHM LD230TDR08 Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 87.7dB
  • Frequency response 38 - 400Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 37.5Hz
  • Mechanical quality factor QMS 3.46
  • Electrical quality factor QES 0.27
  • Total quality factor QTS 0.26

Large signal parameters

  • Maximum linear excursion xmax 13mm
  • Maximum excursion before damage xlim 20mm
  • Air volume displaced at xmax VD 312cm³
  • Power handling P 150W
  • Program power Pmax 300W
  • Peak power Ppeak 700W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.4Ω
  • Inductance (1kHz) LE 1.24mH
  • VC Diameter 50mm
  • Winding height HVC 32mm
  • Former material Aluminum

Magnet

  • Flux density B 1.2T
  • Force factor Bl 19.9N/A
  • Motor constant Bl/√RE 7.87N/√W
  • Air gap height HAG 6mm
  • Diameter 156mm
  • Height 32mm
  • Material Ferrite

Diaphragm

  • Effective diameter 175mm
  • Effective area SD 240cm²
  • Moving mass MMS 71.2g
  • Moving mass (without air load) MMD 68.4g

Suspensions

  • Stiffness KMS 3.85N/mm
  • Compliance CMS 260µm/N
  • Equivalent volume to the compliance VAS 21L
  • Mechanical resistance RMS 4.85N·s/m

Dimensions

  • Nominal diameter 10″
  • 230mm
  • Overall diameter 230mm
  • Baffle cutout diameter 194mm
  • Overall depth 122mm
  • Flange thickness 9mm
  • Mounting depth 113mm
  • Volume occupied by the driver (estimated) 1.9L
  • Net weight 5.6kg
SPL & Impedance
ATOHM LD230TDR08 SPL & Impedance
ATOHM LD230TDR08 Dimensions
PDF fileDatasheet

Export this driver to a simulation software:

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