ATOHM LD180CR04 Speaker Driver Midbass 150W 4 Ohm 93dB Ø18cm

ATOHM LD180CR04 Woofer 300W / 4 Ohm

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290,83 €tax excl.

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Shipping date: 07-12-2022.

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The LD180CR04 from ATOHM is a woofer loudspeaker designed for the realization of 2-channel system of very high quality.

This HP is equipped with a specific alloy membrane combined with a LDSO (Low Diffraction Surrounding) peripheral suspension. The latter is characterized by a particular profile ensuring a progressive fractionation of the suspension at the medium frequencies.

Its moFWI (Force Without Inductance) technology. The geometry of the component parts has been optimized to obtain a large and symmetrical force factor. The core has a copper ring that limits the creation of currents induced in the polar parts. This technology allows the reduction and linearization of the inductance value of the winding. The result is a reduction in distortion by odd harmonics and intermodulation as well as a more linear and extended bandwidth.

This superb HP canbe characterized by this: excellent efficiency, very low distortion rates, and high excursion capacities.

The detailed technical data sheet of the LD180CR04 can be found in the attached document.

HP Specifications:

  • Power Rating: 150W RMS
  • Peak Power: 300W Max
  • Impedance: 4 Ohm
  • Sensitivity: 93dB / 2.83V / 1m
  • Resonant Frequency: 46Hz
  • DC Resistance: 3.6 Ohm
  • QTS - QES - QMS: 0.32 / 0.35 / 3.94
  • MS: 0.66 mm / N
  • MMS: 18.2g
  • VAS: 24.3L
  • BL: 7.2 N / A
  • On: 0.58 mH
  • Recommended switching frequency: 2500Hz


  • Emission area: 160cm²
  • Coil diameter: 35mm
  • Height of reel: 18mm
  • Air Gap Height: 6mm
  • Weight: 2.9kg
  • Density of flux: 11200 gauss
  • Linear Excursions: +/- 7.5mm
  • Maximum excursions: +/- 11mm

ATOHM LD180CR04 HP grave médium

Data sheet
Speaker Power (W RMS)150.0
Speaker TypeMidbass
Impedance (Ω)4
Loudspeaker diameter (mm)180.0
Diaphragm typeComposite alloy
Efficiency / Sensitivity (dB)93.0
Max Linear Excursion (Xmax) (mm)11.0
Lowest frequency (Hz)N/A
Highest frequency (Hz)N/A

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