18-inch, cast aluminium chassis, ferrite magnet LF loudspeaker

Features

  • PowerProX speakers are built for maximum performance and reliability throughout the lifespan of each speaker
  • Dynamic airflow venting delivers class-leading heat management with an average 20C lower voice coil temperature
  • Polysiloxane laminated dual suspension provides greater stability and improved cone displacement symmetry
  • Aluminium demodulation ring reduces harmonic and intermodulation distortion caused by voice coil displacement
  • Double-sided, weatherproof cone coating for moisture protection and enhanced durability
  • Nominal diameter : 457mm / 18in
  • Power rating : 1200W
  • Continuous power rating : 2400W
  • Rated impedance : 8?
  • Sensitivity : 97dB
  • Frequency range : 35-1000Hz
  • Chassis type : Cast aluminium
  • Magnet type : Ferrite
  • Voice coil diameter : 100mm / 4in
  • Voice coil material : Round copper
  • Former material : Glass fibre
  • Cone material : Glass loaded cellulose, water-resistant coating front & back
  • Surround material : Cloth-sealed
  • Suspension : Dual-laminated
  • Gap height (Hg) : 11.75mm / 0.46in
  • VC winding height (Hvc) : 25mm / 0.98in

Parameters

  • Sd : 1210.0cm2 / 187.6in2
  • Fs : 34.8Hz
  • Mms : 229.98g / 8.1oz
  • Qms : 3.147
  • Qes : 0.431
  • Qts : 0.379
  • Re : 5.1O
  • Vas : 188.9l / 6.67ft3
  • BI : 24.38Tm
  • Cms : 0.091mm/N
  • Le (at 1kHz) : 1.61mH
  • Xmax : 9.3mm / 0.37in
  • Xmech : 48mm / 1.9in
  • Efficiency ?0 : 1.8%

Mounting Information

  • Overall diameter : 460mm / 18.1in
  • Overall depth : 225mm / 8.9in
  • Cut-out diameter : 414mm / 16.29in
  • Mounting hole dimensions : 11x7mm / 0.43x0.28in
  • Number of mounting holes : 8
  • Mounting hole PCD : 441-432mm / 17.36-17.31in
  • Flange & gasket thickness : 16.2mm / 0.64in
  • Power rating : Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.
  • Continuous power rating : Defined as 3dB greater than the AES rating.
  • Sensitivity : Measured on axis at 1W, 1m in 2p anechoic environment.
  • Parameters : Measured after unit subjected to pre-conditioning signal.
  • Xmax : 0.5(Hvc-Hg) + 0.25Hg
  • Xmech : Maximum peak-to-peak excursion before damage.

ConditionMint (Used)
Mint items are in essentially new original condition but have been opened or played.Learn more
Brand
Model
  • PowerProX18 18" 1200-Watt 8ohm Subwoofer Speaker
Finish
  • 678
Categories

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ProAudioStar

Brooklyn, NY, United States
Joined Reverb:2014

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