18N1200 - LF Drivers

18N1200 - LF Drivers

Product description:

High power low distortion extended low frequency transducer for bass reflex and band pass system. 

Main features:

  • aluminum die-cast octagonal frame with small installation dimensions; 
  • removable self-centering neodymium magnet system; 
  • inside-outside copper voice coil;
  • ventilated voice coil gap;
  • double aluminum demodulation ring;
  • glass fiber reinforced cone;
  • double silicon spider.

Product specification:

  • 18” nominal diameter;
  • 2400 W AES program power;
  • 96 dB 1W/1m sensitivity;
  • 4” copper voice coil;
  • 9.8 kg weight.

Specifications
Nominal diameter, inches (mm) 18(460)
Nominal impedance, Ohm 8
Rated power (AES), W 1200
Frequency range, Hz 35-1000
Sensitivity (1W / 1m), dB 96
Minimum impedance, Ohm 7,1@165Hz
Bl product, Tm 31.2
Voice coil inductance, mH (1kHz) 1,2
Moving mass Mms, g 285
Voice coil
Diameter, inches (mm) 4(100)
Winding material copper
Former material glass fiber
Winding depth, mm 30
Magnetic system
Magnetic gap depth, mm 12
Flux density, T 1,28
Thiele-Small parameters
Fs, Hz 36
Vas, l 148
Qts 0,37
Qes 0,38
Qms 13
Re, Оhm 5,8
Sd, сm2 1235
Xmax, mm 12
n, % 1,76
Mounting information
Overall diameter, mm 448/480
Baffle cutout diameter, mm 424
Bolt hole diameter, mm 7,5/9,5
Bolt circle diameter, mm 450
Height, mm 218
Net weight, kg 9,8