M1862 - LF Drivers

M1862 - LF Drivers

Product description:

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

Main features: 

  • aluminum die-cast frame with improved voice coil ventilation; 
  • removable self-centering ferrite magnet system; 
  • inside-outside copper clad aluminum voice coil;
  • ventilated voice coil gap;
  • double aluminum demodulation ring;
  • glass fiber reinforced weather protected cone;
  • double silicon spider.

Product specification:

  • 18” nominal diameter;
  • 1400 W AES program power;
  • 98 dB 1W/1m sensitivity;
  • 4” CCAW voice coil;
  • 13 kg weight.

Specifications
Nominal diameter, inches (mm) 18(460)
Nominal impedance, Ohm 8
Rated power (AES), W 700
Frequency range, Hz 30-2000
Sensitivity (1W / 1m), dB 98
Minimum impedance, Ohm 6,9@155Hz
Bl product, Tm 23,7
Voice coil inductance, mH (1kHz) 0,81
Moving mass Mms, g 182
Voice coil
Diameter, inches (mm) 4(100)
Winding material CCAW
Former material glass fiber
Winding depth, mm 27
Magnetic system
Magnetic gap depth, mm 12
Flux density, T 1,15
Thiele-Small parameters
Fs, Hz 30,6
Vas, l 312
Qts 0,34
Qes 0,36
Qms 7,7
Re, Оhm 5,7
Sd, сm2 1244
Xmax, mm 10,5
n, % 2,4
Mounting information
Overall diameter, mm 465
Baffle cutout diameter, mm 414
Bolt hole diameter, mm 6,5
Bolt circle diameter, mm 440
Height, mm 210
Net weight, kg 13