M2102 - LF Drivers

M2102 - LF Drivers

Product description:

Extended low frequency transducer for bass reflex and band pass system. 

Main features: 

  • aluminum die-cast frame; 
  • removable self-centering ferrite magnet system; 
  • inside-outside copper voice coil;
  • ventilated voice coil gap;
  • carbon fiber reinforced cone;
  • double silicon spider.

Product specification:

  • 21” nominal diameter;
  • 2000 W AES program power;
  • 98 dB 1W/1m sensitivity;
  • 4” copper voice coil;
  • 13.9 kg weight.

Specifications
Nominal diameter, inches (mm) 21(530)
Nominal impedance, Ohm 8
Rated power (AES), W 1000
Frequency range, Hz 30-500
Sensitivity (1W / 1m), dB 98
Minimum impedance, Ohm 6,6@120Hz
Bl product, Tm 24,5
Voice coil inductance, mH (1kHz) 2,2
Moving mass Mms, g 281
Voice coil
Diameter, inches (mm) 4(100)
Winding material copper
Former material glass fiber
Winding depth, mm 25
Magnetic system
Magnetic gap depth, mm 12
Flux density, T 1,05
Thiele-Small parameters
Fs, Hz 27,7
Vas, l 465
Qts 0,41
Qes 0,44
Qms 5,8
Re, Оhm 5,6
Sd, сm2 1662
Xmax, mm 9,5
n, % 2,15
Mounting information
Overall diameter, mm 540
Baffle cutout diameter, mm 490
Bolt hole diameter, mm 7
Bolt circle diameter, mm 518
Height, mm 245
Net weight, kg 13,9