M1201 - LF Drivers

M1201 - LF Drivers

Product description:

Low frequency transducer for compact bass reflex and horn loaded system.

Main features:

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

Product specification:

  • 12” nominal diameter;
  • 2000 W AES program power;
  • 95 dB 1W/1m sensitivity;
  • 4” copper voice coil;
  • 12,4 kg weight.


Specifications
Nominal diameter, inches (mm) 12(300)
Nominal impedance, Ohm 4/8
Rated power (AES), W 1000
Frequency range, Hz 45-1500
Sensitivity (1W / 1m), dB 95
Minimum impedance, Ohm 7,7@200Hz
Bl product, Tm 27
Voice coil inductance, mH (1kHz) 2,6
Moving mass Mms, g 113
Voice coil
Diameter, inches (mm) 4(100)
Winding material copper
Former material glass fiber
Winding depth, mm 25
Magnetic system
Magnetic gap depth, mm 14
Flux density, T 1,05
Thiele-Small parameters
Fs, Hz 44,6
Vas, l 49
Qts 0,26
Qes 0,27
Qms 6,4
Re, Оhm 6,2
Sd, сm2 560
Xmax, mm 9
n, % 1,56
Mounting information
Overall diameter, mm 312
Baffle cutout diameter, mm 282
Bolt hole diameter, mm 7
Bolt circle diameter, mm 294
Height, mm 130
Net weight, kg 12,4