M1224 - LF Drivers

M1224 - LF Drivers

Product description:

LF transducer for compact two-way and multi-way speakers. 

Main features: 

  • aluminum die-cast frame; 
  • removable self-centering ferrite magnet system; 
  • inside-outside copper clad aluminum voice coil.

Product specification:

  • 12” nominal diameter;
  • 700 W AES program power;
  • 96,5 dB 1W/1m sensitivity;
  • 2.5” CCAW voice coil;
  • 5 kg weight.

Specifications
Nominal diameter, inches (mm) 12(300)
Nominal impedance, Ohm 4/8
Rated power (AES), W 350
Frequency range, Hz 50-3500
Sensitivity (1W / 1m), dB 96,5
Minimum impedance, Ohm 6,4@210Hz
Bl product, Tm 15,9
Voice coil inductance, mH (1kHz) 0,85
Moving mass Mms, g 57,7
Voice coil
Diameter, inches (mm) 2,5(64)
Winding material CCAW
Former material glass fiber
Winding depth, mm 16,5
Magnetic system
Magnetic gap depth, mm 8
Flux density, T 1,28
Thiele-Small parameters
Fs, Hz 50,9
Vas, l 69
Qts 0,4
Qes 0,42
Qms 8,9
Re, Оhm 5,7
Sd, сm2 539
Xmax, mm 6
n, % 2,1
Mounting information
Overall diameter, mm 312
Baffle cutout diameter, mm 284
Bolt hole diameter, mm 7
Bolt circle diameter, mm 294
Height, mm 132
Net weight, kg 5