M0811 - LF Drivers

M0811 - LF Drivers

Product description:

High output mid frequency transducer for horn and multi-way speakers. 

Main features: 

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

Product specification:

  • 8” nominal diameter;
  • 300 W AES program power;
  • 98 dB 1W/1m sensitivity;
  • 2” copper voice coil;
  • 4.3 kg weight.

Specifications
Nominal diameter, inches (mm) 8(200)
Nominal impedance, Ohm 8/16
Rated power (AES), W 150
Frequency range, Hz 200-5000
Sensitivity (1W / 1m), dB 98
Minimum impedance, Ohm 7,8@630Hz
Bl product, Tm 16,2
Voice coil inductance, mH (1kHz) 1,1
Moving mass Mms, g 26,1
Voice coil
Diameter, inches (mm) 2(51)
Winding material copper
Former material glass fiber
Winding depth, mm 10
Magnetic system
Magnetic gap depth, mm 9
Flux density, T 1,3
Thiele-Small parameters
Fs, Hz 220
Vas, l 1,6
Qts 0,71
Qes 0,78
Qms 8,3
Re, Оhm 5,7
Sd, сm2 241
Xmax, mm 2,75
n, % 2,2
Mounting information
Overall diameter, mm 210
Baffle cutout diameter, mm 185
Bolt hole diameter, mm 5,5
Bolt circle diameter, mm 196
Height, mm 110
Net weight, kg 4,3