Part 4.2: Elementary acoustic loads of a loudspeaker

Loudspeaker parameters are noted in this section

• Electrical parameters of a coil

  • Resistance R_ec [ ]

  • Inductance L_ec [H]

  • Electric impedance of a coil: .

• Mechanical parameters of a mooving part

  • Compliance C_mm [m/N]

  • Masse M_mm [kg]

  • Resistance R_mm [kg=s]

  • Mechanical impedance:

• Coupling parameters

  • Force factor Bl [T.m] [N/A]

  • Equivalent surface of a membrane S_d [m²]

  • Equivalent radius of a membrane r_d [m]