speaker model- 8 Ohm impedance

[mr_byte31]

speaker model

hi all
I am making an audio amplifier for a 100W speaker
I finished the circuit but I have a problem
I want to but the equivalent circuit of the 8 Ohm speaker
is it a resistance in series with a resistor ? or what?
and the resistance is 8 Ohm then what about the value of the coil ?

 

[JoannesPaulus]

speaker model

Try this link: https://www.epanorama.net/documents/audio/speaker_impedance.html