Guitar speakers mechanismus

If you ever analized any loudspeaker you need to know about construction of speakers. At the begin we must tell something about types of speakers. I know, the number of types of speakers is very great. In electric guitar equipment you must got the dynamic type of speaker. Only that is good way to have best sound from amplifier. In classic, accoustic guitar and bass we could have additional dynamic speaker for trebles (sound over 5000Hz). This types of cabinets we descibe next time.

 Wikipedia knows: loudspeaker is an electroacoustic transducer changing energy from electric current into sound.

Classic guitar speakers have size of 10" or 12" (rare speakers have dia = 15"). Guitar speaker is specific type of speaker other from standard speakers used in Professional Audio or Hi-Fi.

Inside of construction we have got:

1) Tripod. Tripod have holes for pneumatic transmission energy into the inside of cabinet
2) Magnet
3) Pole of magnet
4) Voicecoil
5) Suspension
6) Cardboard for protection when speaker is mounting from inside of cabinet
7) Whole for mounting to cabinet
8) Dust cover
9) Diaphragm (membrane)
10) Magnetic gap

If we put into coil the alternate current, the magnetic laws will give mechanic force into