a simple way to check if all the speakers work is by playing some music at a medium loudness level and then you put your ear within a couple of inches of each one.
you can also play pink noise at a moderate level; white noise will have relatively stronger high frequencies.
no sound = dead speaker or a loose wire inside.

i think that any kind of sound, if it's played too loud for the speaker to handle, will kill it

i think you can download pink noise from the internet and then just burn it to CD.

a speaker that shuts down means it's being overdriven; the shutdown is a protection. when it's overdriven, the sound distorts.

Last edited by J. B.; 11/21/11 07:27 PM.