[sdiy] Harmonic bandwidth

[Tim Daugard]

> I don't know what happens when you drive a speaker with a square wave
> with lots of high order harmonics. I imagine it must filter the
> harmonics that are excessively higher than the frequency response of the

The speaker coil melts - I did this with a speaker and an amplifier with a reasonable
level of power. AFTER I did that, I added an output filter to my amplifier driver module
to ensure I didn't destroy any more speakers with harmonics or signals I couldn't hear.

Tim Daugard
AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
http://home.sprintmail.com/~daugard/synth.htm
http://home.earthlink.net/~synthfred/h_toctop.htm (Fred's online edition)