[rickcr42]

I have posted earlier links in the links section to sites that have test tones whch can be downloaded then burned to a disc for testing loudspeakers ,headphones ,amps,etc

but i just came across this addition so i thought i would share it before adding it

From Genelec

http://www.genelec.com/support/testsignal.php

Also good for burning in headphones as long as you keep the volume reasonable

rick