Posted by Brian Frederiksen on October 22, 2003 at 21:24:35:
In Reply to: Acousticoil posted by What is is? on October 22, 2003 at 20:27:52:
First saw this at a NAMM show in the mid 80's - it's been around a while. I have never played a horn with it so can't really comment but if it really worked don't you think every horn manufacturer in the world would put something like this in new horns?