Are linear highs important?
Well it depends on how you like your music. My preference for example is a DTS type sound where high frequencies don't roll off. This is absolutely essential when listening to rock. I want the guitars to sound raw with a bit of an edge. As well as trumpets and other similar synthesized sounds.
When I first started out in home audio I had speakers that smoothed out the highs. It took me awhile to realize something was missing when listening to rock. That's when I traded those speakers in for B&W 601 S3 which has a pretty linear tweeter.
Then there's the Dolby type sound that tends to roll off or smooth the highs and can sound rather pleasant. Nothing wrong with that if that's your preference. But it doesn't cut it when listening to guitar rock!
