If there are drapes covering the window, and carpeting on the floor this will help tame aggressive highs. Soft furnishings also help. Wall hangings like decorative rugs are also very good. Fortunately my wife likes antique rugs, so acoustics and aesthetics need not be diametrically opposed !
I'm wondering if the cathedral ceilings are leading to lean bass, and you're compensating by turning the volume up a bit more, which then makes the treble a bit overbearing ?
I have found Cardas positioning to give good results, but since I have a small dedicated room, my problem is usually too much bass, not too little. Still, it's worth looking over the following links for future reference as speaker positioning makes a hugh difference to sound.
http://www.cardas.com/content.php?area=insights&content_id=26&pagestring=Room+Setup
http://www.audiophysic.de/aufstellung/index_e.html
Good luck. You have fine equipment, and I'd be more than a little annoyed if music listening wasn't enjoyable after that outlay. The problem may ultimately require cables or components to be changed, but speaker-room interaction is at the heart of many hifi problems.
I'm wondering if the cathedral ceilings are leading to lean bass, and you're compensating by turning the volume up a bit more, which then makes the treble a bit overbearing ?
I have found Cardas positioning to give good results, but since I have a small dedicated room, my problem is usually too much bass, not too little. Still, it's worth looking over the following links for future reference as speaker positioning makes a hugh difference to sound.
http://www.cardas.com/content.php?area=insights&content_id=26&pagestring=Room+Setup
http://www.audiophysic.de/aufstellung/index_e.html
Good luck. You have fine equipment, and I'd be more than a little annoyed if music listening wasn't enjoyable after that outlay. The problem may ultimately require cables or components to be changed, but speaker-room interaction is at the heart of many hifi problems.