Elberoth - I'm not sure Benchmark is forward but my old speakers have aluminum dome tweeter that is a little hot. In any neutral system, I suspect, bright recordings might sound bad. My solution was to get slightly warm speakers while others use tube pre. AFAIK small amount of odd harmonics can be unbearable while the same amount of even harmonics sounds OK and doesn't distort sound too much.
Another issue is distortion. Slightest amount of distortion caused by either speaker (tweeter), crossover (capacitor) or amp amplifies brightness and causes harsh sibilants. Benchmark is extremely clean, Icepower is very clean and my new speakers have very clean (and fast) drivers (completely different design).
Another issue is distortion. Slightest amount of distortion caused by either speaker (tweeter), crossover (capacitor) or amp amplifies brightness and causes harsh sibilants. Benchmark is extremely clean, Icepower is very clean and my new speakers have very clean (and fast) drivers (completely different design).