Johnb30:
That's not the way it works. Again, every time there is a fortissimo passage, the speakers can draw far in excess of 80 or 160 watts, and the amp operates in Class AB. For pop or orchestral played at "normal" volumes, this happens all the time, which means that crossover distortion is always an issue. If you are listening to chamber music at 75 decibels at the listening chair, this won't happen, but it happens all the time with pop / rock / orchestral / big band jazz, etc. Again, if it wasn't an issue, amp manufacturers would not bother to make full Class A-biased amps, which are not easy to own (enormous heat and tons of electricity - mine draws 1,400 watts at all times and gets HOT).
I suggest that you make a judgment call as to just how much loud music you listen to. John Atkinson estimated the Strad's sensitivity at 93 db., which means that it is highly efficient - you do not need a high wattage amp to make such speakers go loud, just a well-built amp (i.e., stiff power supplies) that can deliver current (it drops to 3.3 Ohms in the bass). If you intend to listen to a lot of loud music, however, why not buy a loud music speaker, for example, big Wilsons? In any event, unless you do most of your listening at really loud volume, a high-quality 150 watt/channel amp, especially one that does not use global feedback, should make you happier in the long run.
That's not the way it works. Again, every time there is a fortissimo passage, the speakers can draw far in excess of 80 or 160 watts, and the amp operates in Class AB. For pop or orchestral played at "normal" volumes, this happens all the time, which means that crossover distortion is always an issue. If you are listening to chamber music at 75 decibels at the listening chair, this won't happen, but it happens all the time with pop / rock / orchestral / big band jazz, etc. Again, if it wasn't an issue, amp manufacturers would not bother to make full Class A-biased amps, which are not easy to own (enormous heat and tons of electricity - mine draws 1,400 watts at all times and gets HOT).
I suggest that you make a judgment call as to just how much loud music you listen to. John Atkinson estimated the Strad's sensitivity at 93 db., which means that it is highly efficient - you do not need a high wattage amp to make such speakers go loud, just a well-built amp (i.e., stiff power supplies) that can deliver current (it drops to 3.3 Ohms in the bass). If you intend to listen to a lot of loud music, however, why not buy a loud music speaker, for example, big Wilsons? In any event, unless you do most of your listening at really loud volume, a high-quality 150 watt/channel amp, especially one that does not use global feedback, should make you happier in the long run.