I think it all depends on the speaker and amp combo. The Spectron Musician III SE in mono-block delivers 2400watts @ 4ohm. I do have to set the volume nob down than when I had only one M3 SE stereo amp, but the level of detail, effortless sound and fitness is world class.
Reports of blown tweeter fuses on the Maggies 3.6R are not that uncommon. I've read cases where the tweeter fuses blows up with an 800watt amp. I mostly listen to Jazz and Classical music, so it's unlikely that I'll go up to uncomfortable levels. But listening as loud as my room allows, I've never blown up a tweeter fuse with the 2400watt Spectron mono-blocks.
You can check the technical details of safety features for this amp, which may help to explain why I never feel anything forced upon the sound. All I perceive is the easiness of the music, just like a live musical event.