ah, sorry. You could ask energy. However, they define Maximum Power as
with the Take 5s having a "maximum power handling" of 100W. Sensitive little things. You could opt not to 'crank it up". I'm not sure why SPL levels greater than 107 db (88db/W sensitivity, 100 Watts, 8 ft speaker...
because the high frequency content in most music is really not that high. However, if the amplifier is driven into distortion, high frequency elements added to the signal-- which mean that a lot more power must be dissipated by the tweeter. Many tweeters can't handle anything beyond 10 watts, or...