(Don Pearce) writes:

There is no reason why any sound in the audible range (and that
includes the high strings) would sound any different under 24/88 than
16/44.1 They will both be reproduced identically provided they haven't
been manipulated in some way.

This may be stupid thinking but here goes anyway:

Even if there is significant energy in the part of the
signal beyond our range of hearing we still wouldn't hear
any of it. Unless, the voice coil of the tweeters are
heated up by that energy and change their properties.

--
Martin Schöön "Problems worthy of attack
show their worth by hitting back."
Piet Hein