This is true in many cases. however in many small devices like phones
and such put decent modern drivers in that will sound pretty good
without all the electronic wizardry that the device uses to make it even
better my speaker mic was proof of that. Its amazing how the fine
points of speaker driver have changed in the miniature world of today
yet the basic principle is still the same as the good old Rice Kellogg
design of 1924.
Where the speaker, its driving electronics and the enclosure are all
in one package, there's great scope to compensate for all the
short-comings of the arrangement with sophisticated (software) filters
which you will not get when you salvage just the speaker which is not
in itself optimised for clarity - it's the whole ensemble.
David
G3UNA
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