Yes that is a strange thing to do, even my old Dentons are mirror images.
Maybe they never intended them to be the way up many put them for many
speakers.
I have one bass speaker to help make it extend lower, but the effect is
very location dependent. In an experiment recently it actually sounded
better out in the hall!. Not entirely practicle i grant you.

Brian

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From the Sofa of Brian Gaff Reply address is active
"Eiron" wrote in message
...
On 22/01/2014 13:38, Dave Plowman (News) wrote:
As most will know, speakers like the Spendor BC1 sound horrid if placed
on
the floor. Raising them on a stand with air between the floor and the
speaker sorts out the bass end nicely.

In practice, the stand height places the tweeter roughly on line to the
ear when sitting down.

But is there a formula for the ideal distance from floor to speaker based
on cabinet volume or whatever? Or is it just 'enough' and more makes no
difference?

Speakers can be quite directional at the mid/top crossover frequency if
the two drivers are too far apart, and they might be better tilted back
a bit. Not as bad as listening to ESL57s and moving your head 6" to one
side
but there might be a difference.

And of course if you have a party you need taller stands to put the
tweeters
at ear level when standing up.

I'm puzzled why some manufacturers put the tweeter diagonally to the
same side of the midrange on both speakers of a pair. It blurs the
soundstage.

--
Eiron.