"Eeyore" wrote in
message ...
Any thoughts on what's presented in this link?
http://www.gr-research.com/burnin.htm
Most of it is utter ********.
Agreed, so why why do you then say.....
A driver does indeed 'loosen up' a bit in the first few hours of use
however
with most likely the greatest effect in the low bass. See their results
for Fs.
A little like 'running in' a car engine.
Except a car engine stays that way, whereas the speaker will "stiffen" up
again when unused.
So maybe it's more like just bringing a car engine up to normal operating
temperature, rather than running it in.
There may well be something to it in having an extended 'running in' too
including at quite high power levels. Note that running in a car engine is
not
dissimilar again. Take it easy at first and then carefully run it up and
down
through its performance range.
A car engine actually wears metal surfaces. A speaker does not, and I can
see no proof for carefully running a speaker up and down it's range, other
than to establish what it's performance limits are without blowing it up.
Those limits are not likely to increase with time, more likely the reverse.
MrT.