"Reverend Fuzzy"
"Phil Allison"

If there is a cross-over board in the case, you may have an
electrolytic capacitor going bad.
When they over heat, they'll make those sort of noises.

** That is utterly bizarre crap.


Not half as bizarre as your instant flaming of something I have seen
happen in my personal experience.

** What you wrote here is bizarre crap.

What you might have seen elsewhere at sometime is another matter.


If you haven't seen it, yourself,


** Your post here is bizarre crap.

Electros used in hi-fi speakers like the AR11 do not "over heat" and hence
are not the source of peculiar hissing noises.

Ever worked on an AR11??

I have.


..... Phil