[OG]

"Tony" wrote in message
om...
"Asbjørn" wrote in message
...
(sensible suggestions, but only in alt.sci.physics.acoustics)

I've set this back to all the original groups in case the OP isn't reading
alt.sci.physics.acoustics.
I see that a reasonably consistent consensus of technical opinion is now
appearing. The system does work sometimes!
--
Tony W

So far as I can tell, the only posting that is isn't in most threads is
Asbjørn's . Suggest the OP goes to a.s.p.a for the missing post.