Ignace Dhont wrote:
I have made some absorption modules (you know, rockwool and chicken
wire) and covered it with Dacron (to keep the rockwool particles
inside). Sounds good, looks godawful. I understand burlap is the
acoustic best fabric to dress it up with.
Unfortunately one can't get hold of that in the Netherlands. I know
this sounds strange but it's true; I'm at the end of a six weeks quest
and still: no burlap in any nice colour. Any foreign
postorder/internet companies that do coloured burlap? The weave must
be fairly course to allow sound to pass thru it without resistance.

No, you can purchase specialty cloth that is intended to be acoustically
transparent and is much nicer-looking than burlap.

It is sold at specialty acoustical suppliers. In the US, I would suggest
Alpha Acoustics or Acoustics First in Richmond, VA, although there are
plenty of other folks selling the stuff and there is almost certainly
someone in Holland with a good line of acoustically transparent fabrics.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."