-3000 Wedge Guitar #39, Probably Koa: 4.2kg (with coil tap that switches between single coil and humbucker.)
-1000 Standard #1559, Slimline (Alder? Magnolia: 4kg)
-500 #16 Prototype (Magnolia?) 4.2kg.
http://www.unsound.com/GTR/TBW/TBcontest.jpg

photos of the guitars in the database section.

here's the actual soundfile http://www.unsound.com/GTR/TBW/TBcontest.mp3.

no effects, no amplification, strummed with open strings at the bridge position to try to get the loudest signal possible (this is science and not art, folks.)

any who are inspired by the above may even find our music inspiring:

http://www.wiggle.info/

hope this was of some use.