Large platform for power amp and more...

Check with Stehno. He makes custom wood racks that are nice.

Get yourself a couple of large rock maple butcher blocks (John Boos' Boos Blocks are the best IMHO), position them end-to-end and couple them to the surface using threaded Audiopoints cones.

I was going to suggest looking for a workbench top and cutting it to your desired size, but I think separate platforms would be better. One large shelf will create more resonance problems than several smaller ones.

Jdombrow is quite correct when he mentions resonance issues. A 6 ft long piece of maple could give you trouble. If you got yourself 3 rock maple butcher blocks of the size I am thinking of (23" x 19") you would have just under 6 ft of usable space. In 3 sections you could also configure them in different ways should your situation change.

The John Boos blocks I use are 100% hard rock maple, come in a variety of sizes and thickness. I am currently constructing a custom two-shelf rack from 23 x 19 x1 slabs with a hand rubbed and buffed tung oil finish, 5/8" threaded rods, and I will be using Audiopoints 5/8" inside thread cones to couple the rack to the floor. It's going to look great and work very well too.

Lisbon, I've been using this with great results:

http://www.ikea.co.uk/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10101&storeId=7&productId=11317&langId=-20&parentCats=10104*10173

place it horizontally and you'll have the chance to add cones or dedicated platforms for more sensitive components. It's quite sturdy and heavy, I find it very good for the price. It fits 4 pieces of equipment. Ikea will open it's first portuguese shop in March 2004 (amadora), or go to Spain to get it....or have it custom made.

nuno