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Frame and Mainboard Plates
The mainboards are mounted on 1/4" AA luan plywood plates using 1/8" nylon standoffs. We hvae explored many other materials for the mainboard plates, particularly aluminum and a variety of plastics and polymers. None could match the strength to weight ratio, cost, or ease of use associated with high quality plywood.
The frame is made of .080" smooth plate aluminum with punches for the rail mounts, case mounts, and line-input power switch. The rails and board guides are also made of standard aluminum stock with pre-drilled mounting holes.
This is the design sheet for the v3 frame: