An aluminum rear panel, being rather thin, will tend to warp or bend, especially with a bunch of holes in it.
Using a chassis without a bottom sub-panel (like for preamps, etc.) means you have to drill a bunch of holes in a steel panel.
And the paint does flake off when doing that.
Using a chassis without a bottom sub-panel (like for preamps, etc.) means you have to drill a bunch of holes in a steel panel.
And the paint does flake off when doing that.