I don't use a rack, but so far my IKEA TV stand handles it very well. Think I paid about 150.00.
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Preamp/ Outlaw 970
Amp/ Outlaw 7100
Fronts/ Paradigm Studio 20's v.3
Rears/ Paradigm Mini-Monitor v.1
Center/ Paradigm Studio-CC
Sub/ Paradigm PS-1000