If you have one support beam per foot it is extremely unlikely you will have any issue with that small uplift in weight. Do you have cross-bracing as well? When I had a very large and very heavy hybrid 7.1 home theater and 2channel combination system with full range speakers all around, subs and powered by Edge NL 12.1s and custom G8s all around with all the extra processors, preamp, power conditioners, etc...in short as much weight or more than you are summing up to I found cross-bracing and extra support beams in combination under sub floor did the trick...
|