As in the subject line. This has appeared in the amp/rec forum and has got me thinking. Another Forum advises small as loud dynamic pass could damage drivers. Any opinions?? This is what Mission state but appreciate fellow DG'er advice. Prakash, when of their tech/customer support guys advised that my centre the older M7c1 andthe M7ds rears could both be set to large as long as I am not watching at reference level. Quote ' As only domestic use only this should be ok.' However, he also advised that if I wanted to I could set to small and set LFE c/o at 70hz as they drop this low, which apparently is lower than mid-range, heading towards bass levels. Is that correct ??? As I presently dont own a sub I have mine set to large and all 3 speakers seem fine. Thanks. Captain Benefit.