Originally Posted by rdclark
... Finally, the CC speaker that DefTech recommends for use with the SM55 is the $500 CS-8040 -- which has a passive radiator on top.
My only initial hesitation in recommending a third SM55 was the radiator on top - depending on how close the speaker is to your TV I wondered about extra reflections from the top radiator that may not be present in the LR mains. But when I (also) checked and saw that the DefTech recommended center also has a radiator on top I recommended the third SM55 sans hesitation.
Three identical speakers across the front vs a dedicated, horizontal center speaker is often debated in the forums - just search/read some other threads on the subject if it will help ; )
To be honest in the past I've not been a fan of most DefTech speakers - I thought they sounded fine for HT but sub par for music (and seemed overpriced to me). That changed with the SM series, the 350's and 450's sounded surprisingly good to me, and, I think DT nailed it with the new SM's - 45, 55 and 65.