Hi
I have glanced through the thread and no mention has been made of the JBL 708. It is however on the not cheap side of most people budget but .. remains a sensible choice IMO for $3600 the pair... It can play loud in the far field with ease but ... I am with
@abdo123, on this: Subwoofers are mandatory in Home Cinema. I would go further and say that proper music reproduction, in most cases, require subwoofers, plural... even with speakers with substantial low frequency output.
In a relatively small , dedicated concrete room of 4.8 x 3.2 x 2.8 meters, 16 x10 x 9 ft (L x W x H). I get very good results with the JBL LSR 308 with o course a pair of subwoofers. I need to measure it after Audyssey but am satisfied so far, with all kind of music and movies.
I can tell when the system is pushed to its limit on music. MLP at 10 feet/3 m from the plane of the front speakers, on music >93 dB is not recommended. I don't go much above 95 dB anyway on music. On movies, the video dominates and I've found myself enjoying peaks in the 100 dB. I would say for music if you stay below 90 dB at 10 ft the LSR 308 would work with subwoofers. Plural.
The LSR 308 is not an endgame speaker, at $250 each, that would be unrealistic but with subwoofers and in a medium enclosed room, it will surprise many. I have the suspicion that its brother, the 708 could be my endgame speaker for years to come