I am currently in the process of building a home theater. My existing "stereo" speakers are Polk Monitor 10B's, which I have thoroughly loved for the past 16 years. In preparation for my home theater, I purchased the following additional components:
FXi30 - Surrounds
PSW404 - Subwoofer
CSi40 - Center Channel
Yamaha RX-V1300 amp (100 watt/channel)
I've been using this setup for the past couple of months with no complaints other than a slight difference in timbre between the Monitor's and the rest of the system.
I am now preparing to setup my hometheater in the basement, so I need an additional pair of main speakers. (I am planning on keeping the Monitor 10B's upstairs in the living room for music listening only. I prefer to keep the new front speakers small, or at least narrow, so I can maximize the wall space for my theater screen.) Based on the "Build a System" feature on the Polk Web site, I purchased a pair of RTi38's to match my existing home theater components (excluding the Monitor 10B's of course). When I set up the speakers this evening to play some "challenging" music, I must say I was somewhat disappointed. (I always play Yes's "Yours is no Disgrace" whenever I am evaluating and comparing musical components. Been using the same song for 17 years!) The midrange/bass was sluggish and lacked punch. It actually seemed to warble a little bit at one point. I then came to the realization that the pair of RTi38's cost about one half the price that I paid for the Monitor 10B's 16 years ago! What did I expect?
Basically I would like to upgrade the RTi38's (i.e. return them to Circuit City), but I'm concerned that if I go with the LSi series, the 4 ohm difference in impedence (8 ohm vs. 4 ohm) will adversely effect the dynamics of the 5.1 system when watching movies. I really can't justify starting over with all new surrround sound components (Center, rears, and sub). Any suggestions out there?