Room Acoustics and Speaker interaction.


I would like to have a secondary system in my small den which is only 11.5ft by 11.5ft with only a 7.5ft ceiling. Very small and very square...yikes!

So, because the room is so small, the speakers need to be close to the wall that resides behind them.

So this got me thinking about speaker types: sealed/front ported/rear ported, etc as I want to avoid a booming bass. But then I was thinking.....is it really the ports that are problematic or is it just certain low frequencies that are reacting to the room modes? Any thoughts?

How does one determine what frequencies to watch out for in your particular room?
no_regrets
Good point Nvp. We spend a lot of quality time together in this small den, and we both truly enjoy listening to music together. We both would like to be able to do this together in this small den. However, she does not want this to look like a stereo room, due to the fact that she has already allowed me to have a dedicated listening room for my reference system elsewhere in the house.
You can can make room look like kings bed around usind some linen curtains around room ,it would help avoid booming bass :)
I think you're realizing that the room dominates when it gets that small, and that nothing you do will alleviate the problems with placement near a wall behind the speakers, which will cause all kinds of response anomalies in the lower mids and upper bass.

You might consider a couple of very small satellite speakers and find a hiding spot for a small woofer that you can optimize for the listening position.
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IMO, both Luvs2listen and Bob_reynolds have given very good advices. For speakers, I would recommend Dynaudio sealed monitors e.g. Audience 42 sat or Contour S R, complemented with a sealed subwoofer.

Also, whether or not you will excite any room modes, it depends on how loud you are listening. For soft listening sessions you may not excite any room modes, so your square room may not be a problem after all.