Room treatment...what is the goal?


Is the goal to get rid of all echo in the room, or do you actually want to have some room echo. Are you aiming for a flat response? What if your speakers aren't perfectly flat, and have sloped up highs? (which I believe is the case with my B&W 805S speakers) Are you trying to match the anechoic response or at least be somewhat close to it? Also does anyone have the response measurements for the 805S? I can't seem to find them anywhere.

I just treated my room with the help of an acoustical engineer, and while everything sounds great, the highs almost seem too dull now on my 805S. They used to be too bright before treatment, but now they seem like they have lost a little of their sparkle and presence. Everything else sounds 10x better though
nemesis1218

Showing 1 response by dougmc

Agree with Stanwal and Ncarv.

I installed six 2'x4' acoustic panels on my sheetrock side walls to eliminate slap echo and ringing of higher frequencies. They certainly cured those problems, but the difference in sound made me worry I had overdamped. The panels were removable (but only slightly movable), so I experimented by taking down one panel at a time. There was a marginal improvement with only 4 panels, but for the present I am using all 6.

I also compensated for the lower sound (noise?) level by turning up the volume of the system. I found I could play at volume levels that would have been painful without those sound panels, and the sound is more satisfying simply because it is fuller. The sound is also better balanced because the high frequency noise no longer masks the bass and mid-range. I also understand that pre-amps sound better running at higher volume because of less resistance in the signal path.

I listen almost exclusively to classical music and attend many orchestral and chamber concerts. Since installing the sound panels, I have tried to compare the liveliness of various venues with my listening room. Disney Hall in LA is supposed to be a "live" hall (tending toward the bright side). However, I never detect anything like a persistent brightness. All I hear is more detail and no dullness in the sound. I think overdamped, dull sound results from eliminating overtones, not reverberation.