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In Reply to: RE: Why Kill Valuable Musical Information/ Dynamics of Sound-Waves at the First-Reflection Point? posted by Dryginger2 on June 21, 2015 at 17:14:56
I sit nearfield and with a 30 ft wide room have no need to treat the sides reflection point. In rooms that I have I see better coherence between left and right and a better stereo AND mono information image.
Even in my room the various treatments I have added really improved things even with the side reflection points untreated as they are not an issue in my room. I do treat the reflection points on the back wall directly in front of the speakers AND the center image reflection point six feet behind the listening chair.
The DIY Risch ceiling apex treatments really changed the mono image for the better too as well as that coherence thing between left and right.
E
T
Follow Ups:
ET,
You may not lose any sound purity to comb-filtering due to the very late arrival of weaker off-axis sound-waves from distant side-walls meeting strong sound-waves direct from the speakers at your listening position. Unfortunately you are still missing all the musical information and dynamics from the lateral inner and outer off-axis sound-waves. When they are reflected fast off nearby panels to join the direct sound-waves, the argument in favor of adding perhaps 40% more content texture and dynamic energy to the music becomes compelling. It's a whole new level of listening quality for whatever is on the source recording is revealed by much closer to the full-force of the coil-speakers' informational and energy output.
DG
nt
Lew,Eliminating the problem entirely is certainly one answer!
Remain convinced that an enlarged, likely curved version of the panel concept will ultimately prevail as it already sounds, despite the dismissive broadside, a substantial improvement. Lack of long experience frees creativity from 'knowing' what's not possible and the ego from past investments...
What would be interesting is to hear a recording of orchestral music as heard by the conductor. Keith Lockhart, the conductor of The Boston pops, commented on The 'Charlie Rose' show recently that it is a remarkable experience to have that force of music passing by the ears.
DG
Edits: 06/26/15 06/26/15 06/26/15
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