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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: as usual, I left out an important point posted by BS64 on December 13, 2010 at 04:59:47:
High frequencies actually get absorbed by air though the amount of absorption depends on air volume, and also tend to get absorbed a bit by a lot of room surface materials such as plasterboard. Your room size should be working for you here because of the increased air volume so if you've got a high frequency problem my guess is that you have a lot of reflective surface area in the room which are reflective at high frequencies, things like uncovered glass window areas, a hard reflective floor surface with no floor covering, stone walls, and possibly even a lot of glass or similar surfaced furniture.
The excess mids/highs could have an effect on imaging/sooundstaging if they are coming from the first reflection points so I'd map those points out and see what kind of materials you have at those points.
If it's the nature and size of the reflective surfaces in the room that is the problem, I'd start with things like curtains, a rug between you and the speakers, removing any highly reflective furniture I could, and so on. If you have reflective furniture providing first reflections, then I'd move that furniture elsewhere in the room if I couldn't remove it. TV screens are reflective at high frequencies and can be covered with a blanket or quilt during listening sessions. If that doesn't tame things enough, then adding absorption for the mids to highs would be necessary. When adding panels I'd start with first reflection points but you may need to add some elsewhere if that doesn't do enough to suit you.
You said you couldn't move the listening chair to test out other placements because it's a sofa. If that's the case, leave it where it is, grab a lightweight chair and experiment with other locations to see if you can find one that works better, with or without some speaker position adjustment as well. When you've found a location consider whether you can move the sofa there. If not, then consider using a comfortable, easily movable chair at that location for listening sessions.
David Aiken
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Follow Ups
- RE: as usual, I left out an important point - David Aiken 11:53:47 12/13/10 (3)
- perhaps it IS the proximity to the speakers? - BS64 13:49:50 12/13/10 (2)
- RE: perhaps it IS the proximity to the speakers? - David Aiken 23:13:43 12/13/10 (1)
- RE: perhaps it IS the proximity to the speakers? - BS64 07:17:31 12/14/10 (0)
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