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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: Help measuring frequency response of my room posted by Tony on November 29, 2004 at 06:57:07:
You might try mounting the SPL meter on a tripod at about ear height in your listening chair, with the the mic pointed up rather than toward your speakers. Then stand to one side of the meter and as far away from it as reading its' scale will allow. You might even want to stand outside the listening room and read the meter with a pair of binoculars (?!) Every room has 3 modes (standing waves). One each for height, length, and width. There are formulae for calculating the frequency of these modes, which will allow addressing them. Search the Asylum archives for the room mode formulae and also for Jon Risch's Room Lens which is a battery of 3 Helmholtz resonators (one for each of the room's modes), and also the formula for tuning a Helmholtz resonator to a specific frequency.Happy Listening
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Follow Ups
- Re: Help measuring frequency response of my room - pkell44 10:38:26 11/29/04 (1)
- The room lens... - David Aiken 21:07:03 11/29/04 (0)
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