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Keith_W replied to the thread Is there clarity display possible with higher resolution as the T60M ?.Please understand what I am trying to tell you: RT60 is meaningless at low frequencies in small room acoustics. The reasons are: 1... -
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Keith_W replied to the thread Advise to interpret REW measurements.You should be able to answer your own questions by reading that eBook. Re: the ETC peaks, read the section on ETC to see what they mean...
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Keith_W replied to the thread Advise to interpret REW measurements.I don't have a lot of time right now, but i'll answer this question first. The answer is: measurement artefact from an improperly...
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Keith_W replied to the thread Is there clarity display possible with higher resolution as the T60M ?.One glance at your RT60 chart and it is easy to see that you have WAY OVERTREATED your room, look at that - the RT60 at high frequencies...
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Keith_W replied to the thread Is there clarity display possible with higher resolution as the T60M ?.That ETC looks excellent, I don't think you have much to complain about. If you want a better idea what your bass is doing, use the...
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Keith_W replied to the thread Is there clarity display possible with higher resolution as the T60M ?.Please think a bit about what the Clarity measurement is. It has nothing to do with subjective clarity. I think it is the most useless...
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Keith_W replied to the thread PASSIVE TO ACTIVE.Correct, I align all the drivers on the left speaker to the left tweeter. That makes sense to me :) A 4th order LR can be either...
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Keith_W replied to the thread PASSIVE TO ACTIVE.Here are a few points about driver time alignment. 1. The acoustic centre of the driver depends on the driver, where the XO point is...
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Keith_W replied to the thread A question about RTA and reflections.You could do this: 15 sec should be enough time for you to run to a new location and set up your tripod.
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Keith_W replied to the thread What would you treat?.Ahhh. Well it would appear that spike is at 126Hz and not 160Hz. This is what it looks like in RT60 decay. To be honest it looks...
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Keith_W replied to the thread What would you treat?.These are all your L+R RT60 measurements. I do not see a "weird spike at 160Hz". In any case, the RT60 should be interpreted with...
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Keith_W replied to the thread Tight punchy and big bass.As for your subjective impression, i'm not surprised. Take a look at how your measurements compare to the Harman target:
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Keith_W replied to the thread Tight punchy and big bass.Your subwoofer measurement does not have a timing reference. No matter, I was able to infer how much the subwoofer was delayed by lining...
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Keith_W replied to the thread Tight punchy and big bass.I wouldn't say that a 2ms subwoofer delay at say 50-80Hz is audible. The threshold of audibility for group delay at bass frequencies has...
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Keith_W replied to the thread What would you treat?.I didn't show you my ETC. I think it looks close to ideal. Nice sharp main impulse, then rapid decay. All reflections are more than...
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