what's the red and black line (before /after?)
Frequency Response Graph, share here - amateur / enthusiast only
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 Sep 29 2009, 10:56 AM
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#1
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9,206 posts Joined: Jun 2006 
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Sep 29 2009, 11:05 AM
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#2
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QUOTE(hsiengloong @ Sep 29 2009, 11:01 AM) Bro, how come there's a dip at the 48hz range? I believe svs eq1 can help even this out? Maybe you can post a graph pre and post audyssey MultiEQ (using ur denon) and pre and post SVS eq1. taiko, when ordering one? If its not too time consuming  Then it will give us laymen a better idea of the true power of ur beast  |
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Sep 29 2009, 11:09 AM
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#3
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yeah, old one dun go how new one can come (cantonese saying) hehe!
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Sep 29 2009, 07:13 PM
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#4
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from the graph 0 db reference level, flat curve... how many db SPL is that in real world loudness? got difference between 80db cheapo yammy sub and 110db like those JL and elite subs..
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Sep 29 2009, 07:48 PM
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#5
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what we should know is how flat at how loud? Not just how flat at 80db. That seperates the pretenders fm the real deal.
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Oct 7 2009, 07:00 PM
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#6
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QUOTE(gnsumas @ Oct 7 2009, 06:49 PM) Can anyone ajar how to read the graph? a for apple b for ball..  |
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Oct 8 2009, 06:05 PM
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#7
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QUOTE(htkaki @ Oct 8 2009, 05:57 PM) Bro, can post here to 'streamline' it adn easy for others to view? wow, need to see how it can suppress those low frequency (10-30hz) response after 300ms which is clouding many sub's waterfall charts.. Btw, EQ1 can do time domain. |
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Oct 10 2009, 10:39 AM
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#8
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QUOTE(gocitygo @ Oct 10 2009, 10:13 AM) anfieldude, thanks for the compliment, paiseh paiseh. still got a lot to learn for all the sifus. compare to those tok kong sub and sub equalizer, just kacang nia. nice to see most of the bass died down by 300ms...i believe the room treatment helps a lot. » Click to show Spoiler - click again to hide... « |
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Oct 10 2009, 11:54 PM
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#9
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QUOTE(anfieldude @ Oct 10 2009, 11:11 PM) Can u post ur charts and how u took the measurements? I'm curious. Also the RS SPL Meter is not known to be accurate past 5kHz. I think RS performs crappy-ly at sub range.. that's why have to put so much weighing correction.. Added on October 10, 2009, 11:12 pm CM140 is spec'ed to 8KHz but its calibrated at the factory and tests comparing to a calibrated mic have shown accuracy up till 20kHz. these things are more good for measuring relative loudness between speakers (when doing room correction/calibration between main/surround speakers) rather than getting accurate SPL readings of individual speakers.... Added on October 11, 2009, 12:00 am QUOTE(anfieldude @ Oct 10 2009, 11:40 AM) ar188, that's what I meant..Actually its all the bass gone by 300ms, floor noise is around 50Hz... the floor is already set as 48dB from the Y axis of the graph.. (not at 0db) so when I said most of the bass has died down (meaning except 45,50 and 65hz) , it means just that.. most of it reached the noise floor i,e, 48db This post has been edited by ar188: Oct 11 2009, 12:00 AM |
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Oct 11 2009, 08:46 PM
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#10
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 I think this explaination.. |
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