FR graph using REW to demonstrate the effect of my DIY corner bass trap.
1. All bass traps in place.
2. Remove Front Right corner bass trap.
Frequency Response Graph, share here - amateur / enthusiast only
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 Sep 29 2009, 11:37 AM
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#1
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Senior Member
4,239 posts Joined: Jan 2003 From: Selangor   
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I posted this comparison sometime ago but was missed by many; so, I'll just re-post here for posterity
FR graph using REW to demonstrate the effect of my DIY corner bass trap. 1. All bass traps in place.
2. Remove Front Right corner bass trap.
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Sep 29 2009, 09:25 PM
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#2
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Senior Member
4,239 posts Joined: Jan 2003 From: Selangor
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QUOTE(gocitygo @ Sep 29 2009, 08:26 PM) Here is my plot on Velo 12Q (AutoEQ done) with SR6003 (Audyssey done). your chart looks quite good, the Auto EQ doing its job well.Using cheapo RS digital SPL with REW program. Level = 75dBC Anyone know how to fine tune sub using SR6003 (i.e. EQ)? [attachmentid=1222299] Any sifu done FR on the main speakers? Too bad my RS SPL not accurate for high freq.  my previous velo 10R also had sound levels falling off rapidly around 25-30Hz but the SVS can maintain sound levels well below 20Hz  |
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Oct 7 2009, 02:38 PM
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#3
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Senior Member
4,239 posts Joined: Jan 2003 From: Selangor
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anyone else measured their room response?
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Oct 9 2009, 09:44 AM
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#4
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Senior Member
4,239 posts Joined: Jan 2003 From: Selangor
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QUOTE(htkaki @ Oct 8 2009, 07:56 PM) If the customer keep it after the satisfying result, then I'll send another one up. Just for Ron and you to test it out. now poison by post...haha  based on the reviews, EQ1 will surely produce nearly flat FR; the only issue is whether you like the result or not...and of course, your  |
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Oct 10 2009, 02:08 PM
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#5
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Senior Member
4,239 posts Joined: Jan 2003 From: Selangor
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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 from all the sifus. compare to those tok kong sub and sub equalizer, just kacang nia. your chart looks good. mind sharing what you did - super bass traps??i believe the room treatment helps a lot.  |
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Jan 15 2010, 09:36 AM
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#6
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Senior Member
4,239 posts Joined: Jan 2003 From: Selangor
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so long no one posted new FR graphs...
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May 8 2010, 08:17 AM
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#7
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Senior Member
4,239 posts Joined: Jan 2003 From: Selangor
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Room EQ Wizard V5 Beta Released
 The new Spectrogram plot  The new RTA Window  Room EQ Wizard is a Java application for measuring room responses and correcting modal resonances. It includes tools for generating test signals; measuring SPL; measuring frequency and impulse responses; generating phase, group delay and spectral decay plots, waterfalls, spectrograms and energy-time curves; generating real time analyzer (RTA) plots; calculating reverberation times; displaying equaliser responses and automatically adjusting the settings of parametric equalisers to counter the effects of room modes and adjust responses to match a target. New in V5 * Phase, Group Delay, Step Response and Spectrogram plots * Phase wrap/unwrap, IR minimum phase conversion, IR delay calculation and adjustment * Separate windows for overlays, RTA and EQ functions * New algorithms for EQ adjustment offering exceptional tracking of target responses, can be used over any frequency range * Waterfalls of predicted results of EQ can be viewed in the EQ panel and can update live as filter settings are adjusted * Support for QSC DSP-30 and Crown USM 810 parametric filters * "Modal" filter setting provided for parametric EQ filters to aid in correcting modal decay Link here |
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