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I have now done some messurement.
with the phase 0 on the sub (purple only olympica 3) https://www.bildtagg.se/file/225lv0y2dtfr7n77menfk7p RT60 phase 0 on the sub https://www.bildtagg.se/file/rne6omfkkv7w72sgva9y2zn Waterfall phase 0 on the sub https://www.bildtagg.se/file/9mcks6v9n1tpor6r3yudcbs with the phase 180 on the sub (purple only olympica 3) https://www.bildtagg.se/file/jxg35tcf7li3a9j4dnvkaq84 RT60 phase 180 on the sub https://www.bildtagg.se/file/i1jzvrg6wcqeew30320i40qw Waterfall phase 180 on the sub https://www.bildtagg.se/file/6wu4sy384wenv3bh7okqn8p would it help to add bass traps to take the edge of 40hz? And i where would i place them, in the sub corner or/and the oppisite? what more tings do i need?
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Mcintosh C500T Mcintosh MC452 Schiit Yggdrasil A2 B&W CM10 S2 REL S812 |
#2
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As mentioned before, absorbing sound at 40Hz is extremely difficult. This article brings that point home.
https://www.acousticfields.com/how-d...-a-small-room/ I would suggest the addition of an external active crossover. Then you could set the high pass filter above 40Hz on your main speakers and locate your sub(s) in the room to minimize their resonance at 49 Hz. I have used a McIntosh MEN220 to good effect in an old system and now use a JL Audio CR-1 in my current system. As an aside - There is little point in setting REW to sweep below 20Hz. What ever data you are seeing there is useless.
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Main Equipment: Kharma Elegance dB11-S, JL Audio F113v2 X 2, Block Audio Line & Mono SE Amplification, Bricasti M21 DAC, Antipodes Kala K-50 Server, Clearaudio Performance SE. Satisfy tonearm & Maestro Wood MM cartridge. Power: Shunyata Everest 8000, Sigma XC v2, Sigma NR v2, Block Audio PCs, Defender, ADDPowr Wizard Grounding: Shunyata Altaira CGS - 4 X Alpha CGS cables, Network : Supra Cat 8+, Twin (Nenon) Modified Buffalo GS2016 Switches, Keces P3 LPSU, Cables: Wireworld Platinum 8 USB, Wireworld Platinum Eclipse 8 Speaker cables, 6M & 1M Tubulus Concentus ICs, Other:Two PSI Audio AVAA C20, Multiple GIK products, Stillpoint Apertures, Stillpoint Minis and Ultra SS, Three 20 Amp lines, Furutech GTX - Gold outlets, Adona Rack |
#3
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Main Equipment: Kharma Elegance dB11-S, JL Audio F113v2 X 2, Block Audio Line & Mono SE Amplification, Bricasti M21 DAC, Antipodes Kala K-50 Server, Clearaudio Performance SE. Satisfy tonearm & Maestro Wood MM cartridge. Power: Shunyata Everest 8000, Sigma XC v2, Sigma NR v2, Block Audio PCs, Defender, ADDPowr Wizard Grounding: Shunyata Altaira CGS - 4 X Alpha CGS cables, Network : Supra Cat 8+, Twin (Nenon) Modified Buffalo GS2016 Switches, Keces P3 LPSU, Cables: Wireworld Platinum 8 USB, Wireworld Platinum Eclipse 8 Speaker cables, 6M & 1M Tubulus Concentus ICs, Other:Two PSI Audio AVAA C20, Multiple GIK products, Stillpoint Apertures, Stillpoint Minis and Ultra SS, Three 20 Amp lines, Furutech GTX - Gold outlets, Adona Rack |
#4
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Evan Sound Lab 745s, AtmaSphere MA1s, 2 Rythmik 12SE subs, 1 dual 10" DIY sub, Parasound JC2 pre, Aurender S10, Holo Audio May DAC, Oppo 105, DIY Lenco L75, Wavestream Kinetics tube phono stage, Shunyata loom |
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