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JL Audio Ahead of the Curve |
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#1
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How Should I Be Using the 'LP Filter' Switch on a JL Audio Sub?
I've read the instructions in the manual for my JL Audio subwoofer but I'm not sure I understand how I should be using the switch labeled 'LP Filter.' I'm using the sub for my two channel system (not a home theater setup) and I don't know which position this switch should be set to. I have a single RCA plug running from the back of the sub to the sub input of my integrated amp.
Thanks for any help you can give me. |
#2
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How Should I Be Using the 'LP Filter' Switch on a JL Audio Sub?
It depends on which model you have but I THINK, assuming your home theater processor is handling all the bass management crossover settings, you would set that to off.
https://jlaudio.zendesk.com/hc/en-us...bile_site=true
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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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#4
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How Should I Be Using the 'LP Filter' Switch on a JL Audio Sub?
If there is no bass management before it, then set it to ON and then set the crossover point at 40 and tweak from there. Set its level down and ELF to 0. I assume you have no measurements of your room so are flying blind.
- Optimize your room for your main speakers. - Ask yourself what do you feel is missing? - I suggest you start with a low crossover point (~40 Hz)at low volume. —— Bring sub volume up slowly while listening to a bass heavy test track. Ballad of a Runaway Horse is a good one! Once you hear the sub, now begin turning it’s volume down balanced against the crossover point or HP Filter level. —- Run DARO —— don’t forget to adjust the phase on the sub (assuming you have a Fathom). You do not want to be able to locate your sub. It should be ‘invisible’ when you close your eyes. You should ‘feel’ it filling in only those frequencies below which your mains can handle. Lastly, consider pursuing the free (except for a USB microphone) route of using REW and measuring your room. So this is what I would do in your situation. It may or may not be what others would do!
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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 |
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#7
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Yes, that's exactly how I have to sub connected to my amp.
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