When you buy via links on our site, we may earn an affiliate commission at no cost to you. Turn your Subsonic Filter down to 10Hz I remember watching my woofers move in and out (large excursions) without making a sound. Play some of your favorite bass-heavy tracks and adjust the filter threshold until the low notes start reverberating. I learn something new everyday, I'm glad I asked this question because otherwise I would have never know how to actually set the ssf and whether to use it or not. Because of the 50db gain high output MC setting, the dial on the front for variable resistance loading is disabled and it defaults to 47Kohm, which is fine for the Denon. A subsonic filter will introduce phase shift at audio bandwidth frequencies, but I'm never sure which is worse; the phase shift at low frequencies that might not exist on 1,773 posts. I'm down at 60 Hz and found that with the music that I listen to it sounds much better. This filter has a very sharp cutoff character. The trick is to find the right balance; it should be loud enough that you can feel the bass but attenuated enough that its not destroying your amp. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. On the flip side, I think it's a good place to start. If you're just guessing as to what frequency to set it at. On top of that you're guessing whe Frequencies blow 10 Hz are attenuated by more than 35 dB. August 2020 This helps avoid bad distortion since they cant handle deep bass. It is recommended to set up a very subsonic filter with a very steep slope (attention factor) to combat this issue., You can set the subsonic filter on your 1723 Series Subwoofers in the Crossover Menu and for the 1961 Subwoofers in the Setup Menu. August 2014 Now Available: Tech Talk Podcast with Scott Wilkinson, Episode 19. I have never heard of this. "Maybe you could further investigate programming this module through its serial port. Most often, the very low frequencies create distorsions in music recording or reproduction. If you arent sure which one you have, you can tell by looking at the box. I got a couple of anticollision car door warning lights! Then adjust it back up until the bass notes tighten up again. Its the opposite of a low-pass filter, which only attenuates signals above a certain line. WebBasically, with the subsonic off, play a 27 Hz test tone, measure the AC output voltage, multiply that number by .707, and then turn the knob up until the voltage hits that target. If it's sealed, turn the subsonic all the way down to 20. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. March 2012 Most subs have a filter built into the plate amp to protect the driver from damage from super low frequencies that it can't produce. The value you filter against needs to be the Property Name, not the database column name. No band-aid, a subsonic filter is essential if you're using a good subwoofer -- or your main speakers extend really low -- and you're trying to play vinyl. Put on your favorite song and turn the volume up to your normal listening level. Plenty of genres never get anywhere near the 50 Hz range. Any help on this is greately appreciated. December 2017 WebComplete with multiple DSP functions including 7-band PEQ, LPF, phase, subsonic filter, limiter, delay, and HPF the SPA250DSP gives you the ultimate control to fine tune your audio system. Feet / Speed of sound (1125 f/s in room temperature) * 1000 = time in ms. Keep an eye on the subs to make sure they aren't bottoming out a d just keep playing with it until you find a setting you like best. Below tuning the enclosure "unloads" the pressure in the enclosure and it no longer acts as a spring. When I flipped the switch I could rarely see them move much at all. I have a totally restored Nikko Alpha II amp and a Nikko Beta 20 Pre Amp. I notice when I play a certain easy-listening RCA Living Stereo album that my woofers are doing a huge dance, moving in and out like crazy, where there is no real bass in the song being played. and I have a light on my amp that turns red when clipping and if that happens I turn the gain down. If I set it to flat, (fine for sealed) then it will not apply a filter and the sub could over drive when lower than tuning frequency. There was a lot of drone in that 60-80 Hz range. The current consumption is aound 5 mA. I have mine inside of my phono stage which is a project audio tubebox ds. Usually you want the high pass filter of your components set to the same frequency as you low pass filter of your subwoofer to eliminate phasing caused by the multiple drivers attempting to recreate the same frequencies Ok so 30hz on the subsonic and then on the LP filter start at 80. If your subsonic filter is set to 40 Hz or 30 Hz, notes will still get through but will be much quieter. What can you say? I restore older LPs with Audacity, ClickRepair, and my Mitsubishi LT-22 with an AudioTechnica cartridge. # Highest grade materials used throughout. Especially on some ported subs. If it's ported you set it 1/2 octave below the boxes tuning. Slowly turn the bass boost until a distortion appears then dial it back to a clear sound. I also always keep my Bass and Treble to 12:00 -Off. WebTurn your Subsonic Filter down to 10Hz then slowly turn up the filter frequency until you hear it take effect on your sub bass. WebGain setting Buttons marked with and set gain of the amplifier. Selected value is indicated by LED. Now, it gets a little more complicated. make the port 6% longer should tune it a little lower. You can select the subsonic filter frequency (frequency at which you want to begin filtering) and subsonic filter slope (the rate at which you want to attenuate the frequencies)., Receive exclusive offers and promotions. It may not display this or other websites correctly. November 2015 Therefore, to get your subsonic filter setting, take your subwoofers tuned frequency and multiply it by 0.75. it will attempt to quieten the notes that are below that frequency. A forum community dedicated to all mobile audio enthusiasts. For Home Cinema use, where an AVR is used we recommend LPF Bypass On. April 2017 In your case your filter goes to 35 so that's what you use. We recommend this setting for larger rooms. Technical & Advanced Car Audio Discussion. If it's sealed it can be opened up, low. Too many deep bass thuds can tax the limits of your woofer and cause it to wear out much faster than it otherwise would. First, you will need to It has very extensive dsp options and probably cheaper than selling your qsc amp and buying an inuke. So the question is. October 2014 After recording the entire LP and then running the exported AIFF file through ClickRepair, the next thing I do in Audacity is employ the Low Shelf filter set to 12 hz. It will also help reduce low frequency rumble and sounds from the listening environment. This website uses cookies to improve your experience while you navigate through the website. Check the level of each sub independently by turning off all of the other subs not under test. JavaScript is disabled. Right, or play tones lower and lower and when it unloads Is the hole for the speaker the only hole? A subsonic filter is a component on your subwoofer that reduces the intensity of notes which come through at lower frequencies. As far as LPF, it's almost the opposite of a subsonic. Thats a great way to find that balance we talked about above. Show more Show Frequencies blow 10 Hz are attenuated by more than 35 dB. So I decided to search the Internet and found your write-up confirming my experience. You can still turn on your subsonic even on a sealed box. CarAudio.com is the oldest and largest car audio forum community, since 2000. If 30hz seems too low, you can bring it up some. Join the community today and get started. The tuning frequency acts as a second high-pass barrier, but it does not replace the function of a subsonic filter. December 2013 So, if you already set the subsonic filter frequency to 20Hz, then setting the slope to 12dB/Oct will ensure that the signal has 12dB lower output at one octave under 20Hz (one octave below 20Hz is 10Hz). Feature highlights. The low pass can start anywhere above the low pass frequency of the It is very important that the capacitors C1, C2, C4, C5 and C7 are of exactly the same values in both channels. Possible settings are 40, 43, 50, 53, 60 and 63dB. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Somewhere from 50hz to 65hz is likely where you are going to want your crossover set. Not even close! If you're looking for extreme protection of the sub, then the higher slope (24) is better. You should set the filter at 20Hz, you can set it a tad higher, like 22-25, if you would like. when I run a movie I have to find the right setting because every movie sounds different. The typical Tschebyscheff resonance of 0.1 dB does not cause any distortion. OK, so if the port tuning frequency is 40Hz then your subsonic should be set to 40Hz which is pretty high. June 2012 If you set an 18 db/oct ss filter to 40 hz, then at 20 hz it will be 18 db quieter, the 24 db/oct would be 24 db quieter. We recommend measuring the distance to the subwoofer furthest away and adding delay to the remaining subwoofer(s) so that their delay is equal to the difference in distance between it and the furthest away subwoofer. My new ones should be better. Within that band, itll vary depending on your chosen music and the rest of your setup. The next step is knowing how to make your high-pass filter work for you. For the crossover. January 2015 March 2017 September 2012 A good point to set it is 25hz. I listen to vinyl on a Technics 1710 turntable. Thanks! January 2019 Building a ported sub using an alpine type R 15inch driver. Think of the filter as a slope, not an on-off switch. Too many subsonic notes can still damage your subwoofer. May 2012 House Grail is reader-supported. According to the description, it, While learning about different types of vibration sensors for condition monitoring, I came across a cheap piezoelectric shock/tap/vibration, What is the point of reviewing a cheap timer module, especially if it is based on the ubiquitous, The Raspberry Pi Pico W is a microcontroller development platform that combines the RP2040 with a Wi-Fi controller, Wireless battery charging is showing up everywhere. There are many DIY sub builders on the forum and they sometimes install a subsonic filter before the amplifier if they want to cut out certain low frequencies from the driver. I understand that high end gear might contain a subsonic filter option etc.. Ok I have the new 10w6v3 in jl audios ported square box and it fkn pounds but I just need to figure out how to set the sub to get best output. It may not display this or other websites correctly. The proper way to level match your subs is to use the internal pink noise generator of your processor and an SPL meter set for slow response "C-weighted". The number chosen here means the frequencies above will be filtered away to avoid high tones coming from your subwoofer nobody wants to hear Diana Kralls voice through the subwoofer anyways. Use a browser on any computer to play music and movies. My remaining question is should I leave this setting on while either listening to CD's or watching TV/movies? Electrodynamic "On a long enough timeline, the survival rate of everyone drops to zero." Come join the discussion about home audio/video, TVs, projectors, screens, receivers, speakers, projects, DIYs, product reviews, accessories, classifieds, and more! 3kHz to 3.5KHz. Were right there with you. December 2012 The difference in distance in this example is 1 meter. The subsonic filter is actually an active Tschebyscheff high pass filter of the fifth order. Most subs have a filter built into the plate amp to protect the driver from damage from super low frequencies that it can't produce. #4. you don't need to run a subsonic filter, if you tune your box correctly. The subsonic filter dampens all frequencies below where you set it so as not to unload your subs if you play a frequency below the port tuning. But opting out of some of these cookies may affect your browsing experience. I have no clue what I would like the best.. Good point the sealed could tame peaks better and room gain could get me to where I want to be.. I don't have it turned up loud enough to ruin my sub even at 10hz so I am not worried about that just wondering what the lower bass notes will be like tuned at 20hz. EDIT 2: Ah, and you dont need your woofer connected to do that 8 Reply blockrocker 3 yr. ago Yes, do this. This eliminates the bizarre subsonic sine wave almost all LPs have. If you are trying to find 65hz, just start cutting things in half. Now Available: Tech Talk Podcast with Scott Wilkinson, Episode 19 Click here for details. The Subsonic filter slope means at which rate the frequencies should be tapering off, from the frequency point chosen. I have a few test LPS and when I put it on the silent groove test I can see that my 15 inch (JBL L300 Moniters) sub moves a little with my amp which is a little weird cause my amp is supposed to cut at 20hz. My avr has very advanced room correction. If yes, you have a sealed enclosure. All rights reserved. Ill have to try and find something with a bit of a warp or wobble Cinema Room: LG 77" C1 | Xbox Series X | Zidoo Z1000 Pro | ATV 4K | Denon X4700H running Monitor Audio Silver fronts and rears, SVS PB-1000 Pro sub and Cambridge Audio Minx Min 22 Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. . 2-way speaker systems. For the LP I would play with that crossover a little, most think that the you should just set it to 80 Hz and leave it. You are using an out of date browser. Intelligent Induction Lamp Review & Teardown. My speakers have an in-room low extension -3dBs at 32 hz so I don't want to miss out on real bass reproduction. I have since added some more absorption to help counter a 60Hz suckout, (fiberglass batts under some end-tables) but nothing else. Web20 Hz subsonic filter. September 2015 EQ1 Gives a flat ground plane response to under 20 Hz, which will give great emphasis on the deepest bass in-room. WebSetting computer to higher frequency (352,8kHz or 384kHz) deactivate S/PDIF Out and allows to record in DSD128 format. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Set it and listen. Your one stop shop for all Trailblazer Suspension/Wheels. We recommend this setting for smaller rooms and/or to get a faster, more musical and punchy sounding bass. And what's your buddy's vehicle? The SQ turned out fantastic after some burn-in. August 2015 July 2012 VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. WebSetting up a subsonic filter requires you to determine the type of filter being used, the frequencies that need to be filtered, and the power rating. May 2015 Most all multichannel receivers have bass management. Subsonic . All contents are Copyright 2023 by AspenCore, Inc. All Rights Reserved. How to set a subsonic filter on a subwoofer? April 2016 The subsonic filter is actually an active Tschebyscheff high pass filter of the fifth order. If you have a ported box I would definatley keep the subsonic at 30 Hz. December 2018 Selectable subsonic filter settings, that will filter away the deepest frequencies. With my IB subs I run 15Hz SS, it hits 20 just fine but I do have to EQ it up with these subs. The only thing you do need to know before we move on is that attenuation doesnt completely dampen sounds of a certain frequency. While filtering is important, this isnt necessarily a dealbreaker; it all depends on what kind of music you listen to. As the founder of House Grail, Pete's primary goal is to help consumers make educated decisions about DIY projects at home, in the garage, and in the garden. A forum community dedicated to home theater owners and enthusiasts. In your case the 10w6 I wouldnt go lower then 26-28hz on the test tone. Were here to help. Thanks for the responses, I guess I'll continue doing it by ear then. Message User. What high end receivers are you talking about with a subsonic filter? Keep an eye on the subs to make sure they aren't bottoming out and just keep playing with it until you find a setting you like best. I feel like with it on it gives a little less clarity and affects the highs a little less air,space. July 2014 That could help explain the disparity. Anything above 80hz makes the subwoofer easy to locate in the soundstage and you don't want that. I just finished up with the rebuild of my system (see sig) last weekend and when I was setting the dials on my sub amp before powering it up I set my subsonic filter to what I thought was around 20Hz. However, you might be the kind of audiophile whos more into hard numbers, or you may want a hint on where to start. The Fora platform includes forum software by XenForo. Typically, EQ2 setting will sound faster than EQ1 as it has a lack of output in the deepest bass which will give the bass a heavier sound to it. Mhycoal 3 yr. ago You should stick to sealed without a subsonic unless you have a DSP that can apply a Hpf to the signal its an older pioneer AVR and yes it has a room eq setup feature with a mic. The hertz scale is logarithmic. November 2018 The Subsonic is now correctly set. Sign up to newsletter and stay in touch with us, Copyright 2015-2023 Arendal Sound - All rights reserved. Report Comment. Magnepan, A SUBSONIC FILTER ISHIGHLY RECOMMENDEDIF YOU SPIN VINYL, USE PORTED SPEAKERS, AND WANT THE VERYBEST PERFORMANCE FROM YOUR ANALOG FRONT-END. Use WinISD to help you make proper sub and amp selections according to your listening tastes. When using bass-boost chance to burn subwoofer rises as clipping occurs much earlier. Thank you for this Charles! JavaScript is disabled. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. I setup my sub one time and have not touched it once since then (EQ'ed though). Deals As a very general rule of thumb, I usually set an infrasonic filter 1/3 octave below tuning frequency. I'm actually very happy with it! I do not have mine set at the moment, and I am afraid that if I do set it I will lose my lowest notes, as my understanding of the filter is that it rolls off everything below where it is set so as not to damage the drivers in a ported box. You set it just under where the mid bass speakers pick up. January 2014 It's at 20hz. April 2013 WebInstall the Subsonic server app where you keep your media. In other words, its what we know as a high-pass filter: a filter that lets through signals above a certain Hz threshold and attenuates any signal below that threshold. If either of those is true, read on, and well get just a little bit into the weeds. Check out the MTX Audio THUNDER1000.1 Thunder Series Car Amplifier for a great amp with a subsonic filter. Since its tuned at 20hz will that act as a subsonic filter for 10 to 15hz or not at all? 07-25-2005 at 10:34am. The best way I've found to set a SSF is to generate a sweep from 45 down to 10hz, about 60 seconds long, turn the subsonic up, then let that sweep Resolution was greatly improved with excellent transparency. Very common crossover frequency. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The subsonic filter is actually an active Tschebyscheff high pass filter of the fifth order. March 2022 Phase adjusting above will shift somewhat with frequency. when using subs in a vented box, you do want a subsonic filter, otherwise the subs will try to reproduce frequencies below the ports' tuned frequency, which is often 35-45Hz, and well above the lowest frequency the subs can hit (particularly since boxes are usually tuned For visual learners, the video below illustrates how low frequencies can distort a subwoofers cone alignment without a filter. A 20Hz high-pass filter (subsonic filter) can be switched in from the front panel to eliminate unwanted subsonics. You can also buy, sell, or trade your car audio gear with other forum members in our popular classifieds. Necessary cookies are absolutely essential for the website to function properly. If you have an amplifier, preamplifier, subwoofer, or any other unit with a subsonic filter, and you want to use it in a way that wont destroy it prematurely, you need to know what your subsonic filter is and how to adjust it. 20-30Hz high pass. I also have a vintage McIntosh 2200 amplifier which is a 20hz to 20kHz amp. Even among seasoned audiophiles, subsonic filters are a topic guaranteed to sow confusion. Ok. April 2015 I never run my sub very hard with movies otherwise the bass overpowers everything! WebEasy way is to leave everything hooked up, subsonic OFF, volume low, play deep bass like 28hz sine wave, turn volume up, as woofers start moving too much turn the subsonic If it is set to 30 Hz. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. But on low to midrange stuff like the Yamaha RX-V667, is there a subsonic filter on the sub output? Each octave up is twice as many Hz as the previous one, and dividing any frequency by 2 takes it one octave lower. January 2016 They have adjustable crossovers that can be selected for various speakers. I actually go into the movie if its an action movie and set the bass to match some explosions and then watch the movie so I don't have to change it during the movie. I also recommend putting a jumper in the subsonic filter rows. You have seen (and perhaps tried), Robotic collision sensors are crash protection devices that detect a crash before or during a collision. # Low friction, completely stable dual pivot bearing design for vertical movement. Subsonic covers the low end and will be set according to the subs enclosure. Tis sub has a 7.3ft3 box made of 1" MDF tuned @ 20Hz with a slot port that is 16" wide 3" tall x 39". June 2016 Your approach to adjusting your subsonic filter depends most heavily on whether your subwoofer is set in a sealed or ported enclosure. April 2022 Since the Hz setting on the subsonic filter is the start of a slope, not a cutoff, we want to set it higher than 20 Hz.