subsonic filter setting

Where you set your SSF will be somewhat dependant on how much power you are running, how large your enclosure is, and how much Xmax your driver has. It may not display this or other websites correctly. and I guess I don't run my sub hard enough because on "bass I love you" which goes down to 10hz I believe it doesn't move that much more than at 20hz. The next step is knowing how to make your high-pass filter work for you. If either of those is true, read on, and well get just a little bit into the weeds. CarAudio.com is the oldest and largest car audio forum community, since 2000. January 2016 This website uses cookies to improve your experience while you navigate through the website. Very common crossover frequency. # New armtube incorporating bi-metalic technology to reduce resonance and increase rigidity. I never do anything close to that with my sub because I don't want to blow it. 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. Doesn't sound like it if you are constantly adjusting. When you buy via links on our site, we may earn an affiliate commission at no cost to you. And tuned @ 20Hz. Check out the MTX Audio THUNDER1000.1 Thunder Series Car Amplifier for a great amp with a subsonic filter. 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). Fascinated by all sort of tools, Pete loves reading and writing about all the latest gadgets and accessories that hit the market. We recommend this setting for smaller rooms and/or to get a faster, more musical and punchy sounding bass. These cookies track visitors across websites and collect information to provide customized ads. Michael MiguestJames LuongJohn WheelerJean NantaisKevin Barrett, March 2023 If you have a ported box I would definatley keep the subsonic at 30 Hz. 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. Verify the level equidistant for each sub. Technical specifications Pro-Ject Tube Box S2 Since you are tuned to 35hz, you can set the filter around 30hz to 35hz. My Sansui integrated had a "subsonic filter" which was labeled 14Hz, so I am used to calling it subsonic (and the OP called it a subsonic filter in the title). Edit. I usually just try to play the lowest hitting song i can find or some sine waves and turn it up as loud as i would have it then adjust it so it doesn't bottom out. June 2012 The difference in distance in this example is 1 meter. Tbone, the JBL amp has it's own low-pass filter built into the amp. That will be a pretty boomy system. Right, or play tones lower and lower and when it unloads could you suggest me an equivalent", "I found a lot of circuits that are very similar to this one and constructed one but for some reason", "hi can you pls mail me your pcb layout ,", "I have tried the same circuit for my AC motor. 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. This eliminates the bizarre subsonic sine wave almost all LPs have. AN ELITE CAFEMEDIA LIFESTYLE PUBLISHER. 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. This feature inverts the signal, which means the same as 180 degrees phase, however, this is true 180 degrees at all frequencies. It was set to Off so I flipped it to On and the woofer, while slightly moving, was moving dramatically less than when the setting is Off. For Home Cinema use, where an AVR is used we recommend LPF Bypass On. 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. For example, If your subsonic filter is set to 40 Hz, 30 Hz notes will still get through but will be much quieter. October 2015 If you have one we missed, let us know in the comments! Right you will have to port it lower, watch the excursion on low notes. I also recommend putting a jumper in the subsonic filter rows. 3-way speaker systems. If 30hz seems too low, you can bring it up some. 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. February 2015 In your case the 10w6 I wouldnt go lower then 26-28hz on the test tone. 20-30Hz high pass. Where this gets to be a bit more murky is in finding the best combinations of 1)number of ports plugged 2)room size setting 3)subsonic filter setting and 4)SPL for a given room. Ok. It is very important that the capacitors C1, C2, C4, C5 and C7 are of exactly the same values in both channels. It's not at all clear to me what you are talking about? The sweet spot for getting some pounding bass without destroying your subwoofer is between 25 Hz and 35 Hz. Setting the record level . Great advice with the test tone. The Low Pass Frequency is adjustable from 30 Hz to 160 Hz in 1 Hz increments. Doing this will enable you to Others have adjusted theirs at multiple volumes and havent noticed any difference. I have a sine sweep but have nothing to record the frequencty response and no eq either. 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. 3.5kHz high pass (tweeter) & 250-500Hz high pass (midrange) Subwoofer subsonic filter. Some people own amps with subsonic filter buttons that they never turn off for fear of breaking something. I wasn't able to find frequency response specs for these, but starting your low pass filter at 80hz is a good place to start. 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. These warps can produce frequencies well below 20Hz and can introduce distortion into your playback system. You can select the Where I would part company from you is considering budget constraints. You should set the filter at 20Hz, you can set it a tad higher, like 22-25, if you would like. March 2022 What can you say? Meters / Speed of sound (343 m/s in room temperature) * 1000 = time in ms. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Some bass units on the market dont have subsonic filters built in. (Optional) Get an app for your phone. But now have a new car, this will take a while to figure out. Support the12volt.com Back to Top bullseye753 Copper - Posts: 61 Joined: May 27, 2008 Location: North Carolina, United States (anthem arc) But I think I can only set the high pass as low as 20hz thus loosing anything below that.. I rarely touch sub levels. So if you have a SUBwoofer in your The best way is to do exactly what you are doing. Piezoelectric Sensory Switch Module An Afterthought, Updated 555 Timer Relay Module A Quick Analysis. Now, it gets a little more complicated. Use a browser on any computer to play music and movies. 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". Feet / Speed of sound (1125 f/s in room temperature) * 1000 = time in ms. Thank you for this Charles! WebTurn your Subsonic Filter down to 10Hz then slowly turn up the filter frequency until you hear it take effect on your sub bass. If your components will play lower efficiently then you can go lower than 80. 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. A subsonic filter is a component on your subwoofer that reduces the intensity of notes which come through at lower frequencies. For a better experience, please enable JavaScript in your browser before proceeding. Especially on some ported subs. OK, so if the port tuning frequency is 40Hz then your subsonic should be set to 40Hz which is pretty high. My sub with my port had 111db at 15Hz and 116 at 20Hz. We also use third-party cookies that help us analyze and understand how you use this website. Most all multichannel receivers have bass management. Join the community today and get started. Copy Comment URL. You might try this: lCol = objNavigation.Where The subsonic filter is actually an active Tschebyscheff high pass filter of the fifth order. To remove this unwanted low frequencies, subsonic filters like the circuit featured here is used. JavaScript is disabled. If you want a little less rolloff, go with an 18 or 12db. It has a cutoff frequency of 18 Hz. Thats where all the bone-shaking, window-rattling fun is! On/Off. I restore older LPs with Audacity, ClickRepair, and my Mitsubishi LT-22 with an AudioTechnica cartridge. # Highest grade materials used throughout. You have seen (and perhaps tried), Robotic collision sensors are crash protection devices that detect a crash before or during a collision. Thanks for your advise on this topic. December 2016 Originally a subsonic filter was designed to catch recording errors and frequencies below 20hz hence "subsonic" that could possibly damage your subs. I have never heard of this. I setup my sub one time and have not touched it once since then (EQ'ed though). Regrettably, the motor is running at a constant", "What changes are required in order to feed audio instead of microphone", "Author's Note: More information about the AZDM01 turbidity sensor used in this project can be found", "i looked at some of the circuits at this site and found them to be Is the hole for the speaker the only hole? JavaScript is disabled. 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. So, if you already set the LPF frequency to 100Hz, then setting the LPF Slope to 12dB/Oct will ensure that the signal has 12dB lower output at one octave above 100Hz (one octave above 100Hz is 200Hz). Magnepan, A SUBSONIC FILTER ISHIGHLY RECOMMENDEDIF YOU SPIN VINYL, USE PORTED SPEAKERS, AND WANT THE VERYBEST PERFORMANCE FROM YOUR ANALOG FRONT-END. 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. You can also buy, sell, or trade your car audio gear with other forum members in our popular classifieds. Frequencies blow 10 Hz are attenuated by more than 35 dB. The typical Tschebyscheff resonance of 0.1 dB does not cause any distortion. I will definitely take a look at the Nyquist shelf filter. The push button turns on and off subsonic filter . I tend to spend more time up front getting it where I think it is good, by testing like you do, with a variety of music and movies and adjust for probably a few weeks until I get something that suits my needs. 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 is adjustable 6dB/Oct or 12dB/Oct. They're right- the answer is No. Not even close! You're not going to blow up your car playing below tuning. Just don't be reckless with it. SSF @ 25hz is fine. The current consumption is aound 5 mA. EQ3 One octave above the EQ1 setting, so for example if on EQ1 the subwoofer has a +-3dB point of 16Hz, the EQ3 setting will have a +-3dB point of 32Hz. Most amplifiers have a 12 dB crossover slope on the LPF, so if you set the LPF higher, you will get punchy bass and it will hit very hard, but if you keep it at 60-80 Hz you will get smoother lower more pleasant bass. The sub moves just a little at times and that when I put the system at MAX. As a very general rule of thumb, I usually set an infrasonic filter 1/3 octave below tuning frequency. Pro tip; Have a friend/wife/mom help adjusting the phase while you sit in your listening position. An electric arc lighter uses high voltage, I recently picked up a couple of microwave motion sensor radar modules. This filter has a very sharp cutoff character. These cookies do not store any personal information. If you pay attention, you will find that when it comes, The intelligent induction lamp is a cheap indoor motion sensor nightlight that comes in handy so you do, This post covers a few things about rechargeable electric arc lighters. The Fora platform includes forum software by XenForo. Hey everyone, Been a long time since I ran some sweeps of the system, last time was to check the seat to seat uniformity I achieved with multiple subs. What should my subsonic be set at? so I find where it sounds perfect and leave it there. (anthem arc) But I think I can only set the high pass as low as 20hz thus loosing anything below that.. Hi. Instead, the number you set the filter to represents the frequency at which it starts to reduce the intensity of the sound. The subsonic filter is a High Pass crossover. It's at 20hz. 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. http://www.klippel.de/download/Nonlin/Klippel_nonlinearity_poster.jpg, Advanced Forum Stats, Paid Registrations by. I have a totally restored Nikko Alpha II amp and a Nikko Beta 20 Pre Amp. That could help explain the disparity. I think this is a large generalization as every install(box, subs, power level, design, vehicle, etc) is different. It's one of those "rule of thum Sign up to newsletter and stay in touch with us, Copyright 2015-2023 Arendal Sound - All rights reserved, 5% Ambassador refund for existing Ambassadors. It is adjustable from 6dB/Oct to 24dB/Oct with 6dB increments. When I flipped the switch I could rarely see them move much at all. The subsonic filter should be set slightly below the tuning frequency of the port in your box. Think of the filter as a slope, not an on-off switch. If you arent sure which one you have, you can tell by looking at the box. How do you adjust a subsonic filter? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It will also help reduce low frequency rumble and sounds from the listening environment. My friend always says never use equilisers or add something in the chain of audio. Come join the discussion about home audio/video, TVs, projectors, screens, receivers, speakers, projects, DIYs, product reviews, accessories, classifieds, and more! 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. Adding the subsonic filter will ensure the subwoofer has less excursion in the deepest bass, and typically when filtering away some of the deepest bass it will sound even tighter. Turn the Low You are using an out of date browser. Hook up all four readers to the bus, and "talk" to the", "Update: I just found a great post that also explains more about the pressure sensor used in this", "Hey Dear:- March 2014 I keep them off if in a sealed Put on your favorite song and turn the volume up to your normal listening level. Receive exclusive offers and promotions. I also always keep my Bass and Treble to 12:00 -Off. Below tuning the enclosure "unloads" the pressure in the enclosure and it no longer acts as a spring. December 2014 To be effective, a subsonic filter has to be very steep - this allows all wanted frequencies to get through, and rejects those that will only cause problems. its a high pass filter for your subwoofers. September 2013 Massive output to 18hz ported vs output down to 10hz sealed but not as much output at 18hz and above. Set the LPF at 60-80 Hz. The Subsonic is now correctly set. its about time someone does a write up on this. thanks op.. sticky it, still waiting on sticky. now plz o wait, doign a noob thing here and e make the port 6% longer should tune it a little lower. Intelligent Induction Lamp Review & Teardown. My remaining question is should I leave this setting on while either listening to CD's or watching TV/movies? 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. If you dont like to crank your volume up that far, you might never notice any difference in subsonic sounds. Were right there with you. As a result power handling decreases dramatically and excursion is uncontrolled which could result in damage to the driver, specifically physical damage as a result of over excursion at even modest power levels. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. I listen to vinyl on a Technics 1710 turntable. This filter has a very sharp cutoff character. WebInstall the Subsonic server app where you keep your media. . December 2017 The short answer to your question is no. Now Available: Tech Talk Podcast with Scott Wilkinson, Episode 19 Click here for details. In connecting the subsonic fiter, remove the decoupling capacitor from the end module to avoid distorting the signal. Home Trials You're setting levels entirely by ear ? 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.. http://www.realmofexcursion.com/downloads.htm, System Design: Help Me Choose Equipment For My Car. Turn your Subsonic Filter down to 10Hz June 2016 That means the safest setting for its subsonic filter is half an octave below whatever frequency the port is tuned to. geolemon. Frequencies blow 10 Hz are attenuated by more than 35 dB. This helps avoid bad distortion since they cant handle deep bass. 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. Explaining that is beyond the scope of this Q&A, but if youre just now learning, you should tune your subs, and this video is a great explainer. December 2021 Webedited December 2003. Don't install suckage! Set the subsonic filter at about Fs or about 15% below the port tuning frequency (FO) whichever is higher. All contents are Copyright 2023 by AspenCore, Inc. All Rights Reserved. Were here to help. When simply playing records, I use my Sansui AU-517 integrated amps subsonic 16hz filter always. Set it and listen. 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. 1,773 posts. I also have a vintage McIntosh 2200 amplifier which is a 20hz to 20kHz amp. The blue LED above the button is illuminated when its on. April 2013 There was a lot of drone in that 60-80 Hz range. LPF covers the top end. June 2014 So thanks for taking your time to explain to us relatively few people who care about such thing! 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 Subsonic filter slope means at which rate the frequencies should be tapering off, from the frequency point chosen. How to set a subsonic filter on a subwoofer? January 2015 Too many subsonic notes can still damage your subwoofer. Check the level of each sub independently by turning off all of the other subs not under test. The frequencies below the crossover are sent to the subwoofer. Can you name them? and I have a light on my amp that turns red when clipping and if that happens I turn the gain down.