Subsonic filter for my sub It will also help reduce low frequency rumble and sounds from the listening environment. For the crossover. A subsonic filter is mostly used in low frequency technology. That will be a pretty boomy system. Help with speaker placement 5.1.2 or 7.1 or ??? JavaScript is disabled. To remove this unwanted low frequencies, subsonic filters like the circuit featured here is used. 4. I never run my sub very hard with movies otherwise the bass overpowers everything! March 2019 Owner Stereo Integrity Co-owner Obsidian Car Audio Associate Sundown Audio December 2014 The current consumption is aound 5 mA. March 2015 April 2022 Subsonic filter with a sealed 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. You can also buy, sell, or trade your car audio gear with other forum members in our popular classifieds. All of HPF settings will very on how good your subs suspension is, some can play a mean free air and some will bump the backplate, lol. 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. How do you set up a subsonic filter? - Remodelormove.com April 2015 So if you have a SUBwoofer in your What Is a Subsonic Filter | Arendal Sound If 30hz seems too low, you can bring it up some. 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. This feature inverts the signal, which means the same as 180 degrees phase, however, this is true 180 degrees at all frequencies. http://www.klippel.de/download/Nonlin/Klippel_nonlinearity_poster.jpg, Advanced Forum Stats, Paid Registrations by. December 2016 AN ELITE CAFEMEDIA LIFESTYLE PUBLISHER. However, you might be the kind of audiophile whos more into hard numbers, or you may want a hint on where to start. This morning, I looked at my setting on the pre amp and saw a lever for On Off "Subsonic Fil". January 2019 I keep them off if in a sealed Best Phono Preamp Under $500 I cant find the SL100B Transistor, The difference in distance in this example is 1 meter. I'd love to", "I2C is a multi-address bus man. Slowly turn the bass boost until a distortion appears then dial it back to a clear sound. As only frequencies October 2015 geolemon. Set it and listen. For example, If your subsonic filter is set to 40 Hz, 30 Hz notes will still get through but will be much quieter. Its not important to understand exactly how theyre wired. 2. Even among seasoned audiophiles, subsonic filters are a topic guaranteed to sow confusion. subsonic filter July 2014 subsonic filter Think of the filter as a slope, not an on-off switch., Subsonic Filters are particularly important if you spin vinyl records as they can have possible warping that causes a phenomenon known as woofer pumping. A round port is 3" x 3". It filters out very low frequency content that can potentially send your subs to the moon. The Low Pass Frequency Slope means at which rate the frequencies should be tapering off, from the LPF Frequency point chosen. For medium large rooms and/or to suit your personal listening style, the EQ2 setting can be beneficial. Weve already mentioned that the main mechanic these subsonic filters use is attenuation. noooooo wayyyy. this has never been discussed on this forum ever. some good info for those who dont know i guess and who cant search. Your favorite music genres will push the limits of the low end. This eliminates the bizarre subsonic sine wave almost all LPs have. 5. 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 Anechoically "flat to 20Hz" vs May 2016 Too many subsonic notes can still damage your subwoofer. The only thing you do need to know before we move on is that attenuation doesnt completely dampen sounds of a certain frequency. low pass filters and Subsonic filter 07-25-2005 at 10:34am. . 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. Therefore, to get your subsonic filter setting, take your subwoofers tuned frequency and multiply it by 0.75. Set the LPF at 60-80 Hz. We recommend this setting for larger rooms. Setting the gains, x-over, and subsonic filter Thanks for your advise on this topic. What Is a Subsonic Filter & Why Should You Care? Your approach to adjusting your subsonic filter depends most heavily on whether your subwoofer is set in a sealed or ported enclosure. As a very general rule of thumb, I usually set an infrasonic filter 1/3 octave below tuning frequency. 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. 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 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. The low pass can start anywhere above the low pass frequency of the All rights reserved. It is adjustable from 6dB/Oct to 24dB/Oct with 6dB increments. its a high pass filter for your subwoofers. January 2013 December 2012 You set it just under where the mid bass speakers pick up. Since you are tuned to 35hz, you can set the filter around 30hz to 35hz. Since you are tuned to 35hz, you can set the filter around 30hz to 35hz. Tbone, the JBL amp has it's own low-pass filter built into the amp. As for the subsonic filter, Ive tried both settings and cant hear a difference. bad contacts- main source of miracles in electricity. WebSetting subsonic filter Tech Support I have a 12-in ported subwoofer box, the box is tuned to 31.7. If you have one we missed, let us know in the comments! Were right there with you. Help setting Subsonic filter!! : CarAV - Reddit My remaining question is should I leave this setting on while either listening to CD's or watching TV/movies? setting up subsonic filter and crossover? | Chevy Trailblazer SS other than a high pass filter set to 80hz. Selectable from 12 Hz to 31 Hz. Intelligent Induction Lamp Review & Teardown. SUBSONIC FILTERS | Stereophile.com (Optional) Get an app for your phone. 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. subsonic setting subsonic or infrasonic filter necessary I rarely touch sub levels. This feature comes in handy when you have several subwoofers in the setup and want to combine them on a single output from your source so that they have the same delay. Low subsonic frequencies, especially 20 Hz and below, damage the structure, so we want to attenuate them as much as we can. A forum for all things Trailblazer SS including mileage, horsepower, transmissions, interior mods, tires and more! Piezoelectric Sensory Switch Module An Afterthought, Updated 555 Timer Relay Module A Quick Analysis. Adjustable from 0 to 50ms in 0.25ms increments. | House Grail But if you understand how to adjust your subsonic filter and practice doing it right, you might reap some big rewards. 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. MY TURNTABLE is a thorens td 125 fully modded pretty quiet but I still believe not 100% sure that the subsonic filter degrades my sound a little. September 2014 September 2013 After listening to a few songs I realized that it wasn't getting as low as it should considering my box is tuned to 30Hz and my xover is set to 100Hz so I turned down the SS filter a little more and it sounded alot better. Multiple Subwoofer Right you will have to port it lower, watch the excursion on low notes. Subsonic 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. That could help explain the disparity. subsonic filter I adjust it because each movie has a different amount of bass so you have to set it up just right. Thanks for the replys. 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. The short answer to your question is no. "Let our rigorous testing and reviews be your guidelines to A/V equipment not marketing slogans", Get our latest product reviews and AV stories emailed to you weekly. However, you may visit "Cookie Settings" to provide a controlled consent. You are using an out of date browser. The subsonic filter is a High Pass crossover. 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. How do you adjust a subsonic filter? Weve now covered the purpose of a subsonic filter and how it works. Originally a subsonic filter was designed to catch recording errors and frequencies below 20hz hence "subsonic" that could possibly damage your subs. A sub sonic is for when your playing loud below tuning it helps keep the sub under control and not over extend or hit the back plate. July 2016 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. June 2012 Support the12volt.com Back to Top bullseye753 Copper - Posts: 61 Joined: May 27, 2008 Location: North Carolina, United States Below tuning the enclosure "unloads" the pressure in the enclosure and it no longer acts as a spring. Were here to help. What is this? Plenty of genres never get anywhere near the 50 Hz range. Doing this will enable you to 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. The best thing to do is have the sub have a range of frequency response curves to choose from, like SVS's Ultra subs or Hsu's subs. It's not at all clear to me what you are talking about? Should I Set My High Pass Filter To basically, if you tune the box higher, and/or you will gain some spl, but excursion increases below the roll-off. So I decided to search the Internet and found your write-up confirming my experience. February 2023 a power requirement! The phase shift is neglegible. 4. A subsonic filter is a component on your subwoofer that reduces the intensity of notes which come through at lower frequencies. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Great advice with the test tone. You should set the filter at 20Hz, you can set it a tad higher, like 22-25, if you would like. you can build the box so that it does not happen. If your components will play lower efficiently then you can go lower than 80. 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. 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. I also always keep my Bass and Treble to 12:00 -Off. Most often, the very low frequencies create distorsions in music recording or reproduction. 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 A SUBSONIC FILTER IS HIGHLY RECOMMENDED IF YOU SPIN of no electrical". What vehicle is this? This filter has a very sharp cutoff character. So in this case the closest setting will be 3ms. These cookies do not store any personal information. Pro tip; Have a friend/wife/mom help adjusting the phase while you sit in your listening position. Tony. Copy Comment URL. November 2015 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. Verify the level equidistant for each sub. I don't know what to say..to me 10Hz IS subsonic. Subsonic The button on the right side of a front panel turns on and off subsonic filter. My speakers have an in-room low extension -3dBs at 32 hz so I don't want to miss out on real bass reproduction. (anthem arc) But I think I can only set the high pass as low as 20hz thus loosing anything below that.. For stereo users you may leave this setting Off, so you can adjust the Low Pass Filter under the next step. Cheers! subsonic filter June 2015 Subsonic covers the low end and will be set according to the subs enclosure. PFM Subsonic Filter: The Epicenter Concert Series utilizes a PFM (Programmable Frequency Match) filter which will help with speaker control and amplifier power management. October 2012 December 2015 You're not going to blow up your car playing below tuning. Just don't be reckless with it. SSF @ 25hz is fine. Within that band, itll vary depending on your chosen music and the rest of your setup. But now have a new car, this will take a while to figure out. We also use third-party cookies that help us analyze and understand how you use this website. http://www.realmofexcursion.com/downloads.htm, System Design: Help Me Choose Equipment For My Car. Setting subsonic filter Not even close! They have adjustable crossovers that can be selected for various speakers. Set it and listen. 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. Feet / Speed of sound (1125 f/s in room temperature) * 1000 = time in ms. It will unload under tuning and xmax. Audiogon Discussion Forum CarAudio.com is the oldest and largest car audio forum community, since 2000. Well, with the box being not quite the right size for the driver, that's most likely why it never sounds quite right. For a better experience, please enable JavaScript in your browser before proceeding. Our Q&A covers all the big questions you might have about subsonic filters. I understand that high end gear might contain a subsonic filter option etc.. It is easy to set all you need are test tones and a multi-meter. So it's so hard to tell if it's better. Especially on some ported subs. They're right- the answer is No. make the port 6% longer should tune it a little lower. March 2012 Your subsonic filter should be set at 30.12hz, which is the max free air response of the driver. The typical Tschebyscheff resonance of 0.1 dB does not cause any distortion. Can you name them? You're setting levels entirely by ear ? Analytical cookies are used to understand how visitors interact with the website. winisd, cone excursion, subsonic filters Webfactory setting will suit you fine. In connecting the subsonic fiter, remove the decoupling capacitor from the end module to avoid distorting the signal. # New armtube incorporating bi-metalic technology to reduce resonance and increase rigidity. What I wanted to say is that amps sound the same. If you dont like to crank your volume up that far, you might never notice any difference in subsonic sounds. So the question is. Pete has been working in the trades since high school, where he first developed a passion for woodworking. Multiple Subwoofer Not a 3" round port. Sealed enclosures work just like weve described. 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 House Grail is reader-supported. Ultimately, I agree with you that that is a very good approach. For a better experience, please enable JavaScript in your browser before proceeding. 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. The sub moves just a little at times and that when I put the system at MAX. Right, or play tones lower and lower and when it unloads It has a cutoff frequency of 18 Hz. If On is selected, then the Low Pass Filter will be disabled. This power and flexibility is accessible via PC-GUI software and our innovative single-knob LCD control panel. This helps avoid bad distortion since they cant handle deep bass. Not only will your low-frequency sound be less distorted, but your expensive subs will also last much longer. Learn more OK, I'm convinced Show me the demo first Now Available: Tech Talk Podcast with Scott Wilkinson, Episode 19 Click here for details. May 2015 I remember watching my woofers move in and out (large excursions) without making a sound. If your subsonic filter is set to 40 Hz or 30 Hz, notes will still get through but will be much quieter. Feature highlights. 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). It's not always necessary but it really depends on the enclosure, subs, power, and what you listen to. February 2012, All Don't install suckage! The Low Pass Frequency is adjustable from 30 Hz to 160 Hz in 1 Hz increments. EQ1 Gives a flat ground plane response to under 20 Hz, which will give great emphasis on the deepest bass in-room. If you are trying to find 65hz, just start cutting things in half. Electronic synthesization can be murderous on speakers if they I've been using Audacity to create an annotated MP3 collection from my old vinyl and have been living with these subsonic artifacts, worse in some LPs than others. The Subsonic is now correctly set. to match the cutoff frequency and damping of any acoustic-suspension speaker and to set the bass boost and net damping.