I was told 25-30 Hz but I am not totally sure. You can select the If youre a true bass-head, you might be incensed at the idea that youd want to cut out subsonic frequencies. its a high pass filter for your subwoofers. If it's sealed, turn the subsonic all the way down to 20. Right, or play tones lower and lower and when it unloads For the crossover. January 2015 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. Copyright 2023 House Grail. It It may not display this or other websites correctly. That means the safest setting for its subsonic filter is half an octave below whatever frequency the port is tuned to. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Thanks! That could help explain the disparity. Slowly turn the bass boost until a distortion appears then dial it back to a clear sound. Originally a subsonic filter was designed to catch recording errors and frequencies below 20hz hence "subsonic" that could possibly damage your subs. We recommend leaving the phase at 0 degrees when using an AV-Receiver/Processor with time alignment (speaker distance) feature. A forum for all things Trailblazer SS including mileage, horsepower, transmissions, interior mods, tires and more! You could get a minidsp if you don't want to buy a new amp. It decreases the amplitude of those low notes you feel more than you hear. What do I set my subsonic filter to? - TimesMojo Especially on some ported subs. Sign up to newsletter and stay in touch with us, Copyright 2015-2023 Arendal Sound - All rights reserved. Play some music with a steady bass beat, and when you hear the most amount of bass, the phase is correctly adjusted. In connecting the subsonic fiter, remove the decoupling capacitor from the end module to avoid distorting the signal. April 2017 The subsonic filter is actually an active Tschebyscheff high pass filter of the fifth order. Dayton Audio SPA250DSP 250W Subwoofer Plate Amplifier You are correct in the presumption that subsonic filters provide a level of protection from over excursion. 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 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. Hi. My sub with my port had 111db at 15Hz and 116 at 20Hz. My port is 16" wide x 3" high and 39" long. 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. 3-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. 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.. 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 You can still turn on your subsonic even on a sealed box. If your subsonic filter is set to 40 Hz or 30 Hz, notes will still get through but will be much quieter. 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 Are you using any kind of EQ on it or have you at least taken any sweeps of it in your room? What is this? We absolutely love the feeling of low notes thudding through our whole bodies, but we love something else just as much: not having to replace our subwoofers once a month. If either of those is true, read on, and well get just a little bit into the weeds. I also have a vintage McIntosh 2200 amplifier which is a 20hz to 20kHz amp. Join the community today and get started. 4. subsonic filter 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. Subsonic covers the low end and will be set according to the subs enclosure. Great advice with the test tone. Your subsonic filter should be set at 30.12hz, which is the max free air response of the driver. The Fora platform includes forum software by XenForo. For a better experience, please enable JavaScript in your browser before proceeding. Combine that with the purely basic frequency response of the amplifier itself and you're starting to get so low that a subsonic is almost unnecessary. What Is a Subsonic Filter | Arendal Sound It has very extensive dsp options and probably cheaper than selling your qsc amp and buying an inuke. http://www.klippel.de/download/Nonlin/Klippel_nonlinearity_poster.jpg, Advanced Forum Stats, Paid Registrations by. The beat way is to do exactly what you are doing. Were right there with you. JavaScript is disabled. Audio Zen Phono Stage Review & Comments November 2014 . This feature inverts the signal, which means the same as 180 degrees phase, however, this is true 180 degrees at all frequencies. Setting the gains, x-over, and subsonic filter Low subsonic frequencies, especially 20 Hz and below, damage the structure, so we want to attenuate them as much as we can. you can build the box so that it does not happen. I listen to vinyl on a Technics 1710 turntable. JavaScript is disabled. Turn your Subsonic Filter down to 10Hz I have ported speakers; Ascend Acoustics Sierra 2 EX. 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. Message User. It decreases the amplitude of those low notes that you feel more than you hear. SubSonic .Filter() in memory filter - Stack Overflow February 2016 February 2015 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. 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. The best way is to do exactly what you are doing. If you have a ported box I would definatley keep the subsonic at 30 Hz. All rights reserved. Subsonic March 2019 February 2023 The maximum useful frequency is 3 MHz. Don't install suckage! 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. 2-way speaker systems. Therefore, to get your subsonic filter setting, take your subwoofers tuned frequency and multiply it by 0.75. 4. when I run a movie I have to find the right setting because every movie sounds different. January 2019 As for the subsonic filter, Ive tried both settings and cant hear a difference. This filter has a very sharp cutoff character. April 2013 The blue LED above the button is illuminated when its on. October 2015 Ok. Subsonic Audio Filter Circuit - ElectroSchematics.com 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 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. Subsonic Audio Filter Circuit Tech Talk: Setting Sub Amp Crossovers - DD Audio The value you filter against needs to be the Property Name, not the database column name. 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 As a very general rule of thumb, I usually set an infrasonic filter 1/3 octave below tuning frequency. How to set a subsonic filter on a subwoofer? 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. So it's so hard to tell if it's better. In off mode the amplifier has an 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. Now when I use my subsonic filter my sub moves much less but!It's been 1 year I'm debating if I should use this filter because Im pretty sure my system sounds better with the filter off. So if im tuned to 33hz, I set my SF to 25hz? Great info by the way!! Not even close! August 2013 Turn the Low Setting the Subsonic Filter and Bass Boots. 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). http://www.realmofexcursion.com/downloads.htm, System Design: Help Me Choose Equipment For My Car. Your subsonic filter should be set at 30.12hz, which is the max free air response of the driver. 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 Subsonic Filter Settings 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. 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. You must log in or register to reply here. Thanks for reading, and as always, feel free to sound off in the comments below. 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. The Low Pass Frequency Slope means at which rate the frequencies should be tapering off, from the LPF Frequency point chosen. 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. For a better experience, please enable JavaScript in your browser before proceeding. March 2015 Example: 2 subwoofers in the same room, one subwoofer is placed 4 meters away from the listening position, and the other is placed 3 meters away. Even among seasoned audiophiles, subsonic filters are a topic guaranteed to sow confusion. It will also help reduce low frequency rumble and sounds from the listening environment. If you are trying to find 65hz, just start cutting things in half. | House Grail I flipped it on and off multiple times just to confirm my observations. Pioneer 880PRS~boston comps/alpine coax on Kappa 4 Z~back to Alpine mrd-m500 v12 on pyle 15s IB. WebSetting subsonic filter Tech Support I have a 12-in ported subwoofer box, the box is tuned to 31.7. A subsonic filter is a component on your subwoofer that reduces the intensity of notes which come through at lower frequencies. The Fora platform includes forum software by XenForo. WebGain setting Buttons marked with and set gain of the amplifier. 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. that goes for both sealed and vented. I have never heard of this. For a better experience, please enable JavaScript in your browser before proceeding. Receive exclusive offers and promotions. 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. Audiogon Discussion Forum So in this case the closest setting will be 3ms. Subsonic Filter As far as LPF, it's almost the opposite of a subsonic. Show more Show These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Not a 3" round port. 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. 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.