Rew subwoofer placement. Subwoofer placement myths.
Rew subwoofer placement I then raised it to When taking REW readings for finding the best subwoofer location, should I be taking the subwoofer only readings, or subs + FL, subs + FR, and FC readings? Super interesting to see how the commonly recommended mid-front/back wall dual subwoofer placement is really not very good for my room compared to a lot of the other spots. (even/uneven) placements responses would be, based on the listening Subwoofer Placement: I would like to try the ¼ Wall Placement method for the 2 subwoofers in the living room, as this may make the most sense for this room. Looking to get some advice on what you guys think would be the optimal subwoofer placement, and if I would benefit from 2 subwoofers. With the miniDSP UMIK-1 or UMIK-2 USB measurement microphone, you have an easy way to get started with acoustic measurement: to optimize and equalize your subwoofer, to correct for room effects, or even to design your own speakers! Each UMIK is individually calibrated for accuracy. Save Share I'm experimenting with subwoofer placement with subwoofers in the same spot but firing forward vs sideways. The first option would require purchasing a mic and the second option doesn't. The audio measurement and analysis features of REW help you optimise the acoustics of your listening room, studio or home theater and find the best locations for your speakers, subwoofers and listening position. Do you want an easy way to figure out the best subwoofer placement in your room using REW? Then you've come to the right place! In this video, I'll walk you through how to use REW to measure REW (Room EQ Wizard) is a Java application for measuring room responses and countering room modal resonances. If you are measuring a subwoofer, your sweep will start much lower and end around 200Hz even bass across all your seats, follow our placement guidelines for the other positions in our article I have spent hour and days trying to optimize my subwoofer placement and response. Subwoofer is crossed over at 80hz via the amplifier crossover. Then, keeping sun one in place, put sub 2 in multiple locations, measuring each time as a sum with sub 1, until the best spot for sub 2 is found giving the best dual placement. 9 HD progressive 16x9 Sightline screen, Apple TV 4K, HDFury It sounds good, and the REW measurement show it to be very flat everywhere except one spot ~73Hz. Only show this user Note: The use of REW and MiniDSP is the best tool to use for results, at the expense of a stiff learning curve that is above my level at my age for not growing with I was wondering if anyone could offer general advice for my current living room setup with my KEF LS60 Wireless towers + dual KC62 subwoofers to optimize sound quality. Only show this user The Microphone Positions controls set the distances for the additional listening positions from the main position. g. Only show this user My best sub position was just to the right of the AVR center inside of the R speaker. With both options I don't know what cable length to get. Modal analysis is crucial in identifying these standing waves. I’ve included the measurements of the room (in meters) in the picture and the placement of all my speakers. Then, you keep the best Awesome subwoofer REW calibration tutorial. If the sub has a dedicated LFE input, use that one so you can bypass the internal LPF and get better performance from the bass management in Correct your speakers with REW, UMIK-1 and Equalizer APO (Room Correction Tutorial)-by Julian Krause-uploaded Mar 13, 2019 Do i measure a subwoofer independant from the whole Frequency response? We also recommend doing the subwoofer crawl to determine the best location for your sub. -Next step is adding MSO (multisub optimizer) into the mix. As a starting point, use the difference in the distance Using REW to adjust subwoofer phase. Might allow you to getter a flatter response, but it’s really not bad. Corner Placement: Placing the subwoofer in a corner can increase bass output due to the reflective surfaces. Try, maybe 1, 2, & 3 ft in front of where you sit and maybe a couple of places Optimal subwoofer placement (within practical constraints) was determined iteratively using a calibrated microphone and Room EQ Wizard. Fig. Take measurements of each subwoofer at multiple locations with REW. Okay, I am new to the forums and new to home theater set ups. When I used REW's internal SPL to measure the subwoofer (sub cal) I measured 75d (same as speakers). Position is a bit limited. Bought a new SVS PB-1000 Pro, so that gave me Room Correction and PEQ filters to play with, the reason I got REW and UMIK-1. Any advice on placement, settings/EQ/DSP via the KEF Connect App, room acoustics/insulation/panel suggestions, etc would be much appreciated. Nobody's ears are going to pick out all the nuances of peaks and nulls throughout the subwoofer frequencies. I bought a UMIK-1 and started down the REW path but don't know how to interpret the results. By calculating and Where I'm at with REW and the miniDSP: - Place the microphone in the listening position at ear height, with the microphone pointed toward where I'll be looking while listening (straight ahead) and if you have one listening position yeah moving the subwoofers around a bit first is ofcourse optimal. Green driver facing left wall Blue driver facing in room Red driver facing right wall. This will give you a quasi house curve and should sound a lot better than flat. REW is free software for room acoustic measurement, loudspeaker measurement and audio device measurement. Thread starter Yorkshire Mouth; Start date Jan 9, 2024; Yorkshire Mouth Major Contributor. Now we know the difference between the subwoofers in distance is about 4ft, so I can add that amount of delay to the rear subwoofer (Position Subwoofers, their science and placement, are a solved problem insofar as a smooth response is concerned. 2 home theater, and have a questions about recommended in-wall subwoofer placement. I've just gotten a 2nd and 3rd sub. Like i mentioned, the only thing that bothers me at all is above 100hz. UMIK-1 + REW 2. The Problems That It Solves I’m in a very small room with many limitations on screen size and speaker/subwoofer placement If you have REW location is easy, just move it to each spot and read till you find a area with slight dips only or very narrow ones. Thread starter Gazaman; Start date Jul 29, 2021; Tags loudspeaker rew speaker placement Gazaman Prominent Member So what I want to do is use REW to help me determine the optimum position for my speakers and sub. (We want an equilateral triangle between the L/R speaks and the listener). They follow patterns. A quest which at one point in my early career felt like impossible. The room is opened at the left of the couch Where is the perfect microphone placement for subwoofer alignment? If we can only have one alignment point, but there are 800 seats in the theatre, does it even matter? "It does, because the differences over location aren’t random. This should be relatively easy to do. This layout gives an ok flat response in REW. The LFE output from REW is sent correctly to the subwoofers, as expected. . Plug your room dimensions and current placement into the room sim and star by moving Apologies for the shit PC drawing skills. Jump to Latest 255 Has anyone tried using an iPhone/Android app like HouseCurve for subwoofer room location placement instead of REW? HouseCurve looks easy to use and the mic built into the mobile device can be used. I'll be using it for music (2. One subwoofer in each corner also has good low frequency support, but does not perform quite as well as one subwoofer at each wall midpoint, in terms of Std, Max-ave and Max-min. Using REW to determine best sub placement - questions. Joined Dec 15, 2002 · 9,839 Posts #21 · Jan 21, 2023. In other words, the subs in the same room spot as in the pic, but experimenting with the subs facing forward towards the listening position vs rotating them outward towards the side walls. I have never used REW, but have read through the 'Getting Started with REW: A step by step guide'. Furniture moved significantly yesterday, so it was good to re-run everything to see how it changed. 77” C1, 3X BRX on VTI RF stands SB-4000, 6015 Marantz. Show Funny enough i had originally positioned my subwoofer in the same area as you're thinking now. Chrisrg82 Discussion starter. Subwoofer Placement. I assume ML's formula has influenced your main speaker placement for REW in the I ran REW after the crawls. In my experience I've had excellent results placing two subs against the front wall at locations of 1/4 the room width. Also included is the SPL and Phase. Place the subwoofer in your main listening position with the woofer at ear level. 5 shows some of the configurations tested, starting with one subwoofer configurations and ending with 18-subwoofer configurations. 2. The usual solutions are to (1) move the subwoofer to position it to counter the nulls as best as possible, (2) move the listening position out of the null, (3) add another sub to "drive" the null by countering the reflected wave, or Overall the bass response looks relatively flat and you have good position to position consistency for the kind of setup you have. Subwoofer placement covers a lot of differing criteria, and it certainly depends on the installation situation as well as the client appeal. If done properly, as can be assumed when GLM does it, subwoofers acoustic sum should already be pretty optimal. 1 setup (no treatment at all) to at least understand the basics of REW measurements (hopefully) before my actual home theater is finished So let's try the 1/3rd position combined with Position 9 (the right rear of the listening space). You gained a little moving but I'll bet those dips are way less pronounced in the original spot with a touch of smoothing, so not sure if they were all that audible to begin In my case (single T5/i) , its ideal position was along the right side wall, somewhat midway between the speakers and the seating position. This is a good starting Multi-Sub Optimizer (MSO) is a free Windows-based software program for optimizing the bass performance of audio and AV systems having multiple subwoofers. Save Share Reply Quote Like. For this example, the Right Surround speaker is the furthers speaker of the three from the MLP. Connect the "Sub Out" of your Receiver / Preamp Processor using an RCA or XLR cable into the input of your subwoofer. I have the same issue, sub is the size of a outdoor ac unit, no good places in the front. 2) Both subs have variable phase control. The subwoofer is behind the listening position. Dual SVS subwoofer placement 3. Determine which of your speakers is the furthest away from the primary listening position (the MLP). I ended up stuffing all 3 subs in corners due to my large space. REW uses a logarithmic sine sweep method and a basic explanation follows. i basically don't know whats it supposed to Purple line: subwoofer at its 'OEM' position and Umik-1 at the MLP. You'll want to take measurements By analyzing over 100 000 subwoofer configurations it was shown that for configurations of one to four subwoofers, location at wall midpoints is optimal. Volume Leveling I have used REW to volume level, my main speakers, individually to 75dB SPL. Thanks! Looks like you're pretty good at REW, so it shouldn't take long. If you can, put one subwoofer 25% off the That near field placement can act as a bit of a transducer. There was large narrow dip at 85-90 dB which I got rid of by You can minimize some room modes with speaker and subwoofer placement. Didn't change anything else except the position of the 2. Reply reply Run the sweeps in REW, set your target curve, equalize your bass to the curve then export the filter it generates to EQAPO. frequencies particularly well. Discussion starter · #41 · Jun 21, 2024. MiniDSP would In this video, I'll show you a pretty cool and easy time-saving method of smoothing out your subwoofer's frequency response at and around your crossover poin Subwoofers . Along with a UMIK-1 mic. My subwoofer placement is at 1/4 & 3/4 room-width on the front wall. Room tuning subwoofer fine tune position with REW - positioning a subwooferRoom tuning subwoofer fine tune position with REW - positioning a subwooferGetting Subwoofers, Bass, and Transducers I recently picked up a KEF KC62 that will be my first-ever subwoofer. If Subs have same delay is selected all the subs use the delay figure next to the check box, otherwise each Our ultimate REW tutorial guides you through taking your first measurement! In the above pic, we were measuring the output of a small speaker. Please see attached graph of frequency response and waterfall. Home Theater GurusFor r This is what mine look like - use a timing reference in your REW subwoofer sweeps and adjust the output channel delay for the closer sub in the miniDSP until the first peak for both subs is hitting your seat at the same time like in my image. 1 2 3. Subwoofer placement calculations. Jump to Latest I've seen YouTube videos of people using REW measuring different spots (I haven't used REW) the other common option is the sub crawl. Joined Dec 8, 2021 Messages waiting on some new longer cable and when I get them I should be able to 23 votes, 27 comments. I did a measurement of the subwoofer alone (mic at my listening position), before and after EQ. My couch is also closer to the center and I found a huge dead zone around 70 Dual Subwoofer placement ? Jump to Latest 21 - 40 of 40 Posts. REW Dual Sub Placement - Using Room Equalization Wizard (REW) to determine to best locations for dual Rythmik Audio F18 subwoofers. A different source position or different mic position will have a different transfer function. Dimensions for the room are I tried for position 1 and 3 also to change the phase of my subwoofers trying different manipulations. Placing a sub in a null will minimize it. That's strictly my left and right mains in stereo in my living room. Two subwoofers, at opposing wall midpoints, performs very nearly as well as four at the midpoints and gives a much better LF factor. 1K views 54 replies 8 participants last post by SantaOMG Jun 21, 2024. Two questions that I have: 1. 04ms. To make a measurement we need a sound source (a loudspeaker or subwoofer) and a microphone (SPL meters contain a microphone and many can be used Some subwoofer placement options give you a big head start in terms of getting consistent bass response across multiple seats, typically with fewer dips in response to deal with. So after helping dozens of guys align subs on a facebook page I moderate peer pressure has won with REW, it makes my life much easier. (and riser) and my single row now only has 2 seats (instead of 4), think I will re-figure out the proper sub placement with REW and then use XT32 and see what happens. Those line are averages from 3 reading for each position. Subwoofer 1: BK Electronics Monolith Plus FF Subwoofer 2: BK Electronics XXLS400-FF (not the exact same, but I got a great deal) Receiver: Denon x1500 (Audyssey XT, NOT XT32 or Dirac Live) MiniDSP UMIK-1 (Rest of the system are 5 bookshelf speakers and 2 ceiling speakers. Originally Posted by sdurani /t/1504085/nearfield-subwoofer-placement-questions#post_24044150 Plenty of people sit at the middle of room width in order to have a symmetrical soundstage. Figure 1c. There are many myths and "rules" about subwoofer placements. Now my question is How I optimize subwoofers in a system. When setting up subwoofers, one of the most common mistakes users make is relying solely on room correction software like Audyssey to correct subwoofer issues, without properly adjusting the physical placement of the sub beforehand. Before eq, I got around -0. 2 system, both in general knowledge and program interface navigation for testing. As far as my subwoofer position is concerned I only have about a foot of space to move my woofer around next to my front Subwoofer placement. Most people prefer their subwoofer near a wall if not actually in a corner. Other videos in series:Ryt The above has no subwoofer in the mix. You'll then want to place your seating in an area that avoids room modes that you can't correct with speaker/subwoofer placement. I have an odd shaped room with furniture placed in it so my options were "Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans" Good eve guys, I have attach my subwoofer REW response in the right corner of my room measured every 90 degrees on its axis. Without being too glib, the ideal placement for a subwoofer is the place that works for as wide a listening audience as possible. I have been relying on Audyssey but now wish to make sure my placement is as best as possible, then add room treatments, then run Audyssey, then add any additional EQ with MiniDSP. Joined Apr 26, 2004 · 1,027 Posts #21 · Jun 20, 2024. It didn't work well there as i though it was easier to locate (and the filter was adjusted below 60) while some frequensies above 50 where boosted. So 5. Last year I found myself wanting to study the effect of multiple subwoofers, so I wrote a simulation for rectangular rooms that supports up to 4 subwoofers and a pair of speakers. Okay, I'm completely new at REW and have read conflicting info on using REW. Watching Audissey corrections, seems that the corrections are pretty good, but i tried some Mic at listening position; Setup REW RTA and signal generator as shown below; Start signal generator and RTA and then adjust volume to achieve about 60 - 65 dB midrange sound level. 28 posts · Joined 2024 Add to quote; Only show this user #1 · Jun 20, 2024. Select main measurement, press control button and "Offset t=0" button, dial -10 and apply it. Use #1 to help identify best placement locations for subs. ** To obtain optimal performance from a REL subwoofer and extend the performance of your speakers, your main speakers must be setup properly. Lift the subwoofer up on your Boy, 180 sure is ugly, lol. Special measurement techniques Special procedures are required if we want other types of information. I recently did do an REW measurement and it was clear that My main speakers are positioned 1. Room Acoustics Software. Setting up a new 5. We have compiled a few REW tutorials that help understand the Here's the REW sub alignment walk through for those that may be interested. After eq, when I click on estimate IR delay, I got ~-17ms. BASSAHOLIC · Premium Member. If you have measuring equipment like REW, you may also test adjusting the subwoofer distance in the surround receiver Getting Started with REW: A Step by Step Guide Mini DSP Tutorial by Neutro. Jump to Latest I will be using REW/UMIK-1 to do measurements and something which I have not done before is a sub crawl so will give that a go. I'm wanting to run sweeps to find the best spot(s) in my theater for the subs. Without having REW, I would start in Put the subwoofer in your listening position and crawl around your room until you find where it sounds the best. In my case, I set an initial delay of 30 ms, and I found the subwoofer impulse peak at -10. I meaused the MLP at the left seat of the 2seated couch. While that ~73Hz response looks bad, I am wondering if it really translates to bad sound, at that frequency, to a listener. Speaker Controls allow a number of sources to be selected, including up to 8 subwoofers. These measurements will need to use an acoustic timing reference. Place the mic at the listening position (e. 1 2. Any experience or advice this configuration? JVC NZ3200, Da-Lite 106" 0. Reactions: T1G8RS_FAN and One of the biggest challenges every new generation of sound engineers appears to struggle with is learning how to phase align subwoofers to mains. Edit: it was pointed out to me that I forgot to read your post. I take a look at a new way to balance channels in a Dolby Atmos system, all using averages. Place the SPL meter (or if you Optimizing Subwoofer Placement with REW for Audyssey Room Correction in Denon and Marantz AVRs. No room correction from the AVR. 5. Label this "Center 65Hz - 95Hz". For information on how to do this, see the app note Auto EQ with Room EQ Wizard. Please update the first post or the description in the YouTube video with your room measurements and subwoofer location. But when i turn my LF+LR speakers back on I get cancellation issues around 65hz (Crossover 80hz / 90Hz). 8 ms, so my mains delay is 19. Using the locations identified in #2, experiment with various placement configurations to find the one(s) that result(s) in the best overall FR at/across the MLP. That is the most common positioning method for veteran players with a two-channel Hi-End audio experience. Jump to Latest Take the time to properly find and set up one sub location first with REW before finding the spot for the second sub. Black letters are options for placement. HouseCurve vs REW for subwoofer room location placement. Low frequencies between 20 Hz and 200 Hz interact differently with room dimensions, leading to standing waves—locations where bass frequencies either double in intensity or cancel out altogether. I have also bought an Umik-1 mic and downloaded REW to test speaker positioning, tuning in the subwoofer (positioning, crossover, phase) and the room. I plan to suspend a pair of sub under a open truss ceiling. I'm not sure if you have a way to do parametric EQ and base management with your current set up. Subwoofer setup with REW. Grab a microphone and measure your sub's frequency response throughout the room using REW. Blue is my TV. the roll-off for the speakers and subwoofer had to follow as closely as possible REW's targets for subwoofer only and bass limited speakers -- using my xo REW can be use for that to some extent, but a lot of the time a dedicated EQ/correction tool will do it slightly better and a whole lot easier. Chrisrg82 · Registered. 2 ms. I’m looking for help on my subwoofer placement in my room. so if your response from the two subs looks fine in REW, you can skip the rest of this and proceed to steps 3 and 4. Purpose is to align the signals in the crossover point using phase adjustment on subwoofer. 1). 1/4 W Placement Although this isn't spelled out in the CEA recommendation, Dr. 1) Measurement 1 was taken with my lone subwoofer in Position 1 (preferred). That distance is how far apart the L/R speakers should be. 983K subscribers in the hometheater community. I know Frantz is a strong advocate for Dr. Thread starter Fredd3; Start date Jun 14, 2024; Tags rew sub F. just Purple line: subwoofer at its 'OEM' position and Umik-1 at the MLP. I have 3 x 10" XTZ edge subwoofers that are illustrated with a yellow star. • Position the subwoofers in the listening position, play a 100 Hz or 80 Hz tone at medium volume and walk around the room until you find the location where it sounds loudest - that's the correct Ideal Subwoofer placement Tech Support Picked up a JL-E110 sub, not sure where we should put it, could shove it between the couch and wall, maybe on the concrete off to viewer’s right, any ideas appreciated I recommend the minidsp umik with REW software, I've used it many times. Earl Geddes's position on multiple subwoofer placement is, essentially, that three subs are needed and you don't need to put the subs at specified locations. Best approach would be to download REW, buy a microphone, and take a look at what's going on. Speaker placement using REW. For audio visual enthusiasts who want to bring an immersive experience into Subwoofers, Bass, and Transducers. In my situation, do I setup the Sub at MLP Speaker placement and subwoofer integration for a small living room using MiniDSP SHD + REW Hey everyone! First, I want to give a big thanks to everyone for helping me get this far-- there's an overwhelming amount of info online for integrating subs into a 2. I currently have Q Acoustics 3030i as my mains, Q Acoustics 3090Ci as my center, and Orb Mod1s for my surrounds. Room acoustics play For beginners though, I would just level match them, and run audyssey. The problem is that every room and setup is unique. For example I wouldn't understand the differences in the subwoofer responses in rew. Subwoofer placement, REW, Audessey and nulls. 1) and home theater (5. I've finally got around to tidying it up and including it in the latest REW beta release. At your main listening position you Place the subwoofer in the car, in the location where you're planning to place any subwoofer that you're going to build for the car. So the true answer is that there is no true or universal answer to this question. Fredd3 Member. This document contains the Getting Started Guide, the User Guide and technical information about MSO in particular and multiple subwoofers in general. I ran some measurements in DIRECT mode. Understanding the acoustics of a room is the first step to optimizing subwoofer placement. You will have to experiment with different subwoofer placements. Take a sweep from 65Hz - 95Hz (15Hz on either side of the crossover point). 2m out from the front & sidewalls. Once I'd identified the best (least worst?) measuring (but still practical) locations for the four subs, I employed a Xilica pro audio DSP "loudspeaker controller" on the subwoofers to further tidy up any Instructional Video: Easy Guide to Subwoofer Placement . Then I would either use REW or MSO (multi sub optimizer) to generate PEQs that you can put into your two DSPs to flatten out any issues you have from both As I learn more about REW and sound in general I have been experimenting with the Subwoofer placement and trying to find the best positions. To make a measurement we need a sound source (a loudspeaker or subwoofer) and a microphone (SPL meters contain a microphone and many can be used instead of a mic). In REW, configure measurements to use the Acoustic Timing Reference, and set the Timing I’m limited in placement but have a subwoofer in each tower speaker and a separate woofer so it really helped. The room simulator in REW suggests that might work. I am trying to fine tune the phase for a Rhythmic L12 and a near field setup. Those diagrams give you a head start. After I have found the best spot for Sub 1, do I leave it powered on when running sweeps for Sub 2 placement? Attached is a REW measurement from the best placement of the dual subs,one is at 0 phase the other at 90,if both are at 0 anywhere in the room, i get a massive 90hz dip. Reactions: ba_crane. I plan to go with 2x Klipsch RW-5802II (Dual 8"). I have recently set up a new system in a new dedicated listening room in my house. Before committing to something like the MiniDSP, get a microphone and REW, and measure your subwoofer(s). After that add about 3-5db(or more to taste) on the subwoofer trim in the AVR. 2421 posts · Joined 2005 Add to quote; Only show this user #1 · Jan 6, 2016 (Edited Subwoofer placement myths. Mic positions sort out the patterns and connect them together. Yes, mic was at ear level pointing at the ceiling. Measure from the new seating position to the center channel. A new Yamaha with YPAO RCS Multi coming soon, but for now, just trying to ensure my REW is What is the opinion on placing a subwoofer behind the sofa/couch in a single subwoofer setup? I live in a condo, a relatively small area where I can't have the bass slamming like crazy. Red are the speakers. As a result of delaying the main for 10ms, phase, IR and step shifted, and this is what I got: You can also use REW and AVR subwoofer distance to optimize crossover response (YT videos on this). Jump to Latest 41 - 55 of 55 Posts. TV: XR85X90CL | Sub: (2) TV1812 | Spkrs F/C/SR: Polk S55/S30/S10 | AVR Properly place your Home Theater Subwoofers and seats using a room mode calculator! Subwoofer setup | Home Theater setup done right. ( REW – Room EQ Wizard ) and a calibrated However, I calibrated the mic at 75db and the graphic shows around 72db at around 19Hz. No need for further manual REW + UMIK -tinkering, measurement and especially interpretation errors. Move the ceiling/height speakers forward to accommodate the new couch position. 2. This is by no means comprehensive, as we could REW uses a logarithmic sine sweep method and a basic explanation follows. Eq won’t really improve the consistency. At the moment although base seems to sound decent most of the time (calibrated last time using REW/UMIK-1/Audyssey Mult-EQ) sometimes with lower frequencies (like the T-Rex stomp Subwoofer placement help Install/Placement Is it safe to say that red beats green? Sub is an SVS PB-2000. so if your response from the two subs For subwoofer placement, they appear to follow Toole rather than Geddes, who have somewhat opposite approaches. Choose a spot where you get a good frequency response and good efficiency Bass Gurus, Newbbie question. * These are recommended best practices for positioning a REL Subwoofer, always refine placement and angle by ear. and then present the combined response of the dual subs to the AVR as a single "virtual" subwoofer. After you play with placement and setup with rew, then maybe think of a minidsp. 5 - hopefully I'm setting it correctly) I have not changed the setting/configuration from default. Room EQ Wizard (REW) as well as SMAART from Rational Acoustics have GLM detects & measures loudspeakers + subwoofers present in GLM network, applies filters, delays and gain compensations. Better subwoofer placement may help, but they are not something you can EQ away. I've found that using SPL to balance your channels gets things cl Recommended Placement Guidelines for Subwoofers. I should add that all EQ was disabled and the AVR's subwoofer output lowpass was set to 250Hz. The only solutions are to find a better position for the (single) subwoofer, or to use multiple subwoofers. The best way to learn it is to make as much measurement as possible at different position, different settings and different speaker placement and see how it affect the graph. Front of the Room: Positioning the subwoofer near the front speakers can help maintain sound coherence. Placed out in the room, the box will trip people up or impede natural foot traffic flow. Put one sub in your listening position, turn off all the other speakers, and move around the room, crawling, and listen for the best Bass response. Install/Placement Disable your subs, and using REW take a sweep of your center channel (use HDMI to plug in your laptop to your receiver and choose the center channel as the output). Assuming I want the curve as flat as possible, P-1 is my current sub placement, are P-2 and P-3 considered as But since you are comfortable with REW you can start with this front wall 1/4 and 3/4 placement, and adjust a little (mostly about seating location but possibly adjusting sub placement a little) based on measured results in the room. Tweak if/as desired. Subwoofer placement. Reactions: Hopinater. When I place subwoofers at the 1/4 and 3/4 position of my front and back walls, they behave and measure the exactly the same. Joined Apr 22, 2020 Messages 1,686 Likes 1,753 This, REW’s ‘room sim’ feature you can virtually drag everything around your room and My end game is to run Dirac but my understanding is that I need to get my phase and positioning of my subwoofer aligned beforehand. In this application note, we'll show you how to get up and running with the UMIK-1 or You can use REW to delay the start of the measurement to give you enough time to leave. For example: - if we want to know the bass performance of a subwoofer or speaker independent of the room. I am also open to using a different in wall sub. I also have a microphone (miniDSP UMIK-1)and REW software. Simply running REW to see the response and altering position of speakers as I can (within reason of the The subwoofer is currently at the room corner with drivers aligned front-back, and I plan to move it to the middle of the front wall for better stereo integration. I' ve been experimenting with subwoofer placement and doing measurements with REW. Use the REW Auto-EQ feature to flatten the subwoofer response around the crossover region. blake18 Discussion starter. Once you have the mic, you can move the subwoofer around the room to find the best frequency response. There seem to be some basic rules that apparently have proven to produce the best results: ****TIMESTAMPS BELOW****In this video, I finally try the different subwoofer methods that I have received responses on but this time I'm able to measure the My room is 20x12, which isn’t far off yours. Am I reading the chart right? If so, is the subwoofer itself generating those frequencies or is it the room? 2) Since I already played around with subwoofer placement, what other options do I have for dealing with the dip at around 50Hz. Speaker designers and reviewers need to know this. White is the rug. 3. Subwoofer Crawl. Red is front left corner between L speaker and TV. Always follow the setup instructions from your speaker manufacturer first, before setting Had my first go of REW Room Sim, other than the room size and sub spec (Arendal Sub 1. Placement Where is the best place to put your home theater subwoofer? Read our tips and tricks to get the most out of your subwoofer. Advice: move subwoofer(s) around the room, play the same Subwoofers, Bass, and Transducers. 1. Tags What I mean is to have the mic at the listening position, your computer running REW near the sub, send 10-250hz pink noise through the appropriate channel(s) covering the My preferred advice for subwoofer placement is to do the crawl. Take 1 While responding to some questions elsewhere over Sunday morning coffee I found myself with a decent summary on subwoofer optimization using Room EQ Wizard (REW) or other measurement systems like the Dayton OmniMic or XTZ Room Analyzer. Posted is a snapshot of the RTA using Pink PN with a sequence length of 64k, full range. In my room, there was more bass quantity in the corner behind the speakers (where REL advises us to start trying placement), but it was a bit too boomy and loud to my taste, and stood out too much. Brown is my chaise/MLP. I took a lot of time making phase adjustments to get a good response, and in my room (ymmv naturally) it Let's say you choose a 80hz acoustical (acoustical = as measured by microphone at your listening position) crossover and choose to have a 6-10db spl gain on your subs over your speakers. pretty bad results. Jump to Latest 11K Am looking to give REW a go to help me determine the best location for my sub - with my somewhat limited sub placement options. I will say it until my face turns blue: The best way to locate your subs is to buy a measurement mic and run some software like REW to SEE what is actually going on. This is software that analyzes REW measurements for each seat and EQs each sub individually (via miniDSP filters) plus does the time alignment to get the best/most consistent seat to Hi all, My system consists of a lyngdorf sda 2175 power amplifier, RME ADI DAC also used as pre, Dynaudio 52 Se speakers and Q acoustics 2070S subwoofer. So, "DIRECT" really doesn't do anything to the signals. There's no pressurizing the room for 20hz being audible at 100db for me, haha. I have volume levelled each subwoofer to 75dB SPL. As you can see, I have a 2seated couch opposite to my tv and a 3seated at the side. Joined Jun 20, 2024 · 28 Posts. Move the surround speakers to be just behind the listener’s position. It’s just been sitting next to my receiver for about 2 years doing its thing. They need to be organized in a particular way REW Measurements & Choosing Best Subwoofer Position Jump to Latest 2. Everything is centered and pointing at the MLP. noise is set to 75db with the rew generator with pink noise before taking the reading. I can connect my RME ADI DAC to the laptop and measure with REW. The distance between the two New to REW, picked up a UMIK-1 and have gone through many of the tutorials. With the current layout, I have a bass dead zone at the main listening position, which is annoying. Best position was the front wall but it was a big no no from the wife. However, this might also lead to boomy or muddy bass in some rooms. 6 Take the sub 1 and using REW, take measurements with it positioned in many locations until you find the best one. It's a two-step process consisting of a If your room is not a very large open-concept room REW's room sim could be of great value for optimal speaker/sub/ listening position. Green is opposite corner of room. Jump to Latest 21 - 40 of 55 Posts. What is recommended way to to identify optimal placement location to suspend the subs. See black Typical dual subwoofer positioning methods are shown in Figure 1 and Figure 2. Which one is the best placement and why? The easiest way to begin positioning the subwoofer in the room is to place the subwoofer towards one of the front corners, preferably one that does not have any openings near it. Red line: Subwoofer on I found a very helpful video that explained how to use the phase diagram in REW to figure out if you have the proper phase set on your subwoofer. The answer will be always be that its most likley that properly set up multiple subwoofers will provide a smoother response than a singe subwoofer. 2) I used REW's Time Alignment tool to simulate aligning the single subwoofer with a clone in the exact location as the first. Take the measurements in REW and go with the best frequency response based on the graphs. They can also be adjusted by dragging the crosses on the room view. As REW doesn't allow you to shift for more than 10ms at a time let's do that first. Load the measurements into MSO and run the optimizer. It will help you find out what exactly is going wrong and where by using it with REW. Eyeball the subwoofer impulse peak and set the cursor there, then read off the time at the cursor position. 1st one referring to the original position. The correct delay is then your initial delay plus the time of the subwoofer peak. Please note I can't actually physically locate front subwoofers in the front corners because of doors in these Some subwoofer placement options give you a big head start in terms of getting consistent bass response across multiple seats, typically with fewer dips in response to deal with. Jump to Latest 3. Geddes's approach. C. If such a position happens to offer perfection in its response, then With REW you can measure the overall room behavior, placements for subwoofers and speakers, crossovers, phase, impulse & frequency response, and a lot more. Doctor-mo · Registered. 8K views 14 replies 6 participants last post by Uniquorn Jan 27, 2022 Dual Subwoofer placement question . Toole references it in his book as a good solution for two subwoofers but suggests additional subwoofers may be needed. Adding nearfield is a good idea, quick, cheap, and easy, but you'd still need to integrate everything. . 4. Ceiling size is about 9M X 12M. I've found the REW simulations to be really accurate, it basically nailed my sealed rectangular room, but there are always slight Dual Subwoofer placement ? Jump to Latest 19K views 39 replies 13 participants last post by Flex1493 Jan 25, 2023 Optimal placement for subs is different for different people because we may have differing goals: - best placement for maximum, clean deep bass output level - best placement for maximum average bass output level - best placement for smoothest response at the main listening position You're using a miniDSP and REW? Multi-sub Optimizer is the best/state of the art way, don't need to bother with a manual approach. SFM can also compensate for the fact that the room may not be perfectly symmetrical (an assumption in the multiple subwoofer placement research). That makes it easier for us to try out. At 18 mins they start talking This is my first REW test, and I am testing it in my Living Room with 5. For best results: run MSO first with a Subs-only configuration, apply the Yet using the REW seems to indicate that 2 subwoofers in the rear corners of my room provides the best result. Since it seems like you don't have a UMIK, a sub-crawl with a REW sweep could help (your room is small enough that you could easily crawl around the entire area in a short time). In this article, I will disclose the method which has been working flawlessly for me in the past couple of years. You will have to experiment, and REW will be I have a room 4 X 5 metres and was told REW would help place subwoofers in the room and we could use it to calculate accurate positions. REW Room Sim -- do I have to config anything specific in REW to simulate a dual driver push-pull subwoofer? 2. Meaning they act more like one slightly bigger subwoofer, with the same basic curve and the same room nodes that lack bass. Subwoofer Placement Procedure. Jump to Latest 26K views 11 replies 3 participants last post by blake18 Jan 8, 2016. However, when running REW measurements to my other speakers (defined as "small" with 80 Hz crossover), the DIRECT mode does not crossover signals to the subwoofer. Can I use REW with only a Umik-1 from minidsp for this? This is a basic guide on how to calibrate multiple subwoofers in a home theater by optimizing positioning, levels, delay, bass management, and EQ using a FRE 3) Subwoofer placement is key. The subwoofers are positioned against the front wall. I am aware of the subwoofer crawl technique. Finalize placement, then run your AVR's (or pre/pro's) auto-cal program. 10. Red line: Subwoofer on couch, mic at the subwoofer 'OEM' position. Figure 1. yklfgv xqvnb yjrqozsb lexc ovizu jknp picqvwf yrsx cxms nmoum