Still, who would have ever thought such an innocuous setting could have that kind of power? All Rights Reserved. Improvements in soundstage focus along with greater detail in the both the middle range and treble are already evident. Copyright © 1998–2020 Audioholics, LLC. Measure and equalize the subwoofer . What I didn’t cover is how best to connect a subwoofer if you choose to … This is a very important point and together with REL’s Active Bass Controller (ABC), ensures far superior system integration of the sub-bass with the main system. To qualify that statement, one should consider that a great subwoofer is a lot like a great quarterback. Simple and intelligently designed to eliminate the sound bumps and gaps that occur with competing subwoofers, these filters are exceptionally fast, ensuring excellent responsiveness from the subwoofer. (REL calls them “sub-bass systems,” which is technically accurate, but for now I’ll use the more common term “subwoofer.”) I have always had full-range main loudspeakers, from Infinity RS-1bs to Magnepan 20s, 20.1s, and now 20.7s. If the port is tuned relatively low (<60Hz), the port contribution at 80Hz will be negligible, so the math still works pretty well. Caveat Emptor Enjoy the Music, The easy-to-use, zero-compression, wireless system designed for S/510 and S/812. Integration with my Thiel CS 2.4 Loudspeakers is very good in my humble opinion. 25 Subwoofer has now defined a new benchmark that will be extremely difficult to beat. If you are connecting to a theatre system, you are already making this connection between the SUB OUT of your processor to the LFE input of the REL. Looking for musicality and seamless integration with my speakers and amp. The practical meaning of this is that a crossover at or below 120Hz is a relatively safe bet, but it can be worth experimenting with a higher crossover to see what works for you. Subwoofer Integration: Bass Management and Distance Settings Explained by Steve Munz — June 05, 2016. Since the main purpose of my system is reproducing movie soundtracks i decided to focus on the Q-series. Connecting via LFE/.1 (Theater only) When should I use the LFE/.1 input on my REL? With any given speaker, this also means that you potentially net an additional 6dB of displacement-limited output versus an 80Hz crossover frequency, as well as lower distortion at any given volume. The visuals should make it easier to understand the process of connecting a REL to your system. In simple terms, bass management filters out the low bass that would normally be fed to your speakers, and redirects that content to your subwoofer. 4. To live up to these lofty expectations, your subwoofer has to be properly integrated with the rest of your system. I have my LS50Ws hooked up to a REL T7/I with crossover at 70hz. Nice article Steve, but I always thought of the sub as a linebacker rather then the QB! Our award-winning home theater subwoofers with wireless capabilities elevate any system. Let us show you how to ensure you get the BIGGEST WOW effect! The S/812 enriches high-end stereo and theater systems with deliciously sumptuous natural bass, high quality construction, and gorgeous finishes. Got small speakers and a desire for bigger, better output? Even if the crossovers included in a subwoofer are great, actually using them is a different story with the cabling required. So you really have 2 choices, one is to get a processor or receiver capable of a 4th order high pass filter on the mains, I use an emotiva UMC 200 to achieve this but there are other ways. In 2007, the NaturalSound crossover was introduced to ensure seamless integration of the main speakers with Rel Acoustics subwoofers. AV Receiver Bass Management Basics – Settings Made Simple, Bass Optimization for Home Theater with Multi-Sub + mDSP, History of Multi-Sub & Sound Field Management (SFM) for Small Room Acoustics, Subwoofer Integration: Bass Management and Distance Settings Explained. While getting a subwoofer that extends to 200+Hz isn’t a major challenge, the topic of subwoofer localization is a bit more complicated. How to Set Up an AV Receiver Bass Management, HDMI and More YouTube Instructional. I have now owned the new REL T5 subwoofer for about a month and wanted to write a mini review of this subwoofer. The first sub they hooked up was a REL Q150E Mark II. Also purchased the Arrow wireless transmitter; it allowed location flexibility. I think this question was raised on the old site but can anyone tell me if you need a special cable made up to wire a REL subwoofer to a Nova for high level connection via the speakers? Not only do they do their job well, but they have the potential to significantly improve the performance of their supporting cast as well. About this item Experience home theater and music as the artist intended with the most award winning high-end subwoofer brand, REL Acoustics. If REL T5 or T7 is that bad, why are so many people who have them recommending them for 2 channel music application? QB = center speaker; a central player that gets all the attention, but it is nothing without a good team. Proper break in of the new REL subwoofer is proceeding as instructed with fine tuning of the system just around the corner. The most common configuration is the THX standard, which specifies a 12dB/octave high pass filter at 80Hz for your speakers, and a 24dB/octave low pass filter for the subwoofer. This is a very important point and together with the REL’s Active Bass Controller (ABC) ensures far superior system integration of the sub-bass with the main system. Free shipping on all orders. Once configured correctly my Ayon’s became very well fleshed out and richer in tonality through their entire frequency range. REL R-218 Subwoofer . REL’s T9i sits at the top of the Ti range and alike 99% of REL’s subwoofers is an infinite baffle design or closed non-ported box, making the unit very fast and expressive. As far as the subwoofer goes, we like to see a smooth response up to at least 200Hz to ensure a smooth blend between it and your speakers, even if users opt for a higher crossover setting. * These are recommended best practices for positioning a REL Subwoofer… Note, the distance reported by your receiver’s auto-calibration will be inclusive of any delay caused by signal processing happening inside the subwoofer (EQ, low pass filtering, etc. Everyone Recommends Using The .1 Input, Do I Really Need To Use The High Level Input? After the dealer listened to my speakers they understood why I was having problems with subwoofer integration. In addition to the subwoofer out, the LS50W app also does a couple of other things to make subwoofer integration simple and optimal. Not quite. REL defined the conditions for successful integration years ago by following three simple but hitherto elusive principles: High Level Connectivity To ensure no blurring or other sonic degradation to the main system, the solution is to connect the sub-bass system from the power amp. REL subwoofer connection. Goofy Home Theater Set Up. In addition, it is our experience that good placement as well as running a dual-subwoofer setup can also help reduce the effects of localization, particularly if those subs are adjacent to your main L/R speakers. This means that the characteristic of the bass signal from your main system is carried forward into the REL. So what happens if we bump up the crossover frequency? Starting At: £4,799.00 We’ve broken the How to Connect Series into Three groups Considerations Before Connecting, Connecting High Level to Various Type of Amps and with Stereo Pairs of Rels, and Connecting Low Level. Adding or subtracting a couple feet from the distance of your subwoofer is a viable way of getting rid of an ugly peak or dip around the crossover point. Measurements for subwoofer integration are done with the microphone at the listening position and pointed between the two speakers. This a huge deal: the implication is that instead of needing a pair of 5.25” woofers as seen in the aforementioned 4400 L/C/R speakers, you could get by with a single woofer assuming its power handling was up to snuff. Am I correct to presume this is the only method for high level connection? So the preferred method of connecting a REL subwoofer is by using the high-level, unbalanced, dual-channel (stereo) signal feed via the Neutrik Speakon cable which is connected to your amplifier's left and right channel speaker terminals. Built-in crossovers are less optimum, but easy and free. Experimenting with your receiver’s bass management and distance setting could be just the ticket. We touched briefly on subwoofers and speaker setup in yesterday’s post. The 2nd way is to bung your speaker in order to give it a natural 2nd order acoustic high pass filter which combines with a 2nd order high pass for your 4th order total high pass filter. Glancing at Atlantic Technology’s website, one can find several THX certified systems, ranging from their beastly THX Ultra 2 certified System 8200e down to the petite THX Select certified System 4400. If you want to skip a dedicated crossover, most subwoofers have built-in crossovers. Join our Exclusive Audioholics E-Book Membership Program! Now consider this system is only certified for smaller rooms up to 2,000 cubic feet. Integration with my Thiel CS 2.4 Loudspeakers is very good in my humble opinion. Therefore, for the moment, set aside everything you’ve been Just saying REL sucks doesn't really help. The REL R-218 is an Award-Winning, Music-Optimized, Compact Subwoofer - And It's Shockingly Great. Due to a Covid-19 exposure in our warehouse we are experiencing 5 day shipping delays. You clearly don't like the REL but do you have a constructive recommendation for another sub? When it comes to bass management, there’s no such thing as a one-size-fits-all solution. In modern A/V receivers and pre/pros, this is accomplished via the use of digital high pass and low pass filters. Set the LFE level on the REL to minimum to avoid interference and tape off the BLACK wire of the high level cable to insulate against accidental shorting. To Follow up on our How to Tune a REL powered subwoofer Series. Obviously the primary job of the distance setting is setting a delay relative to your other speakers. Also compatible with G1 Mark II. The Maggies are incredibly fast speakers in the bass section and need a subwoofer to augment the low end rather than just play all of the bass notes, and it must be as fast. PLACE 1. The Subwoofer's Own Crossovers . REL Acoustics T-7 subwoofer review. This small cabinet with only a 10" woofer delivers the deepest, tightest bass we've ever heard from a sealed REL.Much of the credit for this … While the combination of high and low pass filters utilized in bass management theoretically results in a smooth response, in practice the actual results can be anything but. Again, to make the most out of this tool, one does need the ability to take measurements. The visuals should make it easier to understand the process of connecting a REL to your system. Please check out our recently added YouTube instructional video that gives you step by step on how to configure your bass management settings before reading this article. Obviously no bass management or distance settings will turn a junk speaker into a great one; however, when considered in the context of overall system design, they can help create a system that is something more than just the sum of its parts. A good home theater is a team effort from all components! REL Set-Up Made Simple RELs are not traditional subwoofers, but true sub-bass systems. This is a very important point and together with the REL’s Active Bass Controller (ABC) ensures far superior system integration of the sub-bass with the main system. If you recall our article on the laws of the decibel, you’ll know that extending system response by an octave requires four times the driver displacement, or corresponding contributions from a port/passive radiator. REL receives exactly the same signal as the main speakers. At REL we make powered subwoofer speakers for stereo & home theater systems. available only at authorized retailers. Above and beyond this, the distance adjustment functions as a phase control of sorts. Check out the Tuning Videos after you have completed Connecting. Frequency response for the SVS SB13-Ultra. Corner positioning reinforces deep bass and produces more efficiency, output for a given volume setting. ), which can add several feet to the distance per your tape measure. These tools allow you to see in real time if you have any significant peaks or dips around the crossover point, and find the crossover frequency which yields the smoothest transition. Sign up and stay connected for exclusive deals. In this respect, experimenting with different crossover points can have a significant impact upon your system performance, above and beyond the benefits already mentioned. What is the Difference Between .1 and High Level Inputs? You let auto-calibration take care of this for you, or if you’re feeling particularly hands on, you might whip out the tape measure, right? Connecting High Level to Various Type of Amps and with Stereo Pairs of Rels. Developed by our engineers specifically for use with REL subwoofers to maximize the information available in the high-level connection. So, put on your favorite album, mix yourself a drink and kick back, you might be here awhile. Last but not least, any discussion of bass management has to include taking measurements. I evaluated the T7i like I do all subwoofers—an interwoven, three-perspective approach of assessing extension, integration, and musicality. However, approximately half the listeners couldn’t detect the subwoofer at the maximum crossover frequency tested (227Hz). How do I use LFE/.1 input? Suffice it to say, it takes a lot of speaker to get a lot of output with an 80Hz crossover, even in a smaller room. Have you already played the game of crossover roulette? These are small, powered subwoofers, benefitting from all the high-performance system integration and control you get from REL designs, but in a cube not much larger than a couple of shoeboxes. So REL products are engineered for integration into stereo systems. Unfortunately, there are a few downsides to raising the crossover frequency. This is a subwoofer with excellent integration at the handover to the speakers, and the overall performance is never anything less than composed, and free of any harshness or lack of control. We wanted to do the same thing for How to Connect. With respect to the THX standard, 80Hz makes a lot of sense when you take into consideration their entire ecosystem of hardware. The key is being able to measure those different responses with a tool like Dayton Omnimic, XTZ’s Room Analyzer, or REW. A word of wisdom: don’t underestimate the power of the distance setting in your A/V receiver. This means that the character of the bass from the main system is carried forward into the sub-bass. Proper break in of the new REL subwoofer is proceeding as instructed with fine tuning of the system just around the corner. REL Acoustics T/5i Subwoofer, 8 inch Down-Firing Driver, Arrow Wireless Port, High Gloss Black KEF LS50 Wireless Powered Music System (Black, Pair) ELAC Debut 2.0 SUB3010 400 Watt Powered Subwoofer… The easy-to-use, zero-compression, embedded wireless system for No.25, Serie S and Habitat1 that frees you from conventional cables. In addition, as the crossover frequency goes up, it becomes easier to locate the subwoofer by ear. Take care to turn the sub inward at approximately a 45-degree angle to obtain best release of low notes. REL is a British company that’s dedicated to making subwoofers, but not just any subwoofers. REL An example of such a subwoofer is the SVS SB13-Ultra, and you can peruse our full list of reviewed subwoofers to see how they all stack up in this respect. We wanted to do the same thing for How to Connect. But, in my humble opinion, there are only a few contenders that can really deliver world class two channel performance and integration. After some enthousiatic stories about REL subwoofers i decided form my own opinion. Today we’ll be going in depth for two settings that can make or break that process: bass management and the distance setting. Things did not start off too well with my acquisition of this sub, my dealer was back-ordered over a month and apparently the supplier...Sumiko US, has problems with acquiring enough supply to meet demand. (See the User Manual for how to rename the input and output channels.) The purchase and delivery was without issue. So set the crossover in your receiver or pre/pro to 80Hz and you’re all set, right? If you’re a regular reader of the site, you’ve probably seen us claim that subwoofers are one of the most important pieces in an A/V system. Low Level Input: The Low level input is rarely recommended over the High Level input, however this connection method still produces amazing low end and seamless integration. Which makes the REL T-Zero all the more vital. This is a very important point and together with REL’s Active Bass Controller (ABC), ensures far superior system integration of the sub-bass with the main system. A port functions as a Hemholtz resonator, adding output over a relatively narrow bandwidth. The company is into good subwoofers, the kind that are intended to make music, not go boom. To implement subwoofer integration, set up the routing as shown in this screenshot. Get the Audioholics AV Gear Guide Ebook FREE! A Word On Ports: As mentioned, ported speakers will tend to throw off the math a little bit. Not too shabby for a setting that takes a second or three to switch. Improvements in soundstage focus along with greater detail in the both the middle range and treble are already evident. p.s. In extension the REL was as good as its word, descending with authority into the low thirty-cycle range and perceptibly lower as it rolls off. Following in the footsteps of the Arrow™ and Longbow™, HT-Air™ delivers premium Home Theater sound removing long lengths of costly, cluttered cables. At an MSRP of $7500 each, the current flagship REL No. JohnF January 29, 2019, 1:37pm #1. In some ways I’m an unlikely choice to write a subwoofer review. October 12, 2017 by Paul McGowan. The THX Select certified Atlantic Tech 4400 L/R speaker is a pretty heavy duty piece of equipment for a <2,000 cubic foot room. In the case of a relatively modest bump in the crossover point from 80Hz to 120Hz, you’re still cutting driver displacement by more than half. It improves the overall listening experience. Confused about what AV Gear to buy or how to set it up? Even with the less costly System 4400, you’re looking at L/C/R speakers boasting dual 5.25” woofers in a relatively large, sealed cabinet; that’s a pretty beefy speaker compared to your average mini-monitor. My findings re integration and tonality would concur wholeheartedly. Failure to get these adjustments right can adversely impact the sound quality of your home theater and its ability to reproduce the rumbles in action sequences of blockbuster movies. 99% of receivers/processors use a 2nd order high pass filter and most speakers these days are ported so they don't work correctly. How to connect your REL via Low Level ; Step 4. Brian Benitez Friday, June 8, 2018. Not all subwoofers offer enough top end extension to allow for a 120Hz+ crossover. Hi-Fi Corner. Added one REL T/5i to my hi-res stereo system. Frequently Asked Connection Questions. Surprised that there are no replies to such an easy tweak, so anyhow here is my experience. Plug in and play, zero-compression wireless system for Serie T/i that eliminates the need for costly and restrictive cables. We’re aware of at least one AES paper on the topic, #6431 “Detection of Subwoofer Depending on Crossover Frequency and Spatial Angle between Subwoofer and Main Speaker.” That paper has several useful conclusions to keep in mind. Make sure to report your experiences on our forums. Steve Munz is a “different” addition to Audioholics’ stable of contributors in that he is neither an engineer like Gene, nor has he worked in the industry like Cliff. The T/5i is a quality product. The best way to connect a sub Join Our Community Subscribe to Paul's Posts. Check out the videos below. If you’re a regular reader of the site, you’ve probably seen us claim that subwoofers are one of the most important pieces in an A/V system. With the pair of filters in place, you theoretically get a smooth transition through the crossover region (assuming your speakers also exhibit a 12dB/octave natural rolloff), as seen in this example: Bass management of the Denon AVR-X5200W in actionNote: levels were not matched while taking this measurement. Of course, there’s one small catch. Official online store. For the tested listeners and samples used, 120Hz (with a 24dB/octave slope) was the maximum crossover they could use without anyone detecting the subwoofer. Seriously, how important can this be? A REL is designed to augment the performance of “full range” speaker systems, to provide linear response down to below 12 Hz (Studio III, -6 dB down at 9 Hz). This is a great article the only thing I would add is the importance of your speaker having a 4th order high pass to blend with the subwoofer. We’ve broken the How to Connect Series into Three groups Considerations Before Connecting, Connecting […] First, REL believes that the subwoofer should get its signal from the exact source driving the main speakers, for best integration with the audio system. REL is at the top of my very short list of these brands. “Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans”. REL Acoustics T/9i Subwoofer, 10 inch Front-Firing Driver, Arrow Wireless Port, High Gloss Black SVS SB-3000 Subwoofer - 13-inch Driver, 800W RMS, 2,500W Peak Power, DSP Control App - Premium Black Ash Articles is our blog where we share insights, information and opinions on subwoofers, hi-fi systems and the joy of sound. Second, the Studio III's sub-bass range eliminates the need for a high-pass filter to roll off the main speakers. To Follow up on our How to Tune a REL powered subwoofer Series. For optimal performance, you need a measurement system like XTZ’s Room Analyzer II. In fact, Steve’s day job is network administration and accounting.
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