The "Bass Management Boot Camp" article about subwoofer setup that I wrote for the November S+V inspired an in-turn inspiring e-mail from reader Bruce Erwin. Your subwoofer is properly placed and setup. That's with passive subwoofers, though. These settings will give the AV receiver or pre/pro enough leeway to set the final sub level correctly during its auto-setup routine. The blending should sound clean and seamless. My e-mail convo with Bruce gave me some ideas and, ultimately, a method that's simpler than my original. Most subwoofers also have phase and low-pass filter (or LPF) controls. But it's not accurate to think of your sub and main speakers as being in or out of phase, except maybe at one particular frequency. Fluance . Add enough additional delay and the output audio wavefront cycles around and gets back in proper Phase alignment with the input electrical signal (or more properly, with the audio you are trying to match from the Main speakers). If you don’t know the frequency range of your speaker, use a subwoofer matching tool. If there’s a bass bump at the crossover frequency, adjust the volume to match your main speaker’s output. Bruce recalled his days setting up sound systems when he'd use a 1.5-volt battery to test subwoofer phase. Almost all of today's subs have built-in amps, so this method wouldn't quite work with them. If the sub and mains are out of phase, the woofer cones on the main speakers will move backward while the subwoofer cone moves forward, and vice-versa. It adjusts the waveform slightly, and that, in turn, changes where the peaks occur in the room. Privacy Policy, How to Set the Phase and Crossover Frequency on Your Subwoofer. If they were out of phase, he'd hear a double thump. Calibrating your Sub. That's good. “Pirates of the Caribbean: Dead Men Tell No Tales” Review, Bomb Squad Academy Review: A Puzzle Game and More. Direct Drive vs Belt Drive Turntable- Which is Better For Turntables? Still, it got me wondering if I could come up with a simpler phase check than the ones I suggested in the article, which required either measurement or careful listening. If you don’t know the frequency range of your speaker, use a subwoofer matching tool. That's because the phase of both devices changes with frequency. The Phase adjustment on the Sub works by adding ADDITIONAL delay. Set … Now it's time to level match it to … All Rights Reserved . Expanse Season 2: Why It's Fantastic Sci-Fi TV, Audeze iSine 10: Weird Looks With a Wow Sound, Just Cause 3: Kinda a Review, Kinda a Question, Creeper World 3 Review - This Game is Amazing, Epson LS500 4K Laser Projection TV Review, SVS Discounts 2000 Series Subs for Black Friday, Paul McCartney: Flaming Pie - Archive Collection Deluxe Edition, Buy Once, Cry Once: How to Plan Your AV Budget, Def Tech, Polk Audio Speakers Get IMAX Enhanced Certification, Making a Choice: AVRs vs. If your subwoofer and main speakers are in phase, the woofer cones on the subwoofer and the speakers will move forward and backward in sync at the subwoofer crossover frequency. They'll cancel each other's output. Listen for smooth transitioning between the subwoofer and the speakers. Separate Components, Focal Releases Aria K2 936 Floorstanding Loudspeaker, Jakko M. Jakszyk Balances Secrets, Lies & King Crimson, Nugs.Net Opens the Floodgates to Live Hi-Res Recordings, NAD Masters M33 Streaming Integrated Amplifier Review, Monoprice Monolith HTP-1 Surround Sound Processor Review, Polk Audio MagniFi 2 Soundbar System Review, The Replacements: Pleased to Meet Me - Deluxe Edition, Sony VPL-VW915ES 4K LCOS Projector Review, Workingman's Dead - 50th Anniversary Deluxe Edition, Harmony Elite and Pro 2400 Remote Control Systems Review, Making Tech History: 8K Video Replay Debuts Tonight at Levi’s Stadium, Epson Launches Under-$1,000 Home Theater Projectors, Anthem Unveils New A/V Processors, Receivers, Amps, Epson Announces Affordable Ultra Short Throw and Mini Laser Projectors. Next, adjust the gain (or volume). Craving Custom? should i do this method playing all speakers together (main+sub) or just in the sub? First, let me digress a little with an explanation about phase. Even if you can get them in phase at 80 Hz, they might not be at 100 Hz. We always try to get the best sound at the 0 setting, but the phase control can be a … To … And all you need to do it is a piece of free software and a meter you've either already got or can get for nothing. It's provided because the speakers and subwoofer sound best when they are in-phase -- meaning their woofers move in and out in sync with each other. That's bad. Adjusting phase on a subwoofer is very similar to what happens when you move it along a wall. If the sub and main speakers were in phase, he'd hear a single thump when he connected the battery to the wires leading to the sub's terminals. For SVS subwoofers with digital volume control, start at a setting of -15. Set the crossover point 10 Hz higher than the low end of your speaker’s tolerance range. Home Theater Speaker Wiring Tips, Diagram and Guide for 5.1 or 7.1 Hom... What is 180 Gram Vinyl, and Is It Better?