You will hear a sine wave start at 150Hz and gradually decrease to 1Hz over the course of 60 seconds. This page contains a low frequency sweep and a series of tones for testing the response of subwoofers. Also you can locate problematic structures in your room, such as resonating curtain rails or furniture rattling at certain frequencies. The frequencies in this signal are 16, 18, 20, 22, 26, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 120 and 150Hz. No prob, because the free, 1-octave version of TrueRTA has a built-in signal generator you can use. Many people rely on their subwoofer to add more bass to their sound system: what they are looking for, actually, is an equalizer! If your sub has a phase knob, you can try various settings until you get the loudest possible sound at the test frequency. Also, you can use this signal together with an octave-band or a third-octave-band real time analyzer to calibrate your sound system. Some subwoofer models do not feature a built-in test tone generator, so an 85 Hz test tone is useful to help set the phase adjustment correctly. HIFI-FORUM » Stereo » Lautsprecher » Subwoofer » Phase am Subwoofer richtig einstellen : Phase am Subwoofer richtig einstellen +A-A: Autor. Notice any changes. It has a spectrum similar to actual musical signal, and stresses your sound system similarly. These signals are equally suitable for full-bandwidth monitors and subwoofer systems. Play the 80 Hz tone and adjust the PHASE CONTROL of the sub and the POLARITY SWITCH until the bass is loudest and cleanest - in other words, the peak. If you hear any distortion, noises or rattling check your sound system and your room. The subwoofer’s phase control is now set perfectly. “Pirates of the Caribbean: Dead Men Tell No Tales” Review, Bomb Squad Academy Review: A Puzzle Game and More. Got a better idea? Fragen und Antworten. The level of the signal remains constant. Now flip the phase on the sub (or turn it to 180° if you have a phase knob) and note the sound level again. should i do this method playing all speakers together (main+sub) or just in the sub? Post it in the Comments section below. Craving Custom? Let that play until it gets around to … By using the accurate phase test above you will AUTOMATICALLY have set both the PHASE (timing) and LEVEL, since it has to be both the same level and exactly out-of-phase to cancel. 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, Hands-On with JVC’s New Theater Optimizer Function, 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. Start from a low sound level and work up towards higher levels. Test Tones • Tone Gen • Blind Tests; Stereo Polarity (Phase) Sound Test. Got some feedback? First, you need a sound-pressure level meter. The chart included here shows the phase responses of the Hsu VTF-15H subwoofer in sealed mode (green trace) and the Sunfire CRM-2 speaker (blue trace) in the crossover range, between 60 and 200 Hz. It's never going to be perfect. Listen for smooth transitioning between the subwoofer and the speakers. NOTE: Google Chrome required for this to work. A better solution was simply to play a sine wave right at the crossover frequency - i.e., an 80 Hz sine wave for an 80 Hz crossover setting. To celebrate all things bass we've rounded up a list of some of our favourite test tracks when it comes to the bottom end. I use a small camera tripod for this, but you can just put the meter down on the arm of your chair if you want. This difference could increase or decrease depending on the way the speakers are positioned. If you don’t know the frequency range of your speaker, use a subwoofer matching tool. The Ultimate Ears UE 18+ Pro Satisfy. Note the sound level on the meter. Any SPL meter ever made should work. Here you can download four MP3 files that help you to evaluate the low frequency reproduction in your audio system. It has to remain in exactly the same spot, within a couple feet of your head when you're in your favorite listening chair. Beitrag : Albatraos Ist häufiger hier #1 erstellt: 19. As you play this signal pay attention to the purity of the tone. Don't have one handy? Background. The legendary RadioShack meter, the Galaxy CM-140 I use, even an SPL meter app running on your iPhone or Android.