The volume displays in dB. Post calibration they were set to -1.5 for L/R and -3.5 for center, and -11.5 for each sub. If your ears ring afterward, you've certainly had permanent damage. Buying Advice, Tech Support, etc for Televisions, Home Theater, Speakers, Projectors, Audio/Video Receivers, etc. I went into "manual setup" for the speakers on my Denon X3300W and set the volume to "0" with pink noise running. A freight train horn at close proximity is just as loud but not as damaging due to the frequencies it uses. Why is the display in dB and why the lower negative get louder into the positive? Raise the master volume of the receiver until the SPL meter reads about 75 dBC (it’ll jump around, but you’ll just have to try to get it as close as you can). db is a logarithmic scale. 105 db should be the loudest your receiver ever generates: it is for movies with explosions. The reason your receiver is marked in db rather than in a linear scale is because this corresponds much better to the way the human ear listens, i.e. A lot of this depends on the SPL meter. A quick perusal of the Q2 2020 RIAA music industry sales data provides a lot of clarity. Actually audyssey was shot on with distances so I didn't really mess with it, also is dynamic volume like a night mode? I am getting it now. Well, it might..:) If, for example, he is trying to determine what "reference level" truly equates to with regards to his master volume setting. This is the first reciever I have owned. Press J to jump to the feed. For a better experience, please enable JavaScript in your browser before proceeding. I am running a 3.2 setup. When I did the original "auto calibration" it had me turn my gain knobs way down and ended up at -11.5dB post calibration. This is the first reciever I have owned. Onkyo 805, Yamaha YDP2006EQ, Samson Servo 600 amp, Sherwood/Newcastle R972, Mission 765's, SVS SBS02's, A/D/S MS3u sub, Yamaha YDG2030EQ. For example moving from -30 to -20, the volume gets louder. I used my Denon to match at 75db and then adjusted them to my taste after that. If reference level is 0dB and output of 105dB. In a home theater session, guests are often reluctant to complain if everyone else seems to be comfortable with a given playback volume – always ask your guests if the playback volume is too loud or if they are comfortable with it. On your AV receiver, the dB indications are still relative and you should hear them that way. Turn that on and try playing with the different level offsets to see if you have a preference. Coming attractions previews, however, were louder, peaking at 90 dB SPL, a lot louder than the actual movie presentations. Advertisement. Wow, and reference level at 105dB can cause hearing loss also right? 0db is the preamp's reference level. As an example : If 10 loudspeakers are playing at the same loudness instead of one we think that the loudness has doubled . After running audyssey i adjusted the distances manually with a measuring tape and used a vlike vl6708 slp meter to adjust db levels at 0.0db max volume aiming for 75db reference level to each channel. A DVD music concert of amplified rock music, cleanly recorded, can certainly be enjoyed on a good system at levels up to 100 dB, but only if your friends like electric rock at those levels—and lots do. Adjust the master volume of your Receiver/Preamp to a common listening level you are accustomed to (say 75dB). The results are interesting: The THX promo clip measured 85 dB SPL, while average movie sound levels were between 70 dB and 78 dB–comfortable and not too loud. A movie like War of the Worlds is thrilling played loud. Save my name, email, and website in this browser for the next time I comment. I would. The dB setting is just a comparative value that you can use to tell what the volume level of each channel is. Think your CDs sound as good as they can? I set the SPL meter to "slow" and "c weighted". which on a linear scale corresponds to a 10 fold increase in sound power. Whether you're installing a $500 home theater in a box, or a $50,000 component system, the same basic principles apply to subwoofer configuration and installation. The "level matching" post calibration set them at -11.5dB each, but my SPL meter was only reading 66dB with the pink noise and volume set to reference 0. Setting dB levels. Does that mean I have to crank up the volume to +105dB to get reference level? It just allows you to have a place to start where all speakers have the same output level (0 dB). Avr denon s950h - klipsch cc r52c - klipsch bookshelf r15m x4 - klipsch atmos spks r41sa x2 - klipsch R-112SW - 12 gauge wire going to all channels - 968 cubic ft room. -XXdb is some volume below reference, +XXdb is some volume above. Several of the blockbuster movies, The Lord of the Rings: The Twin Towers, and Harry Potter and the Chamber of Secrets peaked at levels of 95 dB and 93 dB, respectively. Room size and acoustics all play a part in what you hear and how "loud" it sounds. Certain DVDs may call for different levels. It's largely about final preference but as was said I find it (Audyssey, altho I've never had the base MultEQ version) generally fine for setting delays (distance). I'm using an SPL meter to set my speaker levels and need a little help. Those peak levels correspond to "very loud" according to accepted subjective testing, but average levels for the two movies were considerably lower. The 75db reference level is for test tones when calibrating your system. Back to your home theater room: Raising playback levels to peak at 95 dB SPL, a level that most listeners term "very loud," is risky unless you're well acquainted with your friends' listening preferences. Audyssey calibrates for 75dB, and the internal test tones max out at 75dB, but keep in mind when watching a movie at volume 0 (reference) it will actually be 85dB with 105dB peaks. I’m not necessarily looking for 75db at the MLP. I read online that sustained levels at or above 90dB can cause hearing loss. i dont have auto speaker calibration setup .In manual calibration the volume level +- 6db for all the speakers.i dont know how to use spl meter.kindly send me the exact speaker level volume for each speaker in db. For a better experience, please enable JavaScript in your browser before proceeding. Hi All, I am new to the home theater scene and setting up a 7.1 system. Hi All, I am new to the home theater scene and setting up a 7.1 system. Thanks so much. This primer covers the basics of subwoofer set-up so you … How loud is loud... you might find this information interesting: Also about calibration. We roundup 7 audiophile CD players for when it's time to upgrade. That is, 0 dB doesn't correspond to a specific, standard output power level. Galaxy Audio CM130 Sound Pressure Level Meter Hi this is robin i bought new sony blu ray home theater system bdv E290 i want to set the exact volume level for all the speakers . A sonic boom could cause damage as it is very abrupt and contains very high sound pressure levels. momentary exposure to peaks of 120db wont cause hearing loss, it is sustained levels that do. Initiate the Receiver/Preamp test tone. The ear responds to average level and is how we perceive 'loudness'. Any particular sample value (or the average) is represented by negative numbers; ie, the 'distance', if you will, below 0 dB. I'm confused, sorry just trying to understand this. Reference level is not 105db, it is 75db with peaks of 115db. Your one stop for all things Home Theater (except soundbars). Does it matter on the Audyssey version I have I don't have the XT32 I have a lower tier Denon receiver S950H also the loudest volume I go to is -20DB it's plenty loud in the size room I'm in 11×11×8. I went into "manual setup" for the speakers on my Denon X3300W and set the volume to "0" with pink noise running.