Soundthought Posted October 2, 2002 Share Posted October 2, 2002 Hello to all that are listening. A bit of valuble info to all ye of such sound minds. It is imperative that we pay heed to that which is dangerously loud. With that I give you; Permissable Noise Exposures. Duration/hours = Sound level in db 8 = 90 6 = 92 4 = 95 3 = 97 2 = 100 1.5 = 102 0.5 = 105 0.25 = 115 The above restrictions are based on the Occupaional and Health Act of 1970. The Code basically states that if the exposures are exceeded, then hearing protection must be worn. *Note that these are based on the "A Scale" of a standard sound level meter at slow response and will change if some other standard is set. Be aware of excessive volumes. It's far to easy to exceed these levels without realizing it. Especially, with our mighty Klipsch particle disrupters. I believe, To live and to love, To listen for life. But, if I buy more speakers, I'll never land a wife. Enjoy the music in everthing. Cover your assets when needed. Don't forget to floss. Just a little helpful info from your neighborhood audioreality. Hear ya'll later. Quote Link to comment Share on other sites More sharing options...
NOZ Posted October 2, 2002 Share Posted October 2, 2002 Hey Audio, Is that per day, week, month, year.... Quote Link to comment Share on other sites More sharing options...
kenratboy Posted October 2, 2002 Share Posted October 2, 2002 I think per day. My Rat Shack SPL meter HAD that chart, but it is lost (but NOT gone, it is around) Oh, after 115 dB., you are screwed, so don't think 120 dB. is for 5 minuites! Honestly, 115 dB. for 15 minuites is enough time to enjoy your favorite song a few times a day, no bad! Quote Link to comment Share on other sites More sharing options...
HornEd Posted October 2, 2002 Share Posted October 2, 2002 121.5dB is as loud as it gets on any Dolby recorded DVD... and that is usually only for a fraction of a second. It creates realism without harming your hearing. The big problem comes from sustained listening at high levels. Having a high volume for microseconds, however, really adds to the drama of DVD. -HornED Quote Link to comment Share on other sites More sharing options...
Soundthought Posted October 2, 2002 Author Share Posted October 2, 2002 Hmmm. I suppose that would be helpful, huh? It's duration in hours PER DAY. Thanks for catching that NOZ. I forgot to add that in. I would edit my post, but last time I did, it almost bite me. Yeow. Quote Link to comment Share on other sites More sharing options...
kenratboy Posted October 2, 2002 Share Posted October 2, 2002 You gotta watch those posts man! Quote Link to comment Share on other sites More sharing options...
mike stehr Posted October 3, 2002 Share Posted October 3, 2002 If you spin around real fast, you could be a leslie speaker cabinet, Ed. Good Avatar! Quote Link to comment Share on other sites More sharing options...
avman Posted October 3, 2002 Share Posted October 3, 2002 on one occasion i measured a peak average of 118 dB at my seating position! one serious round of 'for those about to rock' on ac/dc 'stiff upper lip' results in ear ringing1 i enjoy the impact of leaning on the volume-but yea! we all gotta be careful so we can continue to enjoy! avman. p.s.: can you speak-up? i own klipsch-check the sig! Quote Link to comment Share on other sites More sharing options...
TheEAR Posted October 3, 2002 Share Posted October 3, 2002 HA anything over 110 sustained is LOUD and can seriously start to leave marks on your hearing.My BIG Klipsch setup can belt over 115 sustained with no audible compression!On peaks its over 124dB What I did test at hellacious levels are my subwoofers,the most irritating output is at 31.5Hz where the Sunfires(5 counting the two Knight Shadow subs)can dish out over 124dB sustained!Talk about vibrating walls. I also tested the HGS18 alone in the smaller room at 122dB at again 31.5Hz!Mighty impressive,the small room is a bass booster to subs perform very well there.125dB was recorded for the Revel B15 and just under 120dB for the Aerial SW12.The Aerial is the best performer at 20Hz where it can still sustain 107dB!Impressive for one 12" With the Ultras/Carver TFM-75(1000W RMS per channel into 4 Ohms)I managed a massive 118dB at 20Hz in the small room!Impressive and ears bleed deluxe.In the larger room I lose 4-5dB output depending on placement. Ultras are kings of the deep,quite amazing considering the fact they retail for under 2K USD!After all when you place an ultra heavy duty driver in a giant toilet paper roll you save big. My left ear is a bit less sensitive to sub bass then the right! I may sure all subwoofer makers who caused this loss Quote Link to comment Share on other sites More sharing options...
Soundthought Posted October 4, 2002 Author Share Posted October 4, 2002 I'll admit that I've been known to push audible limits a time or three. I own Klipsch. What else is there to say? Ears, You gotta shake em', but don't break 'em. LOL My main HT. or as my friends like to call it, Johnny 7Channels' Theater of Pain. Denon 3801 (upgrade pending) B&K 2140 2ch amp (powering RF7s) Audio Control C-101 Series 3 EQ. Denon DVD 1000 Denon CDR-W 1500 Sony CDP-CX335 300 disk cd changer. JVC 36" idiot box. (upgrade pending) RF7 mains. RC7 center. RS7 surrounds. RS7 dual surround back. KSW 15. Main/LFE. SW8 11. Main/LFE. SW12 II. Frontal support for RF7s. IBW Straight Wire Sextet/Stage on RF/C7s Tributary SP-2 on RS7s AudioQuest Diamondback interconnects Munster Opticals (upgrade inevidable) AudioQuest RF blockers. And a few other little goodies and insignificant unmentionables. Quote Link to comment Share on other sites More sharing options...
dougdrake Posted October 4, 2002 Share Posted October 4, 2002 Seems that Klipsch and Loud are synonomous. Anyone else notice how a lot of the classified ads for Klipsch speakers include the words "large," "loud," or "heavy"? Or just give the dimensions of the speakers without giving model information? Hmmm, makes you wonder what's causing them to sell 'em. DD Quote Link to comment Share on other sites More sharing options...
Deang Posted October 4, 2002 Share Posted October 4, 2002 So how do we apply the scale? Don't we usually use the "C" weighted scale on our meters? I don't have my meter handy and I can't remember. How does this "A" weighting relate to the "C" weighting? Quote Link to comment Share on other sites More sharing options...
Soundthought Posted October 4, 2002 Author Share Posted October 4, 2002 Well, basically "A" and "C" weighting measure different loudness contours. "A" is most suited for low level sound measurement. Roughly 40 - 60Db. "C" which offers a flatter response curve is more suitable for the presense of loud sounds. 60+ "A" being the prefer measurement of O.S.H.A. This allows them to obtain lower readings than they otherwise would. The innapropriate use of the "A" scale works in favor of those who don't wish to be resricted. Just in case anyone was wondering. Quote Link to comment Share on other sites More sharing options...
cluless Posted October 4, 2002 Share Posted October 4, 2002 Well, after days of having only a car radio and a walkman for tunes, the house will be shaking tonight! Wheeeeee! Sigh! It's not just the same without my blue rolly smilie! Quote Link to comment Share on other sites More sharing options...
Soundthought Posted October 4, 2002 Author Share Posted October 4, 2002 Welcome back miss clue. I had thought you had bailed to the Corova Milk Bar before a bit of the UltraViolence. That's where I would have gone. Ahhh.. beautiful Ludwig Von. Good to see ya, crazy lady. BTW, why no home tunes? Your kitty commandos kick you to the curb? (Curdled milk syndrome) Did you have to evacuate for flea fumigation? (infectous little bugeous) What's the story, morning glory? Quote Link to comment Share on other sites More sharing options...
cluless Posted October 4, 2002 Share Posted October 4, 2002 The sound is not right until you feel it.. Quote Link to comment Share on other sites More sharing options...
Soundthought Posted October 4, 2002 Author Share Posted October 4, 2002 I agree. That's why I bought two more subs. Sucks, but it did the trick. I strive to be moved physically as well as emotionally. I find it fairly easy with 2 channel. But terribly difficult for HT. I want the sounds to penetrate my soul and devour my spirit in a reactive dance of emotional foreplay. Without giving me a headache. LOL. Quote Link to comment Share on other sites More sharing options...
kenratboy Posted October 5, 2002 Share Posted October 5, 2002 Whoa, this thread went to wierd! Oh well, it's all good Quote Link to comment Share on other sites More sharing options...
cluless Posted October 5, 2002 Share Posted October 5, 2002 AR- Not to worry about the morning glorys. They are blooming here at my private oasis..(REALLY) Just glad to be home. Hey, Just let the music be yours! Quote Link to comment Share on other sites More sharing options...
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