Omega5002 Posted February 4, 2013 Report Share Posted February 4, 2013 If you play with audacity, frequencies of digital music files are measured in -db's, with zero being the highest. If you play the 0db track, that means any song you play will not reach 1% thd unless it's +db's, use -5db, then any song that is under -5db will not reach 1% thd, go at like -4db, then you reached passed 1% thd. Same applies with -10 db and -15db, most rap music I see usually is around -10 db, Psyph Morrison reaches to -5db, and test tones are at 0db.Here's a good picture explaining what I meanYoung Jeezy - White Girl, 32hz is at -9.6 db, which makes you stay under 1% thd with the -5 tracks, but with the -10 db and -15db tracks, you'll be passing 1% thd The 0db track is a loudest track than the others so it makes you set your gains the lowest out of the other tracks. -15db is the quietest track, meaning it'll make you set your gains higher. I have experienced the opposite of that That's weird, I don't understand, if you were to go through the tracks, without touching the gains or headunit volume, you notice the 0db tracks are way louder than -5db, -10db, -15db,etc 2003 Kia Sorento Team Subsonic LowsTeam Bassin' on a Budget2016 Rebuild Under Construction Best score: 150.2 at 40hz (3k, 2 Custom HDC3 15's) Usaci style(door open, in the kick) Link to comment Share on other sites More sharing options...
soundstream15 Posted February 4, 2013 Author Report Share Posted February 4, 2013 I see what you mean!! Might have to use -5db now instead of -10 Link to comment Share on other sites More sharing options...
Jessica Posted February 4, 2013 Report Share Posted February 4, 2013 In the DD1 instructions it says -5db will result in a louder system and the -15db will result in better sq. You could not be more wrong. Go read your manual again. Rest in peace, walled 87 accord build log 03' Corolla build with AA Mayhem inside. My super random youtube channel and terrible camera work. Wiring comparison by CaptainzPlanetz Wire and fuse guide by Guest SyKo13 Link to comment Share on other sites More sharing options...
Big-A Posted February 4, 2013 Report Share Posted February 4, 2013 Check out this link about test tones. http://www.stevemeadedesigns.com/board/topic/96978-test-tones-and-tuning-tutorial-all-new-links-again/ 2004 Dodge Ram Head unit- Alpine iDA-x305s Sound processor- Clarion eqs746 Mids/Highs amp- Alpine MRV-F345 Sub Amp- Alpine MRD-M1005 Dash Speakers- (3) Dayton Audio rs75 Front Door- Skar SPX65c Rear fill- Skar SPX tweters and Dayton ND140 midbass Sub- Fi Audio SSD 15 high QTS SHCA power/ground cables and Stinger interconnect XS power D6500 under the hood and D680 in the amp rack Big 3+ with SHCA http://www.stevemeadedesigns.com/board/topic/161174-dodge-ram-quad-cab-fi-ssd15-skar-audio-alpine-shca/?p=2326251 Link to comment Share on other sites More sharing options...
LoudNLow931 Posted February 4, 2013 Report Share Posted February 4, 2013 In the DD1 instructions it says -5db will result in a louder system and the -15db will result in better sq.You could not be more wrong. Go read your manual again. I know i typed it backwards lol. 2008 Dodge Ram 2500 6.7l Cummins 4 FT1s C1600.2 8 PWX 8s ONX2.100 Audio Technix Wiring & Sound Deadener My Youtube Feedback Link to comment Share on other sites More sharing options...
soundstream15 Posted February 4, 2013 Author Report Share Posted February 4, 2013 Thanks guys Link to comment Share on other sites More sharing options...
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