fecupe2001 Posted January 12, 2011 Report Posted January 12, 2011 Well, it´s like that man, i honestly tried some 45´s in a single 15" box and score dropped 0.4 dbs, so you never know! Quote I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/
uhoh_45 Posted January 12, 2011 Report Posted January 12, 2011 in my explorer i had "steps" in the port and it actually lost spl with 45's on it pics kinda Quote R.I.P! (Nov-29-2009) 92 explorer - 4 Atomic Apxx 15s duel .7s - 4rth order bandpass wall -4 powerbass XA-3000D's - 16 8volt batts wired to 16 volts - (9+/9-) runs 0gauge - 152.3 Db @ 29hz BUILD LOG current build 97 chevy lumina4 - 1 Atomic Apx 18 - 6 cube slot port trunk sealed off - 1 powerbass XA-3000D - 2 optima G31s in spare tire18 1 run 1/0 lumina build log
MarioB Posted January 12, 2011 Report Posted January 12, 2011 i just have read that it always helped airflow thats why i made the post im new to car audio myself, so i just wanted to see what others had to say about it. Quote 12- DC Audio m2Lvl3 12's1- Hertz HSK3 way2- DC5K's2- ZX350.42- Stinger SP1500D batteries in rear3- runs of 1/0ga. to the rearTeam DC Audiodcsoundlab.com Quality is all in how you take pictures I have plenty of projects that look WAY better on camera then in person crazy to fit so many in so little. Reminds me of some of the porns I've seen?
Autruche Posted January 12, 2011 Report Posted January 12, 2011 If you truly are concerned about airflow, then do a confetti test. Quote Need Test Tones/Sine Waves? Click Here!My Saab 9000 build1993 Saab 9000 Aero 5spdPioneer - Zapco - Hifonics - Sundown Audio - O2 Audio - RE AudioJust Say No To Rear SpeakersJust Say No To CCA WireReal Men Drive StickHit me up on Facebook, if you want
TeamHT Posted January 12, 2011 Report Posted January 12, 2011 no one can tell you what it gains, and sometimes 45's ruin your airflow, and lower score or do nothing at all hmm havent heard this one yet really? its very true. not every tactic used is going to be useful for every single application. think about airflow, pressurizing the port.....there is no cookie cutter way of making DBs. Quote Tell me...does this smell like chloroform to you?
MarioB Posted January 12, 2011 Report Posted January 12, 2011 no one can tell you what it gains, and sometimes 45's ruin your airflow, and lower score or do nothing at all hmm havent heard this one yet really? its very true. not every tactic used is going to be useful for every single application. think about airflow, pressurizing the port.....there is no cookie cutter way of making DBs. i wasnt saying it to be a smart @ss. i know theres no way to tell how many DBs you will gain or loose. because ive asked if i will gain DBs by adding sound deadner but was told i could loose DBs. I was more interested in what people had to say about it thats why i put the popcorn. sorry not trying to thread jack. Quote 12- DC Audio m2Lvl3 12's1- Hertz HSK3 way2- DC5K's2- ZX350.42- Stinger SP1500D batteries in rear3- runs of 1/0ga. to the rearTeam DC Audiodcsoundlab.com Quality is all in how you take pictures I have plenty of projects that look WAY better on camera then in person crazy to fit so many in so little. Reminds me of some of the porns I've seen?
korey_hofer Posted January 12, 2011 Report Posted January 12, 2011 jacob from sundown has a good explanation in his magic 15'' spl box. not sure if he posted it here or not though Quote previously known as wenn_du_weinst aka fucking internet coward supreme. I talk shit on other forums like a little bitch and hope i don't get caught out on the street.
TeamHT Posted January 12, 2011 Report Posted January 12, 2011 no one can tell you what it gains, and sometimes 45's ruin your airflow, and lower score or do nothing at all hmm havent heard this one yet really? its very true. not every tactic used is going to be useful for every single application. think about airflow, pressurizing the port.....there is no cookie cutter way of making DBs. i wasnt saying it to be a smart @ss. i know theres no way to tell how many DBs you will gain or loose. because ive asked if i will gain DBs by adding sound deadner but was told i could loose DBs. I was more interested in what people had to say about it thats why i put the popcorn. sorry not trying to thread jack. I didn't take it as you being a smartass, I did take it as an actual question with a hint of smartass, lol. And yes, adding deadener can affect resonant frequency, which in turn may affect the efficiency and how well an enclosure performs in a given space. There are just so many variables I find it funner to just test, test, and test. I normally build to what I like anyways, since I don't compete. Quote Tell me...does this smell like chloroform to you?
fecupe2001 Posted January 12, 2011 Report Posted January 12, 2011 That´s why SPL it´s so much fun, trial and error it´s the key, what works for my application might suck on yours Quote I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/
jmitch Posted January 12, 2011 Report Posted January 12, 2011 bondo alone will be brittle and crumble apart. Quote I know a lil about everything so dont call me Mr. Know it All.
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