candyman74 Posted May 4, 2011 Report Share Posted May 4, 2011 ok it there a way or formula to build a box to compensate for box rise. i have 3 12w3v3 8 ohm speakers in a ported box. so im right around 2.66 resting so then when its playing im almost double that right? im running a jl 1000/1 which does 1000 watts from 1.5-4 ohms but with my setup its higher than what the amp operates at so im not getting the max out of the amp right? Link to comment Share on other sites More sharing options...
zayres29 Posted May 4, 2011 Report Share Posted May 4, 2011 you are wired the way you should be there is nothing wrong Btw that was the first person. Ever banned by me while dropping a deuce. Feel privileged Link to comment Share on other sites More sharing options...
Supercharged DCs Posted May 4, 2011 Report Share Posted May 4, 2011 How do you know the impedance has doubled? Bassless once again. Can't seem to keep a system for more than a few weeks Saving for a '06 Nissan 350z, look for build around June 2012. Link to comment Share on other sites More sharing options...
candyman74 Posted May 4, 2011 Author Report Share Posted May 4, 2011 How do you know the impedance has doubled? well i thought the impedance doubled from what ive been hearing about box rise, am i wrong? Link to comment Share on other sites More sharing options...
zayres29 Posted May 4, 2011 Report Share Posted May 4, 2011 there are just about infinite variables that contribute to rise and every application is different there is no way to tell how much rise you have without measuring it Btw that was the first person. Ever banned by me while dropping a deuce. Feel privileged Link to comment Share on other sites More sharing options...
Robert8252 Posted May 4, 2011 Report Share Posted May 4, 2011 Some boxes will rise nothing. .1 or .2 some will rise 8-15ohms but it's all box dependent, install dependent, amp dependent, sub dependent, port dependent. No way to really know before building. Just design and build to the subs specs and be happy. If you clamp it and see a huge rise buy a bigger amp. Lol 2013 F150 Crew Cab Old Build Log Feedback 2013 F150 Equipment - Some Awesome Stereo Sound Making Stuff Link to comment Share on other sites More sharing options...
jg23 Posted May 4, 2011 Report Share Posted May 4, 2011 I have 2 jl 1000/1v2 n I'm getting like 450 watts at 13 ohm each 2008 TahoeHU-PioneerMids/Highs amp- sundown 200.4Mids/Highs- hertz xls, hertz ml 700, audison voce tweetsAmp-2 AQ 3500sSubs-FI SP418sAlt-singer 350Big 3 1/0 Build Log UBL My YouTube channel Link to comment Share on other sites More sharing options...
TeamHT Posted May 4, 2011 Report Share Posted May 4, 2011 browse the general audio and subwoofer/enclosure sections. there are some very good write ups on impedance rise. Tell me...does this smell like chloroform to you? Link to comment Share on other sites More sharing options...
Torres Posted May 4, 2011 Report Share Posted May 4, 2011 imo fighting impedance rise in daily setups is pointless Link to comment Share on other sites More sharing options...
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