are you testing with the AC190 ?i will be off all day tomorrow. i should be able to do some testing & will post #s
what freq. was you burping & what freq. was the box tuned to?are you testing with the AC190 ?
I found in my crx going from dual chamber with 6" aero's to common chamber with 1 8" aero I blew woofers right away first -second burp
well my first crx was 58 and my last one was 53 the box was never tuned //content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif the smaller i made my box's the louder it got my last box was 25x25x14 with 4 12's and there was placement port's need to be around 6-8" from the back and I was always louder with woofers up my best was 154.7what freq. was you burping & what freq. was the box tuned to?