Real96SS Posted July 29, 2012 Report Posted July 29, 2012 So just as the title says these are the graphs from WinISD for my PSI 18 and my FI BTL 18. Both in the same enclosure same tuning. This is my first time trying WinISD so I'm trying to make out exactly what to look for. Just a guess by me it seems that the PSI sub will give a flatter response but the BTL would be louder. What do you guys think? Edit: This is not a versus thread only want opinions on which of the 2 subs I own seem to work best in this setup and what exactly to look for on these graphs. Vehicle 2007 Chevrolet Avalanche(Co-Co) DNX9980HD 6 Team Fi 15's(King Edition) 3 DC 9k's 8 Nendo PWX 8's 4 Custom Steg 4" Super Tweeters 1 DC Audio 175.4 1 DC Audio 90.4 Rockford 360.3 3 DC Power 370xp Alts(Externally regulated) 21 D1600's 2 D4800's All SMD RCA's AudioTechnix Deadner Viper Alarm My YouTube- http://www.youtube.c...NG?feature=mhee Link to buildlog- http://www.stevemead...4-15s-2-dc-9ks/ Link to UBL- http://www.stevemeadedesigns.com/board/topic/165059-ublkings-avalanchecoco-new-build-starting8-king-edition-15-team-fis-in-a-wallyes-a-wall/
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