dr hypothesis Posted April 6, 2009 Report Share Posted April 6, 2009 So, I did a wall for 2 BTL 18s in my 2001 Impala. I've used a pair of Q 18s before, but they just weren't loud enough for me. I must say I did not expect the BTLs to sound this good. This setup replaced a wall of 4 RE SX 15s. Both walls were/are powered with a Memphis 4kw. Of the walls I've had, I've never been able to get one to sound good with rock/metal. This is no different with the BTLs. Might be how I have things crossed over, settings, etc... Rap sounds absolutely phenomenal. :hairtrick: I definitely need one or two more component sets. The wall is 14 cubes, tuned to 35hz, 192" of port. I really wanted to tune lower, but these still handle the lows like nobodies business. I'd say between the 4 SXs and the 2 BTLs, it's very close. The BTLs sound a lot better though and for the most part are a touch louder. No TL meters around here, so no official testing or numbers yet. I'm wondering how much louder they would get with 3kw on each sub. :hairtrick: Just wanna say thanks to Fi for making an incredible sub. I think it's gonna be awhile before I get louder then this. Quote 2001 Chevy Impala Eclipse CD7200 mkii Cactus Sounds 5kw Sundown 100.4 (2) Fi BTL 18s (walled) ID 6.5s (2 sets) Iraggi 320 amp Alt XS Power Batts KnuKonceptz Wiring MidwestSPL Scores: 152.0 Advanced 2 136.1 Extreme 3 Link to comment Share on other sites More sharing options...
CHINO11550 Posted April 6, 2009 Report Share Posted April 6, 2009 I have the same amp & fully loaded BTL'z, i think the power is not enough for them i need another Mojo amp but they still slam Quote H/U Pioneer deh80prs w/ HRT iStreamer Ipod DACFront stage is active, 4 Morel Elate 6.5" & 8 CDT DRT26 tweetsamp running 4mids, Mosconi Audio 300.2amp running 8tit & alum tweets, Mosconi Audio 200.28 12" Ascendant Audio Chaos. amps 2 Digital Designs M4'zbox is a 4th order band passbatts. 1 XS Power D3400 under hood,6 D3100 in back2 XP 370 amp DC Power alts.MLA module 15+voltsAll in a 97 2door Tahoe LT2010 West Coast Reg. 140-149.9 Bass Race Champ Team Bass Hz Link to comment Share on other sites More sharing options...
dr hypothesis Posted April 6, 2009 Author Report Share Posted April 6, 2009 I have the same amp & fully loaded BTL'z, i think the power is not enough for them i need another Mojo amp but they still slam Mine will barely get warm when I'm slamming on them for twenty or thirty minutes. I get nervous because I was born without a sense of smell, so if I'm cooking coils, I won't notice until it's too late. :mad: I'd be nervous giving them 4kw each with how hard I am on my equipment. I'd love to see the full potential of these subs though. Quote 2001 Chevy Impala Eclipse CD7200 mkii Cactus Sounds 5kw Sundown 100.4 (2) Fi BTL 18s (walled) ID 6.5s (2 sets) Iraggi 320 amp Alt XS Power Batts KnuKonceptz Wiring MidwestSPL Scores: 152.0 Advanced 2 136.1 Extreme 3 Link to comment Share on other sites More sharing options...
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