abucompu Posted July 5, 2014 Report Share Posted July 5, 2014 Good day guys/gals, I'm relatively new on the forum and would like some assistance and advise on a new build of mine. Dimensions to work with 940mmx400mmx430mm Subwoofers 2x SA 12's D2's Amplifier Taramp HD8000 2ohm Batteries 5000 CCA x2 Any ideas and suggestions welcome, recently did 148.9db in DB drags looking to improve my number a bit. Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 5, 2014 Report Share Posted July 5, 2014 Try this "cube" out , i´ve burped 149 legal with only a 2K and 2 loudforce 8512s wich are similar subs Box: 16.5" x 16.5" x 16.5" , 1 sub up and the other one facing forward, external 8" aeroport 18" long with 13.5" flares on both ends, should burp over 150 with your equipment no problems at all, if you recone those subs to dual 4 ohms and wire the amp at 1 ohm with a couple of batts you should burp over 151 easily 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/ Link to comment Share on other sites More sharing options...
realsoundillusion Posted July 5, 2014 Report Share Posted July 5, 2014 Thanks for the response, i will give it a bash and get back to you, also note that the cars resonant frequency is 56hz, any other suggestions, at what frequency were you burping? would you mind sending me more pics of how your aero port is mounted, [email protected] Link to comment Share on other sites More sharing options...
TaylorFade Posted July 5, 2014 Report Share Posted July 5, 2014 What vehicle is this? And what the hell kind of batteries have 5,000 cold cranking amps? Link to comment Share on other sites More sharing options...
TaylorFade Posted July 5, 2014 Report Share Posted July 5, 2014 Thanks for the response, i will give it a bash and get back to you, also note that the cars resonant frequency is 56hz, any other suggestions, at what frequency were you burping? would you mind sending me more pics of how your aero port is mounted, [email protected] Is it actually 56hz or is that where your current enclosure is peaking? Link to comment Share on other sites More sharing options...
realsoundillusion Posted July 5, 2014 Report Share Posted July 5, 2014 the car is a Golf Mk1 2009 citi Sport, my enclosure is 58Hz with 2 4' aero internal ports. My apologies i meant SS amps. FIAMM BATTERIES Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 6, 2014 Report Share Posted July 6, 2014 that box has been tested and used on a lot of cars now, peaks at 56-59 hz depending on cabin and power we use, should work nicely on the golf 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/ Link to comment Share on other sites More sharing options...
realsoundillusion Posted July 10, 2014 Report Share Posted July 10, 2014 Hi Guys/gals, Thanks for the help and advise... just an update after building and testing the box with entry level woofers first this is what i achieved. 1st test amp gain 75% no LPF 149.1 2nd test amp gain 75% LPF about 30% 149.7 3rd test amp gain 75% LPF about 45% one click before amp goes into clipping 149.9 i have some pics as well. Not sure how to post the pics though. Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 10, 2014 Report Share Posted July 10, 2014 damn, that´s weird! i mean, if you are burping a single frequency, why should the lpf affect the score so much? i always set the subsonic on lowest point and lpf on highest point for spl 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/ Link to comment Share on other sites More sharing options...
realsoundillusion Posted July 11, 2014 Report Share Posted July 11, 2014 Agreed it is weird, i never use subsonic on any of my amps, not sure how to use it so it, or what its really for so i stay away from it. Link to comment Share on other sites More sharing options...
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