alaskanzx5 Posted July 9, 2013 Report Share Posted July 9, 2013 what's up? I'm new to this forum. I actually joined just to post in this thread. I stumbled across your name and seen "spl tips" in your sig. That was yesterday. I read all 27 pages last night and was very impressed with the knowledge in this thread. I have 87 Caprice/ rear wheel drive trunk car with the big hump in the trunk; so my work is cut out. Right now I'm at a 147 on the dash with driver door open. I plan to try your tips and hopefully I will gain. I'm going to start with flaring my (3) 6" pvc and grounding my amp to the battery. If I pic up half of what you did , I will be ecstatic. I will eventually try it all and post my results. I hate that I don't have a termlab. I gotta drive 35mins to use one. I havnt played much on the termlab; but I'm up 3db from when I first started with the same amps and subs. My gain mostly came from box tuning and deadening. Now it's time to apply some of your tips. I have a split bench seat in the front and was wondering if any of you think I might gain from switching to smaller bucket seats. The only contribution I have right now is gaining .5 from removing the top section of my rear seat versus laying it down on the lower section. If I remove the whole seat,I lose about .2. My outlaw score also goes up if I pac pillows around the rear of my box. But it loses sealed. I've metered 145 sealed on the dash. This is using two dc xl 15's and 2 hifonics zrx3000's. Subs up/ports to the driver's side. The amps are only clamping about 1500w. I now have a Sundown 3k but havnt metered yet. I can hold over 13v with this amp so I'm expecting it to gain slightly. you better find ways to gain lol. doing a 142.4 sealed iasca on a single rockford t2d415 on a t1500.1bdcp at 2ohm stock electrical besides a 10 farad cap. voltage drop down to 11.9v if i can get that off of a single 15 you should be able to break that 145 sealed your doing easy. try the trick with the visors and move the passenger seat around a little bit. maybe pac something a little more solid around the back of the box. those xls have more in them no doubt. just got to move stuff around to get the max db gain you can. t1500bdcp 2 t2d4 15" 1 t600.4 1 t400.2 1 set p1 tweets singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz. Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 9, 2013 Author Report Share Posted July 9, 2013 Nice testing buddy! Glad you finally found some time to update this thread. About dam time thanks man, yeah it definitely needed an update, i´ll post another one tomorrow about grounding the rear battery 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...
cjvue Posted July 9, 2013 Report Share Posted July 9, 2013 Nice testing buddy! Glad you finally found some time to update this thread. About dam time thanks man, yeah it definitely needed an update, i´ll post another one tomorrow about grounding the rear battery i'd like to know cuz right now I have my runs connected directly from the front battery to back battery ground only My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 9, 2013 Author Report Share Posted July 9, 2013 this one should help you out 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...
cjvue Posted July 9, 2013 Report Share Posted July 9, 2013 this one should help you out Post them results already dammit. I know you have them! My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 9, 2013 Author Report Share Posted July 9, 2013 haha yes i have them on the other computer, let´s just say, besides having a negative run from the front battery to the rear one, it gained 0.2 dbs by adding a ground wire to the chassis 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...
cjvue Posted July 9, 2013 Report Share Posted July 9, 2013 haha yes i have them on the other computer, let´s just say, besides having a negative run from the front battery to the rear one, it gained 0.2 dbs by adding a ground wire to the chassis Dam, that's 0.2db I missed out on all these years lol. Hmmm now I just need to look for a good grounding location. Does it have to be certain length to be more effective? My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 9, 2013 Author Report Share Posted July 9, 2013 by the way, even tried 2 ground wires to the chassis i would be lying if i tell you anything, i honestly don´t have a clue, but i can tell you this, the wires we added were very short on a bolt close to the battery, i assume that, having a very short wire, would eliminate some resistance, just a thought... 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...
alaskanzx5 Posted July 9, 2013 Report Share Posted July 9, 2013 the shorter the better imo, a good wire wont add much resistance even if its the length of the car but personally i try to keep all my wires as short as possible. t1500bdcp 2 t2d4 15" 1 t600.4 1 t400.2 1 set p1 tweets singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz. Link to comment Share on other sites More sharing options...
fecupe2001 Posted July 9, 2013 Author Report Share Posted July 9, 2013 what's up? I'm new to this forum. I actually joined just to post in this thread. I stumbled across your name and seen "spl tips" in your sig. That was yesterday. I read all 27 pages last night and was very impressed with the knowledge in this thread. I have 87 Caprice/ rear wheel drive trunk car with the big hump in the trunk; so my work is cut out. Right now I'm at a 147 on the dash with driver door open. I plan to try your tips and hopefully I will gain. I'm going to start with flaring my (3) 6" pvc and grounding my amp to the battery. If I pic up half of what you did , I will be ecstatic. I will eventually try it all and post my results. I hate that I don't have a termlab. I gotta drive 35mins to use one. I havnt played much on the termlab; but I'm up 3db from when I first started with the same amps and subs. My gain mostly came from box tuning and deadening. Now it's time to apply some of your tips. I have a split bench seat in the front and was wondering if any of you think I might gain from switching to smaller bucket seats. The only contribution I have right now is gaining .5 from removing the top section of my rear seat versus laying it down on the lower section. If I remove the whole seat,I lose about .2. My outlaw score also goes up if I pac pillows around the rear of my box. But it loses sealed. I've metered 145 sealed on the dash. This is using two dc xl 15's and 2 hifonics zrx3000's. Subs up/ports to the driver's side. The amps are only clamping about 1500w. I now have a Sundown 3k but havnt metered yet. I can hold over 13v with this amp so I'm expecting it to gain slightly. welcome to the forum bro, what´s the load on those hifonics amps? 147 on the dash out of a trunk is never easy, that´s a very good starting point of you ask me, at what frequency was that? flaring the 3 6" tubes should gain you at least a full db, that´s the easiest and quickest gain you´ll get so go ahead and do it right now, yes ground the amplifier to the battery, and if you haven´t done it yet, ground the rear battery to the chassis also. 35 min away isn´t that bad my man, you just need to flare those things, add the wires, etc etc etc and take the car over there, burp it and from there, you start moving everything you can, trust me, less than an hour of work and you´ll gain at least 0.5 dbs more, with the flares and wires you should be close to 149 in a second! About the seats, don´t have a clue my man, i haven´t worked on that, fucking hate trunks lol, packing pillows around the rear of the box wouldn´t gain you anything since you are doing subs up and port side. If you clamped only 1500 watts, i´m assuming they were wired at 1 ohm a piece right? dual 2 ohms subs? planning on wiring the 3K at .5 ohms or what? that should get you a very nice gain, what´s you electrical also? you can send me a pm if you want and will be glad to help you out as much as i can. 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...
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