kryptonitewhite

Ive decided, and its a GO! RE XXX! some more junk we did on the side today: talking him into selling his prefab and going single slot port down the side, along the back the batmobile! a lotta work ahead: Subway:eat fresh!

i'm with ya!

all three plots using Linkwitz HP 22Hz LP 32Hz excursion plots, bringing power up until Xmax is reached red 50 cubic feet 23Hz tune. power 49000 watts green 50 cubic feet 32Hz tune. power 20000 watts Note that at 32Hz, the red is at its peak excursion while green is at its least, and that greens "high side of the impedance saddle" excursion is still very little, as expected. Going from 23Hz to 32Hz is inverted. Whole different ball game. same as above but included 55 cubic feet sealed, yellow, port takes up 5 cubic feet. 20000 watts.

build log: http://forum.realmofexcursion.com/build-logs/67140-4-fi-audio-ib3-18s-walled-off-15hz-tune-van-build-log.html

tuning lower kicks you in the ass in the SPL and excursion department, thats why I went with 4 18's in a wall... so I can tune ungodly low and still be reasonably loud. slap together another box just like it but tuned higher to compare if possible.

I am looking at either 6 06'RE Audio XXX 18's, 6 Soundstream XXX-18's, or building my own subs from scratch. What I must have: More than my current 30mm Xmax, 40mm Xmech, more than 11 for a Bl ( my subs are custom dual 4 ohm so I believe 8 layer and a touch more Bl than the single 4....as per website for s2 and s4... " Bl: 8.43 N/A | 11.8 N/A" ) A standard 3.5" p-p 1/2 roll surround will not gain any excursion. I am NOT looking to gain any output from gain in Bl and/or efficiency! So BTL/BL/Q... SMD/HAVOC/Mayhem... Maelstrom-X.. all will be ignored. I can get the Soundstream XXX's refurbed for 1/2 the cost of authorized internet RE Audio new. I may order coils, plates, pole pieces, double surrounds, basket, etc... and build my own. What I have and will NOT change: 50 cubic feet, 20" diameter port 18" long for a 23Hz tune. 4 AP30001D's and electric to back them. LP 31.5Hz 30dB slope, HP 22Hz 30dB slope. Don't like it? please don't post. It's not for your car, it's not for what you like or want, it's not for what's "right" or "wrong" or could or should be done. I know 99% of all posts will be "do this instead" and "youre retarded" and thats fine, I simply ignore them and let you have your fun accomplishing whatevber you get out of taking your time to read all this mumbo jumbo, taking the time to click reply, taking the time to type shit I am going to just skip anyway. Those of you who take it seriousely, think outside the box, and at least attempt to help: THANK YOU, much respect!

I've been talking to a fellow forum member who has been very helpful leading me to some of you driver building companies and repair shops. He suggested that I make a video showing what I have and what I am doing. For a few of you this will be very redundant, sorry. The vids: First is a track made for me by DB-Audio consisting of 13Hz and 19Hz sine waves, blowing seeds through the port to show the insane amount of air being moved. Second is a vid I just made showing some of the van, but I forgot to show inside the enclosure where the amps and batteries are as well as under the hood with the AGM batterie, HO alt, and wiring. Some parts got windy so you cant hear a for a few seconds here and there. What I have: It all starts with alts, right? one Iraggi 200A @ idle 220A peak alternator. I am waiting to hear back on the 2nd and 3rd alternators. I chose the highest idle output sacrificing highest peak output. I will have three when it is finished. 0 gauge power throughout, except 4 gauge on the Kicker KX200.2 Under the hood, a group 31 AGM Deka Intimidator knock off made by O'Reilley auto parts. In back, 2 large 100AH AGMs. I will add 2 more of the large 100AH batteries after I get the other 2 alternators installed and possibly a missinglinkaudio voltage regulator. 4 Audiopipe AP30001D's rated 3000 RMS @ 2 ohm. 1 amp per 18" covering 22Hz-31.5Hz 1 Kicker KX850.4 on 4 Adire Audio Extremis 6.4's running 71Hz-710Hz. Yes I am aware this "creates a hole" from 31Hz-71Hz. I said I'm doing this different~! 50 cubic feet, 20" diameter port, 18" long, resulting in a 23Hz tuning! 1 Kicker KX350.4 bridged on 2 CSS FR125S 4.5's running 710Hz-8kHz 1 KX200.2 on 2 Vifa XT25TG30 1" Ring Radiator tweets From the top, Alpine IVA-W505 DVD touch screen to control an Alpine PXA-H701 digital crossover via Ai-NET cable. 01' Chevy Astro van, 120 cans of Great Stuff expanding foam. 3/4" MDF sides, roof, doors. Front wall is 5 layers of 3/4" MDF, 2 layers recessed for countersunk subs. Backed by a doubled up 2"x6" frame. Hydrogen bomb proof. Rear wall is a single layer of 3/4" MDF backed by single layer frame of 2"x6"s 12 large tubes of PL PRO subfloor adhesive just for the front wall, more than 30 total tubes used. I only recently completed the structural build, so cosmetics will start soon. It looks messy now, but I haven't even started cosmetics. I can get 6 18" RE Audio XXX 18's, the 06' version, for $800 a piece authorized online dealer. If I can cut that in 1/2, $400, I'd buy some custom subs with 40mmXmax and 50mm Xmech! ( I need 2 18's for my home theater that also implements 2 IB3 18's... 128 cubic feet per enclosure, 12" diameter port 5" long for a 14Hz tune run off a pair of Behringer EP4000s)

kryptonitewhite at hotmail nothing impressive, jus a lil old school and a good new tune. people hate and talk _-.= for good stuff, so may as well throw boring junk up too why not will be painting the van and doing cosmetics soon, get her finished before some new subs. If Iraggi was better at emails Id have my 2nd alt ordered and working on a 3rd HO alt

usually my camera wont capture flex, but u can in this one. Im gonna have to get some steel tubing cuz it goes almost 3" and air BLOWS through the port through the whole cabin went outta town to do some box business, on the way back on the interstate I put the windows al the way up... I usually leave at least a few inch gap otherwise the subs get choked out. All the way up the doors flexed almost 3", thought they were gonna rip and tear. The port was blowing mad air, circulating the whole cabin. I wish I had paper with or somethin to show it. built the box for ty, gonna put a false floor on top the box fillin the whole trunk

I need to check the front AC door flaps? How do I do that?! tranny is OK, had it flushed. No broken mounts, but the bushings are getting worn, rear leaf springs getting saggy, need re-arched, he said I'm ok for a while..nothing imminent. But.. my AC compressor and blower: I was told to disconnect my compressor when I got the van, but I shouldnt have. Now the berring/clutch is rusted and complaining. Dude said just let it go. When it goes it goes. I bought a recharge kit with oil, didn't help. It's full charged..but not cold in front, not blowing in front, but rear is freezing and blows like a tornado. So I need to check the doors/flaps under the dash?

I am a firm believer in overpowering drivers. I think more drivers are killed from clipping and distortion than from overpowering cleanly. Obviousely, as I am running IB3 18's off 3000 watt amps, though obviousely I'm not giving them 3000 watts. I've been repeatedly told that both the Maelstrom-X 18 and the 06' XXX 18 will take 3000 RMS all day long. So most people would think my 4 AP30001Ds would still be over kill when I upgrade to either driver. However I don't want to push the AP30001Ds hard, I would really like to get 2 more HO alts from Iraggi, 4 more AP30001Ds, and 2 more AGM batteries. However, I don't think my van could handle it. She doesn't flex a whole lot on the outside, but I can see and hear so much stress already from the IB3's. IDK if I could squeeze all that into her, and, thats a lot more $$$ were talking. So if I went crazy and got 06' XXX's... should I just get dual 4 ohm and run each one off of an AP30001D? Or should I try to get 4 more and run 1 AP per 2 ohm coil?

I wanted SAZ-4500D's so so bad, but $$$$$$$$$$$$$$$ and another:

I was watching it on my phone when i posted that. he looked 8 or 9 years old. lol I hope he doesnt check this forum lol... hes a really cool kid, he made a few cracks himself about being too small to hit his head on the roof... cuz his buddy is tall and I had to warn him lol

Ya I chose the wall location judging by the side door and a roof support...are you saying it's further back then I maybe should have done it? It's my first wall. The speakers up top are freakin AWESOME. I caught a lot of shit from a few SQ buddies of mine, but I think I can safely say I proved them wrong. It's not like a PA system in a grocierie store, in fact I think it sounds better up there...sounds like it's coming from strait ahead. There is a bit of flex, but for the output... it's well damped. Once I get it finished I may get into competing and replace the IB3's with 06' XXX 18's... if I tour, I could make it a point to detour for demos! Take the idea and run with it! It works great. I never understood the competative hush-hush secrecy if tips and tricks. IMHO, we should all share and help eachother out, not keep our ideas secret to win. where u at in this god forsaken state? I'd like to see your setup as well! I'm in Watertown! Straight north on I-29! I'll make my way up there one of these days.. you got a shop? You an RE/USAmps dealer or have one there? I think that's in Brookings tho...

where u at in this god forsaken state? I'd like to see your setup as well! I think the camera is severely overloaded close up, but as I get 20 feet away, it can handle it and does a more accurate repro... I noticed that right away too! heres another:

im not expecting to get any decent numbers, I know its 4 18's, walled, and gobs of power... but I'm no competator. I'll be pleased to get 140's but in all reality, I dont even know what 140's really means! 4 IB3 subs... undermotored infinite baffle drivers. 50 cubic feet is a lot. 23Hz is pretty low tuning. But it sounds amazing! here's another vid for yall

sound is top notch! The "kid" in the vid is 2 guys from out of town from the forums that came to see it LOL! He's a little guy, he's older than he looks here's another vid for yall