Fi Technical

I am needing box plans for a FI.Q 12. I know I could probably go out and buy one, but I would rather build it myself. I am planning on making 1.3 cubes like recomended as optimal. I don't want just a square box though. I would like it to be 4 sided with a little slope in the front. I'm sure you know what I am talking about, I hope. Anyway if you could tell me the size height, depth1(bottom), depth2(top), width, and angle that the slopes on the front usually are, I would appreciate it very much.

i bought 2 12" Bl's from a guy here in chicago for cheap....i really did want the Bl's at first but after thinkin about it, i want somethin thats got good sound quality and solid, pounding bass as well. i know the Bl's pound pretty hard and are basicly designed for spl but are they okay in sq? i have never really heard what a q sounds like in comparison to the bl. im not a stickler for amazing sound quality, but i want something thats kind of clear but can still scare people when they hear it and have some flex. my final system isnt going in until next summer so i have time to "decide". of course after i buy the Bl's i ask this question. and if any of that doesnt make se…

Which would be louder? (Daily) 1. (2) fully loaded BL15s with about 3.2ft3 and 50sq" of port "each" tuned to 33Hz..... with a Hifonics Collosus (3200rms x 1@2ohm) so that would be about 1600rms each. or 2. (1) Fully loaded BTL18 with about 7ft3 and 120sq" of port tuned to 33Hz......pushed off of a Hifonics Collosus also. Going in a 2dr Explorer Sport

i will be buying 3 12" q's in the future with the bp option but was wondering what VC comes in these, the site just simply says 3" 4 layer coil. is this a flat coil, or a copper coil or what, i was reading the coil options listed and it would seem to me that a copper coil would be best in this with it being a SQ orriented sub, but correct me if i am wrong. Will be running these off a Sundown 3000d on a daily set up that will see comps ocassionally wired in a series/parallel combination to right at 1 ohm. FI guys prefered on replies as i am looking at thier view point being that i know they know thier products better than no one else. no offense to anyone else there so pl…

Will a 18" BTL handle 2 Memphis 4kw for Street Beat or burps. Also when building for SPL only is it better to use a small or large box. Can you also let me know what a recone costs for a BTL a 15" & an 18".

i need a box design for 2 18" btls. i have enough trunk space but where the port and subs would fire kinda confuse me. the dimesions of my trunk are 27x42x25. would that be enough to run 2 btls with port area? can you even run the btls sealed. i never see anyone talk about sealing them. please help cause i am tryna purchase these subs and keep it movin. hallelujah holla back.

Site says the cutout is 14.125 what does that equal out to? I have a router jig, is it like 14 1/16? Or 14 1/8?

I know a guy selling a BTL motor, he said it was custom machined for 1.4 ohm coils, this sub could only be reconed to 1.4 VC's correct? And would I have to order a custum recone kit for it being it is an unstandard 1.4 VC vs the standard 2 ohm or 1 ohm vc's?

Just placed an order for my 15" BL Anyone willing to help me with a box design? Trunk Dimensions Estimating: 36 x 36 x 18 width = 36 in. length = 36 in. height = 18 in.

Hi everyone. im just stoppin by cause i was wondering how much it would cost to get a recone on a SSD sub. thanks

I used to get Chris @fishercustoms to do my box designs but their forum is not active much and Im not sure if he still does them. Who else does designs, need for 2 FI BL 18's in a wall in a 2012 scion xb

will it be safe if i'm smart with my gains? is bp power a must? i plan on not using the full 1600w. because my electrical will crap. 2.24cuft 34hz thank you

The ssd 15" does 21 mm xmax. How did you guys get 27 out of the Q15" with only 200 more rms? Also will it be alot louder then the ssd 15"? Its going in a ported enclosure.

2004 Monte Carlo a pair of 18" fully loaded BTL's a pair of Power Acoustik A3000D amps one lonely termlab 500 pounds of wall... 153.6 @42 hz windshield 152.5 @38 hz MECA reality stand 151.8 @30 hz winshield ...and just for Meade... 150.6 @27 hz all in all these subs are very impressive and tough. the monte carlo lacked a lot of the needed airspace to make this setup do the 155 i was projecting but a little added wattage will fix that issue (BTL's like power and dont be afraid to give it to them). innitially there was some metering issues getting the car to go over a 150 which is the main topic of my post. 40…

Well i asked quite awhile back what i should tune to if i wanted a loud daily listener, and most people stated 33-35 hz. It turns out that the box i've made is 34.97xx, so i just want the final word from people before i seal up the box and have to live with it. I mainly listen to rock and rap, and want it to be loud, but won't be visiting a TL anytime soon. Edit: Sub: 18" Bl. Box: 6.3 cu ft, tuned to 34.97xx. amp: would love sundown, but may have to settle for a bxi2006d (which would be alright for me, just would prefer the sundown)

i'm looking to run 2 btl 18's in 12.09 cubes gross in my trunk for daily. lmk

I have an ssd 10 under the back seat of my nissan titan and im havin problems with it hitting the grill i have on the box when it pounds. Ive been adding wood to create more space between the sub and the grill but i was wondering if there are any other techniques i could try. Any help would be appreciated.

In another fourm Im being told I need to change my tuning frequency from 32hz to around 60hz. Im running a FI q 12 d2 with a Crossfire VR 1000d. It would be for outlaw spl only not daily. FI doesnt recommend going outside of there suggestions, could any harm be done to my sub by tuning it this high ? Would there be any gains ?

How u doing FI, im from miami fl and i have a single cab dodge ram 1500 with 3 15" kicker cvx subwoofer in a sealed box. All powerd by 3 1100 MONOBLOCK MEMPHIS amplifiers. I have 2 kinetic batterys and a 250 amp alternator. I hit around 152.4 db. now i know that your bl 15 will fit in the box, but i only have 1.8 cubes per speaker. what do u suggest? Maybe getting the Q that also handles 1000 watts rms? basically what speaker will give me the most db's with the set up i have now? here is a pic of my set up. Thanks and i look foward to joining team FI

will the 3500d be enough for 2 btl?

I have a 94 Ford Lightning and currently have a Alpine CDA-9883, Kicker KS components,4 gauge wiring, 12" L7 and Hifonics 1508D amp. Im wanting to get as much bass possible out of a single cab truck without cutting my truck up. So im looking into the BTL 12".Should I go fully loaded? I will be playing this sub everyday. At 1st I will have it running off my Hifonics amp putting out 1500rms at 1ohm. Do I need the dual 1 or 2 ohm to run it at 1ohm load? Then when I get some more money ill get a better amp. How much power can a fully loaded BTL 12" take daily? Im thinking about the Power Acoustik BAMF 5500 amp putting out 3200rms at 1 ohm. The biggest box I can fit in my tru…

Hi, I currently have the SSD's w/ copper coil in about a cube sealed. My buddy had a box, 3.5 @ 32hz I believe, that he said I could use if I needed. Would that box be good for the SSD's or will it be too small? I could use the slight bump in output, unless the box is too small.

Does the cooling option effect the performance of the sub? like does it make the sub quieter or anything? i read the flatwound coil makes a sub prone to peak so what does the cooling option do?

whatup folks. i am going to run a second battery in my car i know that 0gauge is the best but can i get away with 2gauge? i already have the whole car wired with phoenix gold pos and neg 2 gauge. would hate to have to buy all new wire if i dont have too. i am only running us amps 400, and esxq404 four channel amp with soon to be ssd 12's with copper coils. im thinking this would be okay but im not sure never ran two batteries before. sorry for all these questions but i m just now realizing that as loud as my systems have been i could get more out of them since ive found forums like this to help. thanks for any help you guys can give.

Im designing my box now for my BL 18 and wanted to check something i read in the BL sticky for enclosures. For the ports, you need 12-16 in3 for each 1 ft3 the box is? So this means that the port would have the same volume or bigger than the whole box? Heres my box idea before i read this post, It has a little over 1 ft3 ports due to the aero. http://feat.putfile.com/profilepics/main/6...75120100648.jpg I will post picks of the trunk and the denesions later to see if someone can help with a better design.