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Fi Technical

Chat with Fi

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  1. Hi all.I just placed my order for two SSD 18's.I can't wait to get them but in the mean time I was wondering how much power can they handle? I have a Autotek Street Machine 1500 watt amp that I was planning on using with them put I was curious if they could handle it.I did not get the BP power or flatwind coil when I placed my order.I got dual 1ohm instead of dual 2 ohm voice coils so im planing on running the subs at 1ohm.Any advice or help would be greatly appreicated.Let me know if any more info is needed and ill post it up.Thanks

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  2. Started by DMark1,

    I want to build a sub for home theater, using 2 Q15s in one sealed cabinet. What modifications can Fi make to optimize the Q15s for home use? I'll need a complete listing (including Le inductance) of the modified T/S specs for my modelling. Ideally, I would want the drivers to be optimized for a sealed cabinet volume between 4 and 7 cubic feet. Thanks.

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  3. Started by alaskanbass,

    so will 3 ssd 12's work in a 5cf box tuned at 30hz work? i have a thing from subwoofer tools.com right now im tryin to figure fit the subs on the box design on google sketchup heres the link to the box for 3 ssd 12's i guess http://subwoofertools.com/forum/ported-box...mp;Fs=&CE=0

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  4. Started by fiveoh,

    I'm thinking of buying a FI Q to put in a sealed box in my spare tire well. The dimensions I have to work with are 24"(width)x26"(Depth)x10"(height). I'm a complete noob when it comes to building boxes but want to try to do this one. How do I figure out if I can make a box that will work with the FI Q with those dimensions and what size to make it etc?

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  5. Started by deerhunt1988,

    I am looking to build an SPL box for two 15" Fi SSDs with copper coils... I am just going to switch out of my daily box to this box when I go to competitions... What size box, and tuning would be best? I have a '95 4-door Blazer it will be going in.. I was thinking something along the lines of 6ft^3 tuned to 45hz..

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  6. Started by lilbone44,

    do anyone know what the prices will be to recone an ssd 12 2dvc Flatwind Coil?

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  7. Started by optical,

    how does this look. the sub will be in the trunk firing into the cabin with the port as well I'm also debating between the sundown 2500d and the audeque 3500 to run a 15" Fi btl at 1 ohm my electrical consists of at the moment optima red top up front optima yellow top in the rear, big 3, 0 gauge through out

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  8. Started by yobro,

    you guys think a 10 cu ft box ported tuned anywhere from like 30-34 is alot? i was talking to a guy about him builing me a box casue i dont wanna get into making one. he said around 10 cu ft. tho its also going in the back of a suv. but do you guys think thats alot for just a single 18 bl running off a hifonics 2k watt.im not gonna be giving it to much probly arounf 1200 to 1600 its got pf chamber and cooling -thanks

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  9. Started by kippo,

    what does Universal option do to the sub frequencies response? will it make the SPL lower since the motor is not optimised for the coil impedence chosen? or does it give the 'peaky' effect like flatwind?

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  10. Started by wof131s,

    Is a 2.9-3.0 cuft.(after all displacements) to small of a ported enclosure for the Fi Q?

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  11. Hey everybody, I have a BL 15 dual 2 with every option except universal and extreme leads. I am currently giving the sub about 1400 watts RMS. I am pretty sure that it can handle this, but since it is quite a bit above the rated power I just wanted to be sure that I am not going to blow the sub (because it gets REALLY loud). I am sort of afraid to turn it up all the way right now so any advice would be appreciated. My amp is a Lanzar Opti2000D and my head unit is a Pioneer DEH-P6900UB (if that matters...) Install pics (just for fun): http://img85.imageshack.us/img85/3536/dsc04662lz5.jpg http://img132.imageshack.us/img132/7650/dsc04659ym2.jpg http://img152.imageshack.us/…

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  12. Started by Brandon445,

    I am about to build a new box for my bl and I wanted to know if it would sound better with the sub facing up and the port facing the back door on my jeep or have the sub and port on the same side?

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  13. Started by tehboss,

    Hi, i recently bought a recone kit for my Btl. It was a 12" and I am upgrading to an 18". I cut the surround and spider to remove the cone. Now, i see the screws holding the basket to the motor. Simple, right? Well i cant get the screws to break from the motor. They were soldered on to the metal. I broke the solder with a screwdriver, and now i'm left with six screws that WILL NOT budge. I really put some power behind one screwdriver and the screw started to strip on the top. Any ideas?

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  14. Started by M J DUB,

    I am new to car audio and need some help with what i would need for a subs as powerful as the BTL's. I heard you need a charging system for your amp to keep up with it, but im not sure what that is. Also what kind of amp would i need for, lets say 2 15" BTL's

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  15. Started by Breakjunki,

    I know that FI can recone the 3hp motors(3000's) w/ the tall top plate. Its has the 4 holes on the top plate. I know you machine adapters. My question is, instead of sending 70 lbs of motors to you to be reconed, could you just send me the recones/baskets adapters and I'll do it myself. It'll prob save a bunch of money and possible shipping damage( I don't have good luck )... Thanks, Joe. P

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  16. Started by wrldzmyn,

    I want to build a SPL enclosure for a show coming up and wasnt quite sure about size and port. What I was going to build was... 42" x 15" x 10" with a port that was 10" x 4" x 21" Will this be good ?

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  17. Started by B.us.T,

    Hey guys , i want to build an sq box for my FI BL 10 ! I hope you can help me with the port an the size of the box ! Thanks for helping me ! Nice regards

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  18. Just got my 15" BL two days ago "THNX Scott!" Just wondering your guys opinion on this box design... does everything checkout? I'm iffy about the 3.8ft^3 should i cut it back to 3.5^3 http://www.subwoofertools.com/forum/ported...s=34.5&CE=0

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  19. Started by jonesy,

    Is it possible to order just a recone kit and diy? If so what are the prices on 12" and 15" BTL's anyone know? Also is there a way to contact Fi directly other than e-mail like a phone number?

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  20. Started by rlecky,

    I have 2 rockford P2 15" d on a TMA amplifier 500.1 in a 4.5 Cu. Ft. Box ported. I'm in the process to get 2 Bl 12" d2 and I need the know if the HIFONICS BRUTUS BXi2608D will be a good option (cheap one) in a 5.0Cu. Ft. This will go in the trunk of a Toyota Yaris 5 door. My budget is pretty tight, that the main reason why I decided the BXi2608D. Here are the pics of my trunk Visit My Website

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  21. Started by michael,

    Should the ports be on the same side as sub is on or not? I want my BTL's to fire up and the ports to fire up to. Does it matter where the port is on the box? Would it hit harder with the subs and port towards the back of my excursion? Thanks...

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  22. Folks, I want to try to do my first DIY subwoofer for home theater. I've heard some folks say that the SSD or Q series model well for home theater? Which driver would be best.....and what size enclosure (I can build a slot ported box) for home theater use? I would like to be able to go low....but still use for music. Edit: This will be an 18" build...... Thanks! Chris

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  23. Started by UNIT 6639,

    I broke my terminal loose pulling the sub out of its box, I tried crazy gluing it back but that aint working, My question is, whats the bolt for on the terminal, the terminal is not screwed on, it looks as if it was just glued on over top of the screw instead of screwed down. Now, I cant get the terminal flush with the screw head to even glue it down properly, what would you guys suggest? Right now, the terminal is just flopping around, I know that cant be good

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  24. Started by nyankees278,

    ok so what im gunna do is put a single 12" BL into my f150....i have a bench seat in the rear so im gunna fold the short side, which is behind the passenger, and put the sub box there....i have approximately, 18" wide 16" deep and about 20" in height...the height is flexible tho....i have a kicker zx1500.1....can any one please help me design a box? thank you

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  25. Started by Jybfan04,

    How much can these take cuz my saz-1500d is feeding them pretty well but sometimes it sounds like they can take a bit more power...???

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