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Reload Thread: The Thousand Dollar Sub-stage

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    Trepkos's Avatar
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    The Thousand Dollar Sub-stage

    Ok, Well I had this sub-stage.

    1x 15" Fi Q
    3.35ft^3 Custom-Made Box(Fitting directly behind the seat)
    This box has a 7x7 square port that was 20+ inches long and tuned to 34hz.

    All this was powered by a Hifonics Bxi1606d amplifier.

    Anyways it didn't turn out as great as I would thought. It wasn't very loud, couldn't hit the lows very smooth and starting clipping pretty easily. So now Im coughing up a good bit of cash on the following:

    2x 12" Fi Q's(Yep going with the Fi's again due to large xmax for sealed enclosures)
    Dual-Chamber sealed enclosure(1.6ft^3 per chamber after sub displacement).

    This box is going to be custom-built. The amplifier powering this will be a AQ2200D mono amplifier which will hopefully supply the subwoofers with around 1100watts a piece. More than enough to get them moving and sounding nice, clean, smooth, and loud.

    Any suggestions on this subject? Better amp? Better subs? Better setup as a whole? Not interested in blowthroughs. I just want something thats pretty loud but sounds great while doing it and hits the lows extremely smooth and nice instead of the usual clippy sound that I hear from the usual Jensen, sony xplode setup.



    Refs: BuckyBoy, 6spdcoupe, Harleyfx69, Blinkrazy
    1999 Regular Ford F150

    HU: Kenwood eXcelon KDC-X991
    Front Stage: 08' RainbowSLC 265.25 Components w/ CAL25 Silk Tweeter
    Front Stage Amp: Sundown SAX-100.2
    Sub Stage: 2x 12" Fi Q DVC 1
    Sub Stage Amp: Audioque 2200D
    Enclosure: 3.52 Dual Chambered Sealed Enclosure by BJ Fisher
    Deadening: RAAMAT BXT/Ensolite
    Wiring/Dis. Blocks: KnuKonceptz Kolossus/Krystal/Karma SS Wiring/JL Audio




  2. #2
    cdimic25's Avatar
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    Re: The Thousand Dollar Sub-stage

    2 9112s. Zapco amps and electrical to boot




  3. #3
    chaunb3400's Avatar
    chaunb3400 is offline I ship faster than you!



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    Re: The Thousand Dollar Sub-stage

    U want to spend 3k on just a sub stage???


    Frontstage>>>>>>>>>>>>>>>Sub stage...



    I can help you ship your heavy items pm me

    Also i collect subs oh yeah only 15's

    http://www.caraudio.com/forum/showth...00#post2943100

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    Re: The Thousand Dollar Sub-stage

    **** sorry to hear you couldnt get that 15 slamin this should be pretty loud ...




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    Re: The Thousand Dollar Sub-stage

    ahhhhhhhhhhhhh theres no such thang as the term substage




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    req's Avatar
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    Re: The Thousand Dollar Sub-stage

    if you cant get a 15" sub to hit hard. then i dont know what to tell you. sounds like the box was not designed very well. but i dont know anything about speakers.




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    Re: The Thousand Dollar Sub-stage

    Quote Originally Posted by chaunb3400 View Post
    U want to spend 3k on just a sub stage???


    Frontstage>>>>>>>>>>>>>>>Sub stage...
    No not 3k, the title was

    "The Thousand Dollar Sub-Stage"

    As in 1k. Which is very reasonable for a substage.

    And IMO, substages do exist. Just because in the perfect world of SQ it would blend perfectly with the front stage doesn't mean it doesn't exist. It is still there as far as I'm concerned, whether you can position it or not.



    The System :
    Electrical: Big 3, Powermaster D1200 and D3100.
    Sub Stage : 18" Custom Sundown Nightshade D2 Tuned to 30 Hz
    Sub Amp : Sundown SAZ-3000D
    Headunit : Alpine 9887 (ACTIVE )
    Front Stage : (2) Eminence Delta 10" mids, 2 Power Acoustik NX-5s
    Rear Pro Audio: (4) 8" Selenium 8W4P, (2) Selenium ST350
    Pro Audio Amps: Hifonics ZXi6010, Hifonics ZXi1010, Kicker ZX350.4
    Wiring : Kicker Hyperflex/Knu 0ga/RCA's
    Refs : Apocalypse Boy, Brian Owens, JBLCamry, ABSOLUTEAUDIO, BushJ311, tEh koRnDog(x2), blackbonnie, ProjectPat06, ampjunkielikeme, DownSouth954, Tapout, PaulThompson229, Mrogowski, Team H&K (Kent), andrewmoore13, slam, 100% eBay

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    ultimate157's Avatar
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    Re: The Thousand Dollar Sub-stage

    I don't even have $1000 into my subs/amp...

    IMO your custom boxes probably aren't being built very well.

    Aslo, don't know who setup the amp, but a 1606 shouldn't need to be turned up to the point of clipping on a single Q.



    2003 Volkswagen Jetta GLI VR6
    Source: Pioneer 880 PRS *Active
    Tweeters: Soon to be Hat Imagine
    Midrange: Soon to be Hat Imagine
    Sub: 15" SSA Icon
    Box: 2.5^3 Sealed
    Amp: Soundstream Tarantula 2kW

    Feedback: http://www.caraudio.com/forum/showthread.php?t=278169

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    Re: The Thousand Dollar Sub-stage

    1 15" Q in a ported box should be decent for a daily...if anything maybe upgrade to a better amp if that is underpowering it




    Refs: themommyvan, CharlieAnderson, bassknocker23, bigbirney420, wu501, _JaY_, lrc131, R/T Pimp, NeverEnuffBass, d-REW, slapmaster, headbussaboi, edzy, adio, 1ndatrunk, jfink, k_schutte, bigredhybrid, ARSkemp, s-saudio, pimpdaddyq, AudioFreak, scarolinablazin, ssackett, kylebechtold, craigzter, etc..................

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    Re: The Thousand Dollar Sub-stage

    Yeah that amp shouldn't have been clipped as the Q takes like 1000-1200 without the BP Power option. I'm sure the HiFonics could put that out even if it is a bit over rated.

    I think you need to get your installs done somewhere else.

    And if that 15" Q wasn't getting loud or playing well, i think you need a better box builder



    The System :
    Electrical: Big 3, Powermaster D1200 and D3100.
    Sub Stage : 18" Custom Sundown Nightshade D2 Tuned to 30 Hz
    Sub Amp : Sundown SAZ-3000D
    Headunit : Alpine 9887 (ACTIVE )
    Front Stage : (2) Eminence Delta 10" mids, 2 Power Acoustik NX-5s
    Rear Pro Audio: (4) 8" Selenium 8W4P, (2) Selenium ST350
    Pro Audio Amps: Hifonics ZXi6010, Hifonics ZXi1010, Kicker ZX350.4
    Wiring : Kicker Hyperflex/Knu 0ga/RCA's
    Refs : Apocalypse Boy, Brian Owens, JBLCamry, ABSOLUTEAUDIO, BushJ311, tEh koRnDog(x2), blackbonnie, ProjectPat06, ampjunkielikeme, DownSouth954, Tapout, PaulThompson229, Mrogowski, Team H&K (Kent), andrewmoore13, slam, 100% eBay

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    Re: The Thousand Dollar Sub-stage

    Quote Originally Posted by x2o View Post
    Yeah that amp shouldn't have been clipped as the Q takes like 1000-1200 without the BP Power option. I'm sure the HiFonics could put that out even if it is a bit over rated.

    I think you need to get your installs done somewhere else.

    And if that 15" Q wasn't getting loud or playing well, i think you need a better box builder
    No. 1 - Installs are fine, everything else sounds/works fine.

    No. 2 - This was the box.

    No. 3 - I'm not here to cause negative publicity for my box builder, Hes building me my second sealed box. And there is honestly is no way you can screw up a sealed enclosure.

    No. 4 - Ugh, I just used sub-stage as a metaphorical term.

    No. 5 - 1k...

    No. 6 - My front stage is pretty much complete, unless I go with another comp set in the kick panel.

    No. 7 - DD subs in a sealed enclosure? :S



    Refs: BuckyBoy, 6spdcoupe, Harleyfx69, Blinkrazy
    1999 Regular Ford F150

    HU: Kenwood eXcelon KDC-X991
    Front Stage: 08' RainbowSLC 265.25 Components w/ CAL25 Silk Tweeter
    Front Stage Amp: Sundown SAX-100.2
    Sub Stage: 2x 12" Fi Q DVC 1
    Sub Stage Amp: Audioque 2200D
    Enclosure: 3.52 Dual Chambered Sealed Enclosure by BJ Fisher
    Deadening: RAAMAT BXT/Ensolite
    Wiring/Dis. Blocks: KnuKonceptz Kolossus/Krystal/Karma SS Wiring/JL Audio

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    ultimate157's Avatar
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    Re: The Thousand Dollar Sub-stage

    so you say everything is not working correctly, then you say everything works fine.

    2 12's is only a 22% increase in cone area, and in a sealed enclosure might not be much louder than a 15 ported on equal power.



    2003 Volkswagen Jetta GLI VR6
    Source: Pioneer 880 PRS *Active
    Tweeters: Soon to be Hat Imagine
    Midrange: Soon to be Hat Imagine
    Sub: 15" SSA Icon
    Box: 2.5^3 Sealed
    Amp: Soundstream Tarantula 2kW

    Feedback: http://www.caraudio.com/forum/showthread.php?t=278169

  13. #13
    req's Avatar
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    Re: The Thousand Dollar Sub-stage

    a sealed enclosure with 2x12 woofers versus a single 15 in a ported enclosure will be just about the same SPL level assuming all other factors remain the same.

    you wont be getting much more, but you will be out $1000.




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    Re: The Thousand Dollar Sub-stage

    Quote Originally Posted by ultimate157 View Post
    so you say everything is not working correctly, then you say everything works fine.

    2 12's is only a 22% increase in cone area, and in a sealed enclosure might not be much louder than a 15 ported on equal power.
    Front-stage is fine. And I didn't really hear the extremely large output in volume that ported boxes are "famous" for...

    But like I said, it isn't a matter of upgrading for the hell of it and being out 1k for the hell of it as much as its a fact of trying to get the sub-stage to actually sound great which it did not before.

    There may have been issues with the amplifier, I did trouble shooting, unfortunately i don't have a O-scope or a highly advanced DMM so I could do was use what I read on my rather cheap DMM. I hooked the subwoofer/box up to another amplifier in another truck with no marginal increase in volume. I hooked up the subwoofer to several different amplifiers, took the box and subwoofer and tried it outside, in other vehicles. Still nothing satisfactory.

    I'm tired of seeing videos or hearing other system with their cheap Walmart/Pawn shop brand subwoofers and watching them outperform my subwoofers. I'm going with the safest and most foolproof bet here and thats two 12"s in a dual chamber sealed enclosure. So tbh if the 2x 12" subwoofers in the large sealed enclosures perform upto the standard that a 15" in a proper ported enclosure would? Then it would be a success.

    I would blame the error on my install, or my wiring, or the head unit if it wasn't for the fact that the sundown amplifier and rainbow comp set, and the x991 were performing just as they should.



    Refs: BuckyBoy, 6spdcoupe, Harleyfx69, Blinkrazy
    1999 Regular Ford F150

    HU: Kenwood eXcelon KDC-X991
    Front Stage: 08' RainbowSLC 265.25 Components w/ CAL25 Silk Tweeter
    Front Stage Amp: Sundown SAX-100.2
    Sub Stage: 2x 12" Fi Q DVC 1
    Sub Stage Amp: Audioque 2200D
    Enclosure: 3.52 Dual Chambered Sealed Enclosure by BJ Fisher
    Deadening: RAAMAT BXT/Ensolite
    Wiring/Dis. Blocks: KnuKonceptz Kolossus/Krystal/Karma SS Wiring/JL Audio

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    Re: The Thousand Dollar Sub-stage

    Quote Originally Posted by req View Post
    a sealed enclosure with 2x12 woofers versus a single 15 in a ported enclosure will be just about the same SPL level assuming all other factors remain the same.

    you wont be getting much more, but you will be out $1000.
    So what then? Does he just have expectations too high? I wonder about this when people see vids of subs that are in enclosures built for SPL and then compare that to a low tuned box built for a flatter response.

    I realize that we are all working at a disadvantage trying to diagnose the issue over the internet.




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