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    Ryan shaw's Avatar
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    tc sounds lms 5400 old vs new

    Can anyone tell me why the old power handling on the lms 5400 was 5000wrms and now it is 2000w? from my knowledge the only differences are a lighter basket, larger spiders and heavier cone for the new one. seems to me like it would handle the same levels of power. is this just how they rate it or is there more to this?

    i'm looking to run 8000w to 2 of them and hope the new ones could handle this

    also, optimal enclosure ported for the new one is a good cubic foot less than the old. the qts isnt that much lower on it and bl is roughly the same as well as fs and mms, why is there such a discrepency?



    --2004 Lincoln Aviator
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    front amp - Kicker zx100.2
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    Re: tc sounds lms 5400 old vs new

    Isn't there the 5400 and the 5400 ultra?




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    Re: tc sounds lms 5400 old vs new

    ya the new ones are called the lms 5400 ultra and the old one is just the lms 5400. then the audiopulse version was called the audiopulse ultra



    --2004 Lincoln Aviator
    In-dash - Pioneer AVH4300 double din
    Front stage - Memphis coax's
    front amp - Kicker zx100.2
    Sub Amp - Soundigital 8000.1
    Subs - 4 TC Sounds 5200 18"
    Electrical - 300 amp alt from excessive amperage with big 3 and 4/0 cable

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    Re: tc sounds lms 5400 old vs new

    Dont run 5000 rms or even close to it. I have and ended up reconing mine. Throw 2000-maybe 3000 daily to each.



    Current Setup:
    Alpine W-205
    Zapco 4.0
    Scan-Speak Revelator 7" and tweets
    RF 360.2
    Kinetik 1400 up front, Batcap 800, 2000 x2 & Kinetik 2400 in rear
    H.O. Alt.
    Zapco 4KW
    18" TC Sounds LMS-5400

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    Re: tc sounds lms 5400 old vs new

    The new version also utilizes an aluminum voice coil former to reduce eddy current. I noticed no difference from new to old after the recone.



    Current Setup:
    Alpine W-205
    Zapco 4.0
    Scan-Speak Revelator 7" and tweets
    RF 360.2
    Kinetik 1400 up front, Batcap 800, 2000 x2 & Kinetik 2400 in rear
    H.O. Alt.
    Zapco 4KW
    18" TC Sounds LMS-5400

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    Re: tc sounds lms 5400 old vs new

    hmm maybe i'll try running 3. f-ing price tag though. how can i not find anyone selling used ones anywhere? i guess a resonable person would just turn down the gains

    i've got the psi recone of this sub but i don't feel like the lows are there since it's missing the lms coil. it's definitely more efficient and takes a lot more power though. huge gap allowed for a massive 8 layer 4"



    --2004 Lincoln Aviator
    In-dash - Pioneer AVH4300 double din
    Front stage - Memphis coax's
    front amp - Kicker zx100.2
    Sub Amp - Soundigital 8000.1
    Subs - 4 TC Sounds 5200 18"
    Electrical - 300 amp alt from excessive amperage with big 3 and 4/0 cable

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    Re: tc sounds lms 5400 old vs new

    i owned a 15" version and it didnt like 4k rms at all



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    Re: tc sounds lms 5400 old vs new

    **** is it the coil that gives out? i model them in winisd and it predicts the woofer wont reach xmax in a ported box at 6 cubes tuned to 30hz until around 21hz.



    --2004 Lincoln Aviator
    In-dash - Pioneer AVH4300 double din
    Front stage - Memphis coax's
    front amp - Kicker zx100.2
    Sub Amp - Soundigital 8000.1
    Subs - 4 TC Sounds 5200 18"
    Electrical - 300 amp alt from excessive amperage with big 3 and 4/0 cable

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    Re: tc sounds lms 5400 old vs new

    Yes i believe the coil is round instead of flat, its copper not aluminum etc....and i cant remember if its 4 or 8 layer.......That all adds up to lower power handling capabilities.



    Current Setup:
    Alpine W-205
    Zapco 4.0
    Scan-Speak Revelator 7" and tweets
    RF 360.2
    Kinetik 1400 up front, Batcap 800, 2000 x2 & Kinetik 2400 in rear
    H.O. Alt.
    Zapco 4KW
    18" TC Sounds LMS-5400

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    Re: tc sounds lms 5400 old vs new

    I wouldn't put more than 3k on one.....i've seen a lot on the forums over the years give out

    They're not spl woofers at all, they don't need that much power



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    Re: tc sounds lms 5400 old vs new

    Quote Originally Posted by bhsdriller View Post
    I wouldn't put more than 3k on one.....i've seen a lot on the forums over the years give out

    They're not spl woofers at all, they don't need that much power
    Truth. If you want to throw massive amounts of power at these for a long period of time they wont like it.



    * (2) Morel Ultimo 12's * Hybrid Audio Legathia SE Front Stage * RF 360.3 DSP * Brax 2400 * JL Audio HD 1200/1 *

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    Re: tc sounds lms 5400 old vs new

    copper theoretically dissipates heat better, but i think it can expand and warp with high heat. and it's not a very efficient woofer for its size so i figured it would eat up power but i suppose not.



    --2004 Lincoln Aviator
    In-dash - Pioneer AVH4300 double din
    Front stage - Memphis coax's
    front amp - Kicker zx100.2
    Sub Amp - Soundigital 8000.1
    Subs - 4 TC Sounds 5200 18"
    Electrical - 300 amp alt from excessive amperage with big 3 and 4/0 cable

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    Re: tc sounds lms 5400 old vs new

    New FTL...had one and in 6.0 cubes @ 31hz it got stinky on a Sundown 2000D @ 1ohm......shrunk the box down to 4.5 @ 28hz and it did much better on a Lanzar Opti6K @ 1ohm....PSI can make those things MONSTERS that's for sure!




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    Re: tc sounds lms 5400 old vs new

    It does, if I could find a 5400 motor anywhere IDE get another psi! I think the lows aren't as clear or loud on the psi though



    --2004 Lincoln Aviator
    In-dash - Pioneer AVH4300 double din
    Front stage - Memphis coax's
    front amp - Kicker zx100.2
    Sub Amp - Soundigital 8000.1
    Subs - 4 TC Sounds 5200 18"
    Electrical - 300 amp alt from excessive amperage with big 3 and 4/0 cable

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    Re: tc sounds lms 5400 old vs new

    Quote Originally Posted by Ryan shaw View Post
    It does, if I could find a 5400 motor anywhere IDE get another psi! I think the lows aren't as clear or loud on the psi though
    I don't think he uses an lms coil



    Team Flex Issues
    4 18" Mayhems
    2 bc5500's


    Bought from: ameduce(x2), Hatchet_Warrior, jeeper07,DB_DRAG_SPL,ssackett, lyttleviet,MillzThaYungin, blackbonnie, ryan1126, Goindef154(x2), Lonnie, dave_damage

    Sold to: Ilovebass, nismos14, chednompton, teen, jonesy

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