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  1. I

    My new TC sounds LMS Ultra 5400 18" sub in a ported box!

    So I had my enclosure built by a friend it is very well braced and with the sub in it it weighs 265 pounds. Don't have pics of the inside of the box but has tons of window bracing. The box is 25" x 31" x 26" outside dimensions. 2 inch front baffle and tuned at 20hz. I have heard 2 SVS PB 13...
  2. I

    What size sealed box for my TC Sounds 5400 ultra 18"

    When you say stuffing it do you mean polyfill? Why would that counter the bracing? Sorry I think I misunderstood what you were trying to say.
  3. I

    What size sealed box for my TC Sounds 5400 ultra 18"

    why 22" cubed? 21" x 20" x 17" should work right? That would be 3.3ft3 with about .40 displacement for the bracing and .30 for the displacement of the sub.
  4. I

    What size sealed box for my TC Sounds 5400 ultra 18"

    Is a sealed box that is 2.4ft3 a good sized box for my tc sounds 18"? On winisd it said that it was perfect for this sub.
  5. I

    Box depth for a TC Sounds LMS Ultra 5400 18"

    Sorry I didnt provide all the info... The box will be sealed.. 20" x 19" x 14". On WINisd it said 2.25ft3 would be the ideal enclosure with a Qtc of .71... Im wondering if the box was 12.5" deep would the back of the sub have enough space behind it to properly cool? The sub is 11.5" deep so the...
  6. I

    Box depth for a TC Sounds LMS Ultra 5400 18"

    I am going to purchase 2 of these subs. My question is... whats the smallest dimension for proper air flow to the back of the sub? The sub is 11.54" deep. So would a box that is 1 inch deeper than this be enough room for the sub to breathe? Thnak you!
  7. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    Yup already have the car sound deadened with dynamat. Thanks.
  8. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    Oh ok I see thanks!
  9. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    So I am not sure why you guys would cross it over at 100hz instead of 80hz?
  10. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    How could it roll off at 116hz if its crossed over @ 80hz? :confused:
  11. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    Would this sub sound crappy without EQ'ing in a sealed box?
  12. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    2400 watts in a trunk of a 2008 Honda Accord. No subsonic filter since its sealed and crossed over at 80hz.
  13. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    So the box has to be about 2.7ft3 before sub and bracing dispalcement you mean?
  14. I

    TC Sounds LMS Ultra 5400 18" in small sealed box?

    Just wondering if a TC Sounds would sound good in a small sealed box or should it only be used ported? I will be giving it 2400watts RMS. I am wondering if I did something wrong on WinISD because its saying this sub should be in a 2.3ft3 box giving it a Qtc of .71... is this correct? It sounds...
  15. I

    WTB TC Sounds LMS Ultra 5400 18"

    WTB TC Sounds LMS Ultra 5400 18"
  16. I

    How will subsonic filter affect a subs performance if its set above the tuning of the box?

    Ok I have a box that is tuned to 20hz but have the subsonic filter set at 30hz. Will this affect the performance badly or what will happen. The reason I did this is because the box wasnt designed for this sub. The sub has an f3 of 34hz. Thanks for your time everyone!
  17. I

    Need help deciding on sub

    Not sure how to do the vent velocity or thefirst vent resonance. Crossover point will be 80hz and subsonic at 20hz. All I have is winisd beta. Do I need another program to model with?
  18. I

    Need help deciding on sub

    I am going with the Stereo Integrity 18". Box wil be 8.6ft3 before displacements. Port will be 2.5" x 20" x 48" for a tune of 20hz. Port displacement will be 2.0ft3 and sub displacement is .25ft3 and bracing will take .35ft3 leaving me with 6ft3. Sound good?
  19. I

    Need help deciding on sub

    The $300 is for sub only I already have an amp and will have someone make the ported box for me. And will the port be big enough at 2.5" x 20"
  20. I

    Need help deciding on sub

    How about a stereo integrity 18" What size box would I want tuned around 22hz?
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