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  1. Sealed Subwoofer Build Projects
    Eventually I'll build my 20 cubic foot LLT. But for now, I want to build a sealed box for my avalanche 18. It'll be run with an EP2500 and a feedback destroyer pro. It'll be used for 80% movies, 10% games, and 10% music. How big should I make it? Right now I'm thinking about a 2' cube. That...
  2. Ported Subwoofer Build Projects
    Ok, so I used to have my avalanche 15" in my single cab truck behind the seat in a sealed box around 2.3 cubic feet. I replaced it with something smaller and now would like to see what it can do for HT. I am a noob to HT, but not car audio, so bear with me. I was thinking of doing 300L at 15hz...
  3. Classifieds - Speakers and Subwoofers
    Selling my Ascendant Audio Avalanche 18 that was used in a 28" sonosub for about 3 years. Asking $250 plus shipping paypal add 3%
  4. Classifieds - Speakers and Subwoofers
    Selling my Avalanche 18. It has been used in a 30" sonotube for the past 2 years and was bought new by me. Works and sounds perfect. Asking $250.00. I do have the sono if anyone is interested, however that will be for local pickup only. Will ship the Avalanche. Buyer pays shipping, paypal add 3%
  5. DIY Subwoofers - General Discussion
    I need your help guys. I'm trying to design a sealed box (two boxes actually) for my two AA Avalache 18's I just bought. They are going to go in between my mains and my center behind my screen wall. I'm powering each one off one channel of a EP2500. I have space for close to 10cf per box. I...
  6. Ported Subwoofer Build Projects
    Hi all, I've posted this on a different forum but I figured to try it here. Currently, I have a sonosub 300L tuned to 15hz or so...using Avalanche 15 and powered by QSC 850 amp. The sub sounds great and all but the size and the height of the sub is just too big. My Fiance wants me to build...
  7. Ported Subwoofer Build Projects
    I'm working on my home theater. Doing a full revamp, going from a 65" dlp with a Bose lifestyles 28 for sound to an epson 8100, 110" AT screen, onkyo sr608 reciever running a set of wharfedale zaldek speakers and an aa avalanche 18 in an llt or something close. It'll be powered by a behringer...
  8. Classifieds - Speakers and Subwoofers
    ****SOLD**** Original owner of two Ascendant Audio Avalanche 18" subs. They were in an IB for 3 years. I moved and I am no longer able to use them the way they were meant to be used :(. Only driven with 350 watts each. They have been used a lot but show no signs of wear. One time they showed...
  9. Classifieds - Speakers and Subwoofers
    SOLD - I have four - eighteen inch Ascendant Audio Avalanche drivers that were installed in my Infinite Baffle subwoofer. I am in the process of having the living room redone and the IB has to go, so I have no need for these drivers anymore. Three of the drivers are in very good shape, but the...
  10. Ported Subwoofer Build Projects
    Motor and basket is an Avalanche and the soft parts are from Fi. Parameters should still be the same as the original Avalanche. I am upgrading from a Mach5 MJ18-M. I will be building a 11 cuft net box tuned to 17hz with a single 6" aeroport. I still haven't figure out if I will port on the...
  11. Classifieds - Speakers and Subwoofers
    FINAL PRICE - $275 pickup in silver spring, md only.
  12. Classifieds - Speakers and Subwoofers
    i just bought this on here about a month ago, things came up so here it is 15" D2 Ascendant Audio Avalanche. xbl^2 motor, great SQ, 800 RMS, 10/10 working, 9/10 cosmetic it has a few scratches on the cone but once again you have to look to find them, the chrome on the motor is flawless...
  13. DIY Subwoofers - General Discussion
    After MONTHS of kicking around ideas, I finally have started a build. I’m looking to build new subs because I want to get better low bass output then my present sub offers. So after shopping around and doing countless drawings and plots, I made a deal to purchase 2 Ascendant Audio Avalanche 18”...
  14. Ported Subwoofer Build Projects
    Discussed the project beforehand here: http://www.hometheatershack.com/forums/diy-subwoofers-general-discussion/23415-avalanche-15-7-cubes-advice-needed.html The plans: 7 cubes, two 4" ports, 19hz It was not fun working outside below freezing! MDF dust literally froze to the ground and had to...
  15. DIY Subwoofers - General Discussion
    After MONTHS of kicking around ideas, I finally have started a build. I’m looking to build new subs because I want to get better low bass output then my present sub offers. So after shopping around and doing countless drawings and plots, I made a deal to purchase 2 Ascendant Audio Avalanche 18”...
  16. Classifieds - Speakers and Subwoofers
    i need another 15" but i will buy any size. i know someone on here has one that isn't being used and i will pay good money just bought the one from southworth, so he can be my reference. thanks, chris
  17. Classifieds - Speakers and Subwoofers
    Ascendant Audio Avalanche 15 Driver- SOLD SOLD SOLD Up for sale is my AVA 15 subwoofer driver which is in exellent condition both physically and functionally. If you are aware of the legend behind the XBL^2 driver offerings from Ascendant Audio then you know that this is a quality unit that was...
  18. Classifieds - Speakers and Subwoofers
    I have a Ascendant Audio Avalance 18 in excellent condition. I will eventually include photos but it is currently housed in approximately 6 cubic ft. enclosure built with 3/4" MDF (with the baffle being 1.5" thick and I believe even the back is 1.5" thick and with ample bracing). The eclosure...
  19. DIY Subwoofers - General Discussion
    Hi everyone. First time posting here. This is my second DIY sub but first time trying a ported design so I could use some of your expertise. The sub is going to be 7 cubic feet tuned to around 19hz. It will have dual 4" precision ports 23" long and will use an Avalanche 15 driver. I am making...
  20. DIY Subwoofers - General Discussion
    I recently moved up to a Mal-X for my sub and will soon have an Avalanche 15 available. I am the original owner of this driver which I had personally picked up from Chad Kuypers of Ascendant Audio (now known as Epic Subwoofers). This dirver is in exellent cosmetic and functional condition...
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