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  1. Ported Subwoofer Build Projects
    anyone know what use 'transmission line' model for port simulation setting in advanced in winISD means? i notice i get a way different response with my 3 cu ft single 16x7cm square port 15 in sub box (basically a tl606 design from an old gallien kreuger cab i dont use) with it checked i get 3db...
  2. DIY Speakers
    Hello, i am looking for a fullrange transmission (because i made the best experiences with the bass of TLs) line loudspeaker. It should not be bigger than 13x30x30cm (WidthxHeightxDepth). Any speaker you could recommend me? Thanks!
  3. DIY Subwoofers - General Discussion
    So, pursuant to my quest to design a loud sub to cover the 8-32 Hz octaves, I started looking at LLT sonotube subs, and also transmission lines, when I had this idea... would it be possible to build a folded transmission line using concentric sonotubes of different diameters, such that after the...
  4. Home Audio Speakers
    Hi all, Anyone own or heard TA's M1i in action? Thought of getting a pair, its not cheap , so need any kind soul to share his experience. Cheers... Amos:dontknow:
  5. DIY Audio
    Hi folks. I'm keen to build a pair of transmission line speakers and this is the first time I've seriously looked at the science behind cabinet design - it's pretty mind boggling stuff! I have got as far as choosing a woofer and tweeter, have used the T/S parameters to come up with the length...
  6. REW Forum
    I am using REW and an FBQ2496. I transmit filters via midi and every filter has to then be manually adjusted because they are usually off by several digits... (only the frequencies). Does anyone have any idea why I am experiencing this?
  7. Home Audio Acoustics
    Hello, I'm posting to ask if anything can be done to address SBIR for my transmission line setup pictured here: As you can see the speakers are placed very close to the rear wall, and there isn't space to move from farther off the wall. I know some people say SBIR isn't an issue for the...
  8. DIY Subwoofers - General Discussion
    After trying many different designs, I have found that my ears prefer a Transmission Line enclosure. I have done TL's the easy way taking only into account the VAS, FS and sd of the driver but I have left out the QTS when calculating my TL's. sd of driver to figure out line diameter: 1/4 wave...
  9. DIY Speakers
    Hi All. This is what I have been playing with for the last week. Box is from this set of plans, http://www.parts-express.com/projectshowcase/indexn.cfm?project=db61TL but the drivers are from a pair of StudioLab bookshelf speakers I had kicking around. My wife with the golden ears (whom I...
  10. DIY Subwoofers - General Discussion
    I have not seen any one attempt a transmission line build on these XBR2 subs, anyone have any thoughts on how well this box type will sound. I really like the sound of infinite baffled subs, it is very clear and non resonant, and the only box that is non-resonant in my experience is a...
  11. DIY Speakers
    I've got four Dayton RS 100-4's. I want to use them in a pair of bipole/dipole transmission lines tuned to 80hz. Im also going to attempt to laminate plywood to achieve a curved line. I have some questions: Can two drivers occupy the same t-line? Should they be wired bipole, dipole, or...
  12. Home Theater Receivers | Processors | Amps
    I usually lurk about in the DIY speakers area, but I have a question about video transmission. We have Direct TV HD service, with two receivers. One is in the family room. My wife hangs out in the kitchen doing kitchen things a lot, and looks into the family room to watch tv while thus...
  13. DIY Speakers
    Has anyone seen or heard of a Natalie P design in a transmission line enclosure? I'm ordering the RS180's today. They are on sale at PE for $35 with free shipping right now. I'll start breaking them in while I get to work on saving for the rest of the parts. I would really like to place...
  14. DIY Subwoofers - General Discussion
    Hi Guys, I'm kind of new to the DIY speaker scene, I've built "The Golden Boys" from PE, and 5 Bargain aluminum MTM's 3 of whish are currently the front speakers for my soon to be 5.1 HT, they produce decent bass already, but I'm ready to build a sub for my 10' by 12' room. I already have a...
  15. DIY Subwoofers - General Discussion
    Hi, new member here I've decided to build a transmission line box, I've read all the web sties on 1/4 wave length and found a good calculator. Maybe some one with more experience can help me. I have all the driver data at hand. Fs : 66.5hz qts: .411 qte: .425 qms: 12.336 qtp: .411 Sd...
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