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Showing Visitor Messages 1 to 9 of 9
  1. Kan Kaban
    22nd January 2014 - permalink
    Kan Kaban
    Hi Mr. Boggy. Remember the the crazy bamboo binary panel idea?. Well, we┬┤re looking forward to hire some interested engineer / mind to develop & model it. Would you be interested?. Thanks for your time. KK.
  2. Sophic
    10th October 2013 - permalink
    Hi Boggy, would like to thank you for your response to my earlier thread and I was curious if you would be willing to point in the direction of some more information regarding this post you directed me to. Perhaps some examples of real-world application or a little more in depth explanation. Essentially I am looking at constructing a wall-like structure on either side designed to alleviate low-end energy, but because it is porous absorption and the space is limited I wont be seeing very high coefficients, but it may be enough to make a dent in lowering the peak/null ratio correct?

    Thanks again for giving me some time out of your day.
  3. Areft
    20th May 2013 - permalink
    Hi Boggy,
    I'm trying to find the best kind of diffusers for my room. Can you just take a look at this page and direct me?
  4. boggy
    21st March 2013 - permalink
    Hi Sebastian,
    a) 1-
    Yes, but not much and this is not a point. Point is bringing back slightly diffused reflections to the listener in the room.
    Vibration is main problem with thin slats. I don't see the problem why we shall not use slats thicker than one inch
  5. boggy
    21st March 2013 - permalink
    If I understand well your question:
    I don't use dividers (fins) because they additionally complicate, already non simple design... hope I helps. If you find that I doesn't understand your question, please explain it more...
    LF absorption of panels behind is already existing whatever we do with sealing box behind air transparent QRD diffuser. Forming sealed box with absorber material behind air transparent diffuser may drift absorption to the lower frequencies, but this is already dependent of particular situation and design, no easy answer here.

    You're welcome!
    Visitor messages are limited to only 1000 characters so please use public forum or pm for communication, thanks!

  6. Sebastian Vera
    21st March 2013 - permalink
    Sebastian Vera
    Hi boggy!, ive been looking those pics awsome work of myroom acoustics! Congrats!

    im intrested in the mls used for slats over a broad band absorber...and the "finless gaped qrd" shown on the pdf that you posted.
    I would like to ask some questions if Im allowed!

    a) msl questions
    1- if the panel is not air tight, would the slats affect the LF absorption to some degree?
    why or why not?

    2- slats thickness, is there a range to go with? ex. say less than 3mm is too thin, and more than an inch is too much?

    b) qrd difusor absorber questions

    3- the gap between wells in the qrd are fixed, and may them be calculated as if I were using dividers?

    4- this qrd must be sealed in order to work in the LF range? as a kind of slotted panel? or LF absorption is achived by other method?

    thankyou very much for your time and for sharing what you know =)
  7. boggy
    2nd August 2012 - permalink
    can I use any dimension for the slats? I mean if they are all 3 or 4 or 5 cm it's the same?
    can I use your sequence starting randomly on the list?
    I suppose the thickness of the slats it's not important, I'm I wrong?
    It is important but not much.
    the slats which are consecutive are touching each other?
    It is your choice... 3-5mm gap is ok.
    thanks a lot and sorry to bother you.
    You're welcome!

  8. PaulRain
    2nd August 2012 - permalink
    hello Boggy, sorry to bother you but I just read this post from you:
    I'm planning to make a couple of big panels 120x240 to put in my room and use something like that to reflect a little bit of High Frequencies..... I was going to use the 534435453534435 sequence I found on GS but your looks more interestin because, if I understood right I can use the same dimension for the slats...
    I have few questions:
    can I use any dimension for the slats? I mean if they are all 3 or 4 or 5 cm it's the same?
    can I use your sequence starting randomly on the list?
    I suppose the thickness of the slats it's not important, I'm I wrong?
    the slats which are consecutive are touching each other?
    thanks a lot and sorry to bother you.
  9. spliff_enz
    10th July 2012 - permalink
    Hello! I will be very grateful if you could take the time to have a look at this thread and leave your thoughts.


About Me

  • About boggy
    El. Engineer, Acoustician
    Career highlights
    Professional audio design
    Studio acoustics design
    Loudspeaker design
    P. Newell
    S. Linkwitz
    B. Putzeys
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    Facebook: @MyRoomAcoustics
    Email: boggy@myroom-acoustics.com
    --"We can never see past the choices we don't understand." (Oracle, The Matrix Reloaded)


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