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DIY Flat Panel Speaker Love

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  • Brewster56
    replied
    Originally posted by Zene View Post
    Unb ... now you're talking my language moving off the beaten path. Can't wait for results and pics. My 4 way is moving slowly (very). Oddly is almost opposite; cone bass, DML upper bass, DML mid and BMR tweeter.


    Zene, What BMR tweeter are you planning on using? Will you be running it full range or cross it over at what frequency? I am running 19 x 32" x 1 EXP 150 from 300 hz and up, with ob cone bass below 300. I want some direct sound (a little more presence) and better highs, without needing so much EQ, from another driver - thinking a BMR would blend well.Thanks.

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  • Brewster56
    replied
    Thanks for the EPS supplier link, Unbiased. I talked with a foam manufacturer who has Type IV EPS 1.8 lbs/cubic foot, which is equivalent to the 30 grams/liter for the ultra dense on the UK website. This manufacturer also makes Type XV which is 3 lbs/cubic foot. Do you think that even the higher density as that would be better still? I am going to make a hot wire cutter to make whatever thickness I need. I also asked him about aged EPS, which is used on EIFS stucco. It is aged for 6 weeks, so it can finish outgassing, to minimize shrinking. This would likely be best to do with our DML's before sealing them.

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  • Unbiasedsound
    replied
    Originally posted by a4eaudio View Post

    Based on some other comments in other threads, it seems if you try to edit your post twice it thinks it is Spam and basically disappears. (I don't know if you tried editing it, but that is one possibility.)

    Ah I see, yea I did edit my post twice so that's probably what happened, thanks a4eaudio....At first I thought someone was flagging my post intentionally but I see my post (1179) that was deleted back up again.

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  • a4eaudio
    replied
    Originally posted by Unbiasedsound View Post
    WTF??? I hope that was an error as it said my post was marked and flagged as spam? If so I wont be giving out advice on this subject/topic.
    Based on some other comments in other threads, it seems if you try to edit your post twice it thinks it is Spam and basically disappears. (I don't know if you tried editing it, but that is one possibility.)

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  • bradley.s
    replied
    Has anyone tried to build a DML subwoofer with the bass shaker? https://www.parts-express.com/dayton...watts--295-244

    Probably have to do it like a down firing subwoofer.

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  • Unbiasedsound
    replied
    WTF??? I hope that was an error as it said my post was marked and flagged as spam? If so I wont be giving out advice on this subject/topic.

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  • Unbiasedsound
    replied
    Best size and thickness is what ever you want it to be.
    Last edited by Unbiasedsound; 07-24-2019, 09:37 AM.

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  • jeremyb
    replied
    Ahhhhh cool, thanks for that, might have to revise my plans!!

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  • Unbiasedsound
    replied
    That particular exciter would be more then sufficient.....The problem with that small of a panel size is that it wont have much bass response....Panels need to be at least 16inchs minimum before any real bass frequencies can be heard and more preferable in the 2ft. size.

    The only down fall to full range DML panels is that it needs to be large enough to produce the lower end frequencies......The only other way is to use very small panels with a separate sub woofer to fill in the low end.

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  • jeremyb
    replied
    Hi all, complete newbie here, I've got a couple of DAEX32EP-4 thrusters coming that I want to make into a pair of bookshelf style speakers, would a 12" X 12" panel be sufficient for an exciter like this?

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  • Zene
    replied
    Glad they have small qty's, thanks!

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  • Unbiasedsound
    replied
    More specific
    Last edited by Unbiasedsound; 07-24-2019, 09:35 AM.

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  • Zene
    replied
    Unb ... mrpolystyrene.co.uk got me to page that has no inputs. No luck with ebay, either. Assume is ID10T error. Will you help once more?

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  • Zene
    replied
    Thanks much Unb.

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  • Unbiasedsound
    replied
    I get mine from the store.
    Last edited by Unbiasedsound; 07-24-2019, 09:35 AM.

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